DETERMINING SHORT BETWEEN CIRCUITS LOCATION (HS-CAN) [SKYACTIV-D 2.2 (ATX) (L.H.D.)]

• When disconnecting the connector, verify that there is no looseness, damage, deformation, corrosion, or poor connection of the connector terminals.

• When inspecting the DLC-2, touch it with a paper clip or similar thin pin without directly inserting a tester into the terminals.

• Disconnect the negative battery cable before performing any work that requires handling of connectors.

Step	Inspection	Action
1	INSPECT BETWEEN FRONT BODY CONTROL MODULE (FBCM) AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS • Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Disconnect connector 2 which has front body control module (FBCM) terminals 2K and 2I. • Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Switch the ignition ON (engine off). • Measure the voltage at DLC-2 terminals F and E. • Is the voltage at DLC-2 terminals F and E the same?	Yes	Go to Step 6.
No	Go to the next step.
2	INSPECT BETWEEN TCM AND FRONT BODY CONTROL MODULE (FBCM) FOR SHORT BETWEEN CIRCUITS • Switch the ignition off (LOCK). • Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Inspect for continuity between TCM terminals E and F. • Is there continuity?	Yes	Go to the next step.
No	Go to Step 5.
3	INSPECT BETWEEN TCM AND CONNECTOR C-01 FOR SHORT BETWEEN CIRCUITS • Disconnect the connector C-01. • Inspect for continuity between TCM terminals E and F. • Is there continuity?	Yes	Go to the next step.
No	Repair or replace the wiring harness between the front body control module (FBCM) and connector C-01 because the wiring harness is shorted between circuits.
4	INSPECT TCM FOR SHORT BETWEEN CIRCUITS • Disconnect the TCM connector. • Inspect for continuity between TCM terminals E and F (wiring harness side). • Is there continuity?	Yes	Repair or replace the wiring harness between the TCM and connector C-01 because the wiring harness is shorted between circuits.
No	Replace the TCM because there is a short between circuits in the TCM. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [FW6A-EL].) (See CONTROL VALVE BODY REMOVAL/INSTALLATION [GW6A-EL, GW6AX-EL].)
5	INSPECT FRONT BODY CONTROL MODULE (FBCM) FOR SHORT BETWEEN CIRCUITS • Inspect for continuity between front body control module (FBCM) terminals 2K and 2I. • Is there continuity?	Yes	Replace the front body control module (FBCM) because there is a short between circuits in the front body control module (FBCM). (See FRONT BODY CONTROL MODULE (FBCM) REMOVAL/INSTALLATION.)
No	Go to Step 47.
6	INSPECT BETWEEN CONNECTORS C-43 AND C-44 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS • Switch the ignition off (LOCK). • Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Disconnect connectors C-43 and C-44. • Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Switch the ignition ON (engine off). • Measure the voltage at DLC-2 terminals F and E. • Is the voltage at DLC-2 terminals F and E the same?	Yes	Go to Step 9.
No	Go to the next step.
7	INSPECT BETWEEN ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE / AUTO LEVELING CONTROL MODULE AND ONNECTORS C-43 AND C-44 FOR SHORT BETWEEN CIRCUITS • Switch the ignition off (LOCK). • Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Inspect for continuity between adaptive front lighting system (AFS) control module / auto leveling control module terminals AB and AD. • Is there continuity?	Yes	Go to the next step.
No	Repair or replace the wiring harness between front body control module (FBCM) and connectors C-43 and C-44 because the wiring harness is shorted between circuits.
8	INSPECT ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE / AUTO LEVELING CONTROL MODULE FOR SHORT BETWEEN CIRCUITS • Disconnect the adaptive front lighting system (AFS) control module / auto leveling control module connector. • Inspect for continuity between adaptive front lighting system (AFS) control module / auto leveling control module terminals AB and AD (wiring harness side). • Is there continuity?	Yes	Repair or replace the wiring harness between the adaptive front lighting system (AFS) control module / auto leveling control module and connectors C-43 and C-44 because the wiring harness is shorted between circuits.
No	Replace the adaptive front lighting system (AFS) control module / auto leveling control module because there is a short between circuits in the adaptive front lighting system (AFS) control module / auto leveling control module. (See ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE REMOVAL/INSTALLATION.) (See AUTO LEVELING CONTROL MODULE REMOVAL/INSTALLATION.)
9	INSPECT BETWEEN CONNECTOR C-04 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS • Switch the ignition off (LOCK). • Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Disconnect connector C-04. • Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Switch the ignition ON (engine off). • Measure the voltage at DLC-2 terminals F and E. • Is the voltage at DLC-2 terminals F and E the same?	Yes	• Go to the next step. (4WD) • Go to Step 15. (2WD)
No	Repair or replace the wiring harness between connectors C-43 and C-44 and connector C-04 because the wiring harness is shorted between circuits.
10	INSPECT BETWEEN CONNECTORS C-60 AND C-59 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS • Switch the ignition off (LOCK). • Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Disconnect connectors C-60 and C-59. • Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Switch the ignition ON (engine off). • Measure the voltage at DLC-2 terminals F and E. • Is the voltage at DLC-2 terminals F and E the same?	Yes	• Go to Step 20. (with position memory system) • Go to Step 15. (without position memory system)
No	Go to the next step.
11	INSPECT BETWEEN DC-DC CONVERTER (i-ELOOP) AND CONNECTORS C-60 AND C-59 FOR SHORT BETWEEN CIRCUITS • Switch the ignition off (LOCK). • Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Inspect for continuity between DC-DC converter (i-ELOOP) terminals 1A and 1C. • Is there continuity?	Yes	Go to the next step.
No	Go to Step 13.
12	INSPECT DC-DC CONVERTER (i-ELOOP) FOR SHORT BETWEEN CIRCUITS • Disconnect the DC-DC converter (i-ELOOP) connector. • Inspect for continuity between DC-DC converter (i-ELOOP) terminals 1A and 1C (wiring harness side). • Is there continuity?	Yes	Repair or replace the wiring harness between the DC-DC converter (i-ELOOP) and connectors C-60 and C-59 because the wiring harness is shorted between circuits.
No	Replace the DC-DC converter (i-ELOOP) because there is a short between circuits in the DC-DC converter (i-ELOOP). (See DC-DC CONVERTER (i-ELOOP) REMOVAL/INSTALLATION [i-ELOOP].)
13	INSPECT 4WD CONTROL MODULE AND CONNECTORS C-60 AND C-59 FOR SHORT BETWEEN CIRCUITS • Inspect for continuity between 4WD control module terminals G and H. • Is there continuity?	Yes	Go to the next step.
No	Repair or replace the wiring harness between connector C-04 and connectors C-60 and C-59 because the wiring harness is shorted between circuits.
14	INSPECT 4WD CONTROL MODULE FOR SHORT BETWEEN CIRCUITS • Disconnect the 4WD control module connector. • Inspect for continuity between 4WD control module terminals G and H (wiring harness side). • Is there continuity?	Yes	Repair or replace the wiring harness between the 4WD control module and connectors C-60 and C-59 because the wiring harness is shorted between circuits.
No	Replace the 4WD control module because there is a short between circuits in the 4WD control module. (See 4WD CONTROL MODULE REMOVAL/INSTALLATION.)
15	INSPECT BETWEEN CONNECTORS C-49 AND C-50 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS • Switch the ignition off (LOCK). • Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Disconnect connectors C-49 and C-50. • Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Switch the ignition ON (engine off). • Measure the voltage at DLC-2 terminals F and E. • Is the voltage at DLC-2 terminals F and E the same?	Yes	• Go to Step 20. (with position memory system) • Go to Step 26. (without position memory system)
No	• Go to Step 18. (4WD) • Go to the next step. (2WD)
16	INSPECT BETWEEN DC-DC CONVERTER (i-ELOOP) AND CONNECTORS C-49 AND C-50 FOR SHORT BETWEEN CIRCUITS • Switch the ignition off (LOCK). • Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Inspect for continuity between DC-DC converter (i-ELOOP) terminals 1A and 1C. • Is there continuity?	Yes	Go to the next step.
No	• Repair or replace the wiring harness between connector C-04 and connectors C-49 and C-50 because the wiring harness is shorted between circuits. (with position memory system) • Go to Step 18. (without position memory system)
17	INSPECT DC-DC CONVERTER (i-ELOOP) FOR SHORT BETWEEN CIRCUITS • Disconnect the DC-DC converter (i-ELOOP) connector. • Inspect for continuity between DC-DC converter (i-ELOOP) terminals 1A and 1C (wiring harness side). • Is there continuity?	Yes	Repair or replace the wiring harness between the DC-DC converter (i-ELOOP) and connectors C-49 and C-50 because the wiring harness is shorted between circuits.
No	Replace the DC-DC converter (i-ELOOP) because there is a short between circuits in the DC-DC converter (i-ELOOP). (See DC-DC CONVERTER (i-ELOOP) REMOVAL/INSTALLATION [i-ELOOP].)
18	INSPECT BETWEEN ELECTRIC PARKING BRAKE CONTROL MODULE AND CONNECTORS C-49 AND C-50 FOR SHORT BETWEEN CIRCUITS • Switch the ignition off (LOCK). • Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Inspect for continuity between electric parking brake control module terminals AD and AB. • Is there continuity?	Yes	Go to the next step.
No	• Repair or replace the wiring harness between connectors C-60 and C-59 and connectors C-49 and C-50 because the wiring harness is shorted between circuits. (4WD) • Repair or replace the wiring harness between connector C-04 and connectors C-49 and C-50 because the wiring harness is shorted between circuits. (2WD)
19	INSPECT ELECTRIC PARKING BRAKE CONTROL MODULE FOR SHORT BETWEEN CIRCUITS • Disconnect the electric parking brake control module connector. • Inspect for continuity between electric parking brake control module terminals AD and AB (wiring harness side). • Is there continuity?	Yes	Repair or replace the wiring harness between the electric parking brake control module and connectors C-49 and C-50 because the wiring harness is shorted between circuits.
No	Replace the electric parking brake control module because there is a short between circuits in the electric parking brake control module. (See ELECTRIC PARKING BRAKE CONTROL MODULE REMOVAL/INSTALLATION.)
20	INSPECT BETWEEN CONNECTORS C-51 AND C-52 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS • Switch the ignition off (LOCK). • Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Disconnect connectors C-51 and C-52. • Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Switch the ignition ON (engine off). • Measure the voltage at DLC-2 terminals F and E. • Is the voltage at DLC-2 terminals F and E the same?	Yes	Go to Step 26.
No	Go to the next step.
21	INSPECT BETWEEN POSITION MEMORY CONTROL MODULE AND CONNECTORS C-51 AND C-52 FOR SHORT BETWEEN CIRCUITS • Switch the ignition off (LOCK). • Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Inspect for continuity between position memory control module terminals 1C and 1E. • Is there continuity?	Yes	Go to the next step.
No	Go to Step 24.
22	INSPECT BETWEEN CONNECTORS C-51 AND C-52 AND CONNECTOR C-19 FOR SHORT BETWEEN CIRCUITS • Disconnect connector C-19. • Inspect for continuity between position memory control module terminals 1C and 1E. • Is there continuity?	Yes	Go to the next step.
No	Repair or replace the wiring harness between connectors C-51 and C-52 and connector C-19 because the wiring harness is shorted between circuits.
23	INSPECT POSITION MEMORY CONTROL MODULE FOR SHORT BETWEEN CIRCUITS • Disconnect the position memory control module connector. • Inspect for continuity between position memory control module terminals 1C and 1E (wiring harness side). • Is there continuity?	Yes	Repair or replace the wiring harness between the position memory control module and connector C-19 because the wiring harness is shorted between circuits.
No	Replace the position memory control module because there is a short between circuits in the position memory control module. (See POSITION MEMORY CONTROL MODULE REMOVAL/INSTALLATION.)
24	INSPECT BETWEEN ELECTRIC PARKING BRAKE CONTROL MODULE AND CONNECTORS C-51 AND C-52 FOR SHORT BETWEEN CIRCUITS • Switch the ignition off (LOCK). • Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Inspect for continuity between electric parking brake control module terminals AD and AB. • Is there continuity?	Yes	Go to the next step.
No	• Repair or replace the wiring harness between connectors C-60 and C-59 and connectors C-51 and C-52 because the wiring harness is shorted between circuits. (4WD) • Repair or replace the wiring harness between connectors C-49 and C-50 and connectors C-51 and C-52 because the wiring harness is shorted between circuits. (2WD)
25	INSPECT ELECTRIC PARKING BRAKE CONTROL MODULE FOR SHORT BETWEEN CIRCUITS • Disconnect the electric parking brake control module connector. • Inspect for continuity between electric parking brake control module terminals AD and AB (wiring harness side). • Is there continuity?	Yes	Repair or replace the wiring harness between the electric parking brake control module and connectors C-51 and C-52 because the wiring harness is shorted between circuits.
No	Replace the electric parking brake control module because there is a short between circuits in the electric parking brake control module. (See ELECTRIC PARKING BRAKE CONTROL MODULE REMOVAL/INSTALLATION.)
26	INSPECT BETWEEN CONNECTORS C-58 AND C-57 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS • Switch the ignition off (LOCK). • Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Disconnect connectors C-58 and C-57. • Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Switch the ignition ON (engine off). • Measure the voltage at DLC-2 terminals F and E. • Is the voltage at DLC-2 terminals F and E the same?	Yes	Go to Step 29.
No	Go to the next step.
27	INSPECT BETWEEN AUDIO AMPLIFIER AND CONNECTORS C-58 AND C-57 FOR SHORT BETWEEN CIRCUITS • Switch the ignition off (LOCK). • Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Inspect for continuity between audio amplifier terminals 2L and 2N. • Is there continuity?	Yes	Go to the next step.
No	• Repair or replace the wiring harness between connectors C-51 and C-52 and connectors C-58 and C-57 because the wiring harness is shorted between circuits. (with position memory system) • Repair or replace the wiring harness between connectors C-49 and C-50 and connectors C-58 and C-57 because the wiring harness is shorted between circuits. (without position memory system)
28	INSPECT AUDIO AMPLIFIER FOR SHORT BETWEEN CIRCUITS • Disconnect the audio amplifier connector. • Inspect for continuity between audio amplifier terminals 2L and 2N (wiring harness side). • Is there continuity?	Yes	Repair or replace the wiring harness between the audio amplifier and connectors C-58 and C-57 because the wiring harness is shorted between circuits.
No	Replace the audio amplifier because there is a short between circuits in the audio amplifier. (See AUDIO AMPLIFIER REMOVAL/INSTALLATION.)
29	INSPECT BETWEEN CONNECTOR C-10 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS • Switch the ignition off (LOCK). • Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Disconnect connector C-10. • Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Switch the ignition ON (engine off). • Measure the voltage at DLC-2 terminals F and E. • Is the voltage at DLC-2 terminals F and E the same?	Yes	Go to the next step.
No	Repair or replace the wiring harness between connectors C-58 and C-57 and connector C-10 because the wiring harness is shorted between circuits.
30	INSPECT BETWEEN CONNECTOR C-10 AND CONNECTOR C-11 FOR SHORT BETWEEN CIRCUITS • Switch the ignition off (LOCK). • Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Disconnect connector C-11. • Connect connector C-10. • Connect connectors C-58 and C-57. • Connect connectors C-51 and C-52. • Connect connectors C-49 and C-50. • Connect connectors C-60 and C-59. • Connect connector C-04. • Connect connectors C-43 and C-44. • Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Switch the ignition ON (engine off). • Measure the voltage at front body control module (FBCM) terminals 2K and 2I (wiring harness side). • Is the voltage at front body control module (FBCM) terminals 2K and 2I (wiring harness side) the same?	Yes	Repair or replace the wiring harness between connector C-10 and connector C-11 because the wiring harness is shorted between circuits.
No	Go to the next step.
31	INSPECT BETWEEN CONNECTOR C-11 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS • Measure the voltage at DLC-2 terminals F and E. • Is the voltage at DLC-2 terminals F and E the same?	Yes	Go to Step 33.
No	Go to the next step.
32	INSPECT FORWARD SENSING CAMERA (FSC) FOR SHORT BETWEEN CIRCUITS • Switch the ignition off (LOCK). • Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Disconnect the forward sensing camera (FSC) connector. • Inspect for continuity between forward sensing camera (FSC) terminals M and N (wiring harness side). • Is there continuity?	Yes	Repair or replace the wiring harness between the forward sensing camera (FSC) and connector C-11 because the wiring harness is shorted between circuits.
No	Replace the forward sensing camera (FSC) because there is a short between circuits in the forward sensing camera (FSC). (See FORWARD SENSING CAMERA (FSC) REMOVAL/INSTALLATION.)
33	INSPECT BETWEEN CONNECTOR C-11 AND CONNECTOR C-34 FOR SHORT BETWEEN CIRCUITS • Switch the ignition off (LOCK). • Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Disconnect connector C-34. • Connect connector C-11. • Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Switch the ignition ON (engine off). • Measure the voltage at front body control module (FBCM) terminals 2K and 2I (wiring harness side). • Is the voltage at front body control module (FBCM) terminals 2K and 2I (wiring harness side) the same?	Yes	Repair or replace the wiring harness between connector C-11 and connector C-34 because the wiring harness is shorted between circuits.
No	Go to the next step.
34	INSPECT BETWEEN DLC-2 AND CONNECTOR C-34 FOR SHORT BETWEEN CIRCUITS • Switch the ignition off (LOCK). • Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Inspect for continuity between DLC-2 terminals F and E. • Is there continuity?	Yes	Repair or replace the wiring harness between DLC-2 and connector C-34 because the wiring harness is shorted between circuits.
No	Go to the next step.
35	INSPECT BETWEEN EPS CONTROL MODULE AND CONNECTOR C-34 FOR SHORT BETWEEN CIRCUITS • Inspect for continuity between EPS control module terminals 2A and 2D. (connector 8-pin type) • Inspect for continuity between EPS control module terminals 2B and 2D. (connector 4-pin type) • Is there continuity?	Yes	Go to the next step.
No	Go to Step 37.
36	INSPECT EPS CONTROL MODULE FOR SHORT BETWEEN CIRCUITS • Disconnect the EPS control module connector. • Inspect for continuity between EPS control module terminals 2A and 2D (wiring harness side) (connector 8-pin type) • Inspect for continuity between EPS control module terminals 2B and 2D (wiring harness side) (connector 4-pin type) • Is there continuity?	Yes	Repair or replace the wiring harness between the EPS control module and connector C-34 because the wiring harness is shorted between circuits.
No	Replace the EPS control module because there is a short between circuits in the EPS control module. (See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION.)
37	INSPECT BETWEEN MAZDA ERA-GLONASS CONTROL MODULE AND CONNECTOR C-34 FOR SHORT BETWEEN CIRCUITS • Inspect for continuity between MAZDA ERA-GLONASS control module terminals 1Q and 1S. • Is there continuity?	Yes	Go to the next step.
No	Go to Step 39.
38	INSPECT MAZDA ERA-GLONASS CONTROL MODULE FOR SHORT BETWEEN CIRCUITS • Disconnect the MAZDA ERA-GLONASS control module connector. • Inspect for continuity between MAZDA ERA-GLONASS control module terminals 1Q and 1S (wiring harness side) • Is there continuity?	Yes	Repair or replace the wiring harness between the MAZDA ERA-GLONASS control module and connector C-34 because the wiring harness is shorted between circuits.
No	Replace the MAZDA ERA-GLONASS control module because there is a short between circuits in the MAZDA ERA-GLONASS control module. (See MAZDA ERA-GLONASS CONTROL MODULE REMOVAL/INSTALLATION.)
39	INSPECT BETWEEN CONNECTOR C-34 AND CONNECTOR C-35 FOR SHORT BETWEEN CIRCUITS • Disconnect connector C-35. • Connect connector C-34. • Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Switch the ignition ON (engine off). • Measure the voltage at DLC-2 terminals F and E. • Is the voltage at DLC-2 terminals F and E the same?	Yes	Repair or replace the wiring harness between connector C-34 and connector C-35 because the wiring harness is shorted between circuits.
No	Go to the next step.
40	INSPECT BETWEEN START STOP UNIT AND CONNECTOR C-35 FOR SHORT BETWEEN CIRCUITS • Switch the ignition off (LOCK). • Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Inspect for continuity between start stop unit terminals 2M and 2O. • Is there continuity?	Yes	Go to the next step.
No	Go to Step 42.
41	INSPECT START STOP UNIT FOR SHORT BETWEEN CIRCUITS • Disconnect the start stop unit connector. • Inspect for continuity between start stop unit terminals 2M and 2O (wiring harness side) • Is there continuity?	Yes	Repair or replace the wiring harness between the start stop unit and connector C-35 because the wiring harness is shorted between circuits.
No	Replace the start stop unit because there is a short between circuits in the start stop unit. (See START STOP UNIT REMOVAL/INSTALLATION.)
42	INSPECT BETWEEN CONNECTIVITY MASTER UNIT (CMU) AND CONNECTOR C-35 FOR SHORT BETWEEN CIRCUITS • Inspect for continuity between connectivity master unit (CMU) terminals 2E and 2F. • Is there continuity?	Yes	Go to the next step.
No	Go to Step 44.
43	INSPECT CONNECTIVITY MASTER UNIT (CMU) FOR SHORT BETWEEN CIRCUITS • Disconnect the connectivity master unit (CMU) connector. • Inspect for continuity between connectivity master unit (CMU) terminals 2E and 2F (wiring harness side) • Is there continuity?	Yes	Repair or replace the wiring harness between the connectivity master unit (CMU) and connector C-35 because the wiring harness is shorted between circuits.
No	Replace the connectivity master unit (CMU) because there is a short between circuits in the connectivity master unit (CMU). (See CONNECTIVITY MASTER UNIT (CMU) REMOVAL/INSTALLATION.)
44	INSPECT BETWEEN SAS CONTROL MODULE AND CONNECTOR C-35 FOR SHORT BETWEEN CIRCUITS • Inspect for continuity between SAS control module terminals 3B and 3C. • Is there continuity?	Yes	Go to the next step.
No	Go to Step 46.
45	INSPECT SAS CONTROL MODULE FOR SHORT BETWEEN CIRCUITS • Disconnect the SAS control module connector. • Inspect for continuity between SAS control module terminals 3B and 3C (wiring harness side) • Is there continuity?	Yes	Repair or replace the wiring harness between the SAS control module and connector C-35 because the wiring harness is shorted between circuits.
No	Replace the SAS control module because there is a short between circuits in the SAS control module. (See SAS CONTROL MODULE REMOVAL/INSTALLATION.)
46	INSPECT CAN LINE IN INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS • Disconnect the instrument cluster connector. • Inspect for continuity between instrument cluster terminals B and D (wiring harness side) • Is there continuity?	Yes	Repair or replace the wiring harness between the instrument cluster and connector C-35 because the wiring harness is shorted between circuits.
No	Replace the instrument cluster because there is a short between circuits in the instrument cluster. (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)
47	INSPECT BETWEEN CONNECTOR C-32 AND FRONT BODY CONTROL MODULE (FBCM) FOR SHORT BETWEEN CIRCUITS • Connect connector 2 which has front body control module (FBCM) terminals 2K and 2I. • Disconnect connector C-32. • Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Switch the ignition ON (engine off). • Measure the voltage at DLC-2 terminals F and E. • Is the voltage at DLC-2 terminals F and E the same?	Yes	Repair or replace the wiring harness between connector C-32 and the front body control module (FBCM) because the wiring harness is shorted between circuits.
No	Go to the next step.
48	INSPECT BETWEEN DSC HU/CM AND CONNECTOR C-32 FOR SHORT BETWEEN CIRCUITS • Switch the ignition off (LOCK). • Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Inspect for continuity between DSC HU/CM terminals E and D. • Is there continuity?	Yes	Go to the next step.
No	Go to Step 50.
49	INSPECT DSC HU/CM FOR SHORT BETWEEN CIRCUITS • Disconnect the DSC HU/CM connector. • Inspect for continuity between DSC HU/CM terminals E and D (wiring harness side). • Is there continuity?	Yes	Repair or replace the wiring harness between the DSC HU/CM and connector C-32 because the wiring harness is shorted between circuits.
No	Replace the DSC HU/CM because there is a short between circuits in the DSC HU/CM. (See DSC HU/CM REMOVAL/INSTALLATION.)
50	INSPECT BETWEEN RADAR UNIT AND CONNECTOR C-32 FOR SHORT BETWEEN CIRCUITS • Inspect for continuity between radar unit terminals D and C. • Is there continuity?	Yes	Go to the next step.
No	Go to Step 52.
51	INSPECT RADAR UNIT FOR SHORT BETWEEN CIRCUITS • Disconnect the radar unit connector. • Inspect for continuity between radar unit terminals D and C (wiring harness side). • Is there continuity?	Yes	Repair or replace the wiring harness between the radar unit and connector C-32 because the wiring harness is shorted between circuits.
No	Replace the radar unit because there is a short between circuits in the radar unit. (See RADAR UNIT REMOVAL/INSTALLATION.)
52	INSPECT PCM FOR SHORT BETWEEN CIRCUITS • Disconnect the PCM connector. • Inspect for continuity between PCM terminals 2AK and 2AL (wiring harness side). • Is there continuity?	Yes	Repair or replace the wiring harness between the PCM and connector C-32 because the wiring harness is shorted between circuits.
No	Replace the PCM because there is a short between circuits in the PCM. (See PCM REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)

Step

Inspection

Action

INSPECT BETWEEN FRONT BODY CONTROL MODULE (FBCM) AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS

• Disconnect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Disconnect connector 2 which has front body control module (FBCM) terminals 2K and 2I.

• Connect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Switch the ignition ON (engine off).

• Measure the voltage at DLC-2 terminals F and E.

• Is the voltage at DLC-2 terminals F and E the same?

Yes

Go to Step 6.

Go to the next step.

INSPECT BETWEEN TCM AND FRONT BODY CONTROL MODULE (FBCM) FOR SHORT BETWEEN CIRCUITS

• Switch the ignition off (LOCK).

• Disconnect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Inspect for continuity between TCM terminals E and F.

• Is there continuity?

Yes

Go to the next step.

Go to Step 5.

INSPECT BETWEEN TCM AND CONNECTOR C-01 FOR SHORT BETWEEN CIRCUITS

• Disconnect the connector C-01.

• Inspect for continuity between TCM terminals E and F.

• Is there continuity?

Yes

Go to the next step.

Repair or replace the wiring harness between the front body control module (FBCM) and connector C-01 because the wiring harness is shorted between circuits.

INSPECT TCM FOR SHORT BETWEEN CIRCUITS

• Disconnect the TCM connector.

• Inspect for continuity between TCM terminals E and F (wiring harness side).

• Is there continuity?

Yes

Repair or replace the wiring harness between the TCM and connector C-01 because the wiring harness is shorted between circuits.

Replace the TCM because there is a short between circuits in the TCM.

(See CONTROL VALVE BODY REMOVAL/INSTALLATION [FW6A-EL].)

(See CONTROL VALVE BODY REMOVAL/INSTALLATION [GW6A-EL, GW6AX-EL].)

INSPECT FRONT BODY CONTROL MODULE (FBCM) FOR SHORT BETWEEN CIRCUITS

• Inspect for continuity between front body control module (FBCM) terminals 2K and 2I.

• Is there continuity?

Yes

Replace the front body control module (FBCM) because there is a short between circuits in the front body control module (FBCM).

(See FRONT BODY CONTROL MODULE (FBCM) REMOVAL/INSTALLATION.)

Go to Step 47.

INSPECT BETWEEN CONNECTORS C-43 AND C-44 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS

• Switch the ignition off (LOCK).

• Disconnect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Disconnect connectors C-43 and C-44.

• Connect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Switch the ignition ON (engine off).

• Measure the voltage at DLC-2 terminals F and E.

• Is the voltage at DLC-2 terminals F and E the same?

Yes

Go to Step 9.

Go to the next step.

INSPECT BETWEEN ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE / AUTO LEVELING CONTROL MODULE AND ONNECTORS C-43 AND C-44 FOR SHORT BETWEEN CIRCUITS

• Switch the ignition off (LOCK).

• Disconnect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Inspect for continuity between adaptive front lighting system (AFS) control module / auto leveling control module terminals AB and AD.

• Is there continuity?

Yes

Go to the next step.

Repair or replace the wiring harness between front body control module (FBCM) and connectors C-43 and C-44 because the wiring harness is shorted between circuits.

INSPECT ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE / AUTO LEVELING CONTROL MODULE FOR SHORT BETWEEN CIRCUITS

• Disconnect the adaptive front lighting system (AFS) control module / auto leveling control module connector.

• Inspect for continuity between adaptive front lighting system (AFS) control module / auto leveling control module terminals AB and AD (wiring harness side).

• Is there continuity?

Yes

Repair or replace the wiring harness between the adaptive front lighting system (AFS) control module / auto leveling control module and connectors C-43 and C-44 because the wiring harness is shorted between circuits.

Replace the adaptive front lighting system (AFS) control module / auto leveling control module because there is a short between circuits in the adaptive front lighting system (AFS) control module / auto leveling control module.

(See ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE REMOVAL/INSTALLATION.)

(See AUTO LEVELING CONTROL MODULE REMOVAL/INSTALLATION.)

INSPECT BETWEEN CONNECTOR C-04 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS

• Switch the ignition off (LOCK).

• Disconnect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Disconnect connector C-04.

• Connect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Switch the ignition ON (engine off).

• Measure the voltage at DLC-2 terminals F and E.

• Is the voltage at DLC-2 terminals F and E the same?

Yes

• Go to the next step. (4WD)

• Go to Step 15. (2WD)

Repair or replace the wiring harness between connectors C-43 and C-44 and connector C-04 because the wiring harness is shorted between circuits.

INSPECT BETWEEN CONNECTORS C-60 AND C-59 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS

• Switch the ignition off (LOCK).

• Disconnect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Disconnect connectors C-60 and C-59.

• Connect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Switch the ignition ON (engine off).

• Measure the voltage at DLC-2 terminals F and E.

• Is the voltage at DLC-2 terminals F and E the same?

Yes

• Go to Step 20. (with position memory system)

• Go to Step 15. (without position memory system)

Go to the next step.

INSPECT BETWEEN DC-DC CONVERTER (i-ELOOP) AND CONNECTORS C-60 AND C-59 FOR SHORT BETWEEN CIRCUITS

• Switch the ignition off (LOCK).

• Disconnect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Inspect for continuity between DC-DC converter (i-ELOOP) terminals 1A and 1C.

• Is there continuity?

Yes

Go to the next step.

Go to Step 13.

INSPECT DC-DC CONVERTER (i-ELOOP) FOR SHORT BETWEEN CIRCUITS

• Disconnect the DC-DC converter (i-ELOOP) connector.

• Inspect for continuity between DC-DC converter (i-ELOOP) terminals 1A and 1C (wiring harness side).

• Is there continuity?

Yes

Repair or replace the wiring harness between the DC-DC converter (i-ELOOP) and connectors C-60 and C-59 because the wiring harness is shorted between circuits.

Replace the DC-DC converter (i-ELOOP) because there is a short between circuits in the DC-DC converter (i-ELOOP).

(See DC-DC CONVERTER (i-ELOOP) REMOVAL/INSTALLATION [i-ELOOP].)

INSPECT 4WD CONTROL MODULE AND CONNECTORS C-60 AND C-59 FOR SHORT BETWEEN CIRCUITS

• Inspect for continuity between 4WD control module terminals G and H.

• Is there continuity?

Yes

Go to the next step.

Repair or replace the wiring harness between connector C-04 and connectors C-60 and C-59 because the wiring harness is shorted between circuits.

INSPECT 4WD CONTROL MODULE FOR SHORT BETWEEN CIRCUITS

• Disconnect the 4WD control module connector.

• Inspect for continuity between 4WD control module terminals G and H (wiring harness side).

• Is there continuity?

Yes

Repair or replace the wiring harness between the 4WD control module and connectors C-60 and C-59 because the wiring harness is shorted between circuits.

Replace the 4WD control module because there is a short between circuits in the 4WD control module.

(See 4WD CONTROL MODULE REMOVAL/INSTALLATION.)

INSPECT BETWEEN CONNECTORS C-49 AND C-50 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS

• Switch the ignition off (LOCK).

• Disconnect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Disconnect connectors C-49 and C-50.

• Connect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Switch the ignition ON (engine off).

• Measure the voltage at DLC-2 terminals F and E.

• Is the voltage at DLC-2 terminals F and E the same?

Yes

• Go to Step 20. (with position memory system)

• Go to Step 26. (without position memory system)

• Go to Step 18. (4WD)

• Go to the next step. (2WD)

INSPECT BETWEEN DC-DC CONVERTER (i-ELOOP) AND CONNECTORS C-49 AND C-50 FOR SHORT BETWEEN CIRCUITS

• Switch the ignition off (LOCK).

• Disconnect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Inspect for continuity between DC-DC converter (i-ELOOP) terminals 1A and 1C.

• Is there continuity?

Yes

Go to the next step.

• Repair or replace the wiring harness between connector C-04 and connectors C-49 and C-50 because the wiring harness is shorted between circuits. (with position memory system)

• Go to Step 18. (without position memory system)

INSPECT DC-DC CONVERTER (i-ELOOP) FOR SHORT BETWEEN CIRCUITS

• Disconnect the DC-DC converter (i-ELOOP) connector.

• Inspect for continuity between DC-DC converter (i-ELOOP) terminals 1A and 1C (wiring harness side).

• Is there continuity?

Yes

Repair or replace the wiring harness between the DC-DC converter (i-ELOOP) and connectors C-49 and C-50 because the wiring harness is shorted between circuits.

Replace the DC-DC converter (i-ELOOP) because there is a short between circuits in the DC-DC converter (i-ELOOP).

(See DC-DC CONVERTER (i-ELOOP) REMOVAL/INSTALLATION [i-ELOOP].)

INSPECT BETWEEN ELECTRIC PARKING BRAKE CONTROL MODULE AND CONNECTORS C-49 AND C-50 FOR SHORT BETWEEN CIRCUITS

• Switch the ignition off (LOCK).

• Disconnect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Inspect for continuity between electric parking brake control module terminals AD and AB.

• Is there continuity?

Yes

Go to the next step.

• Repair or replace the wiring harness between connectors C-60 and C-59 and connectors C-49 and C-50 because the wiring harness is shorted between circuits. (4WD)

• Repair or replace the wiring harness between connector C-04 and connectors C-49 and C-50 because the wiring harness is shorted between circuits. (2WD)

INSPECT ELECTRIC PARKING BRAKE CONTROL MODULE FOR SHORT BETWEEN CIRCUITS

• Disconnect the electric parking brake control module connector.

• Inspect for continuity between electric parking brake control module terminals AD and AB (wiring harness side).

• Is there continuity?

Yes

Repair or replace the wiring harness between the electric parking brake control module and connectors C-49 and C-50 because the wiring harness is shorted between circuits.

Replace the electric parking brake control module because there is a short between circuits in the electric parking brake control module.

(See ELECTRIC PARKING BRAKE CONTROL MODULE REMOVAL/INSTALLATION.)

INSPECT BETWEEN CONNECTORS C-51 AND C-52 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS

• Switch the ignition off (LOCK).

• Disconnect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Disconnect connectors C-51 and C-52.

• Connect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Switch the ignition ON (engine off).

• Measure the voltage at DLC-2 terminals F and E.

• Is the voltage at DLC-2 terminals F and E the same?

Yes

Go to Step 26.

Go to the next step.

INSPECT BETWEEN POSITION MEMORY CONTROL MODULE AND CONNECTORS C-51 AND C-52 FOR SHORT BETWEEN CIRCUITS

• Switch the ignition off (LOCK).

• Disconnect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Inspect for continuity between position memory control module terminals 1C and 1E.

• Is there continuity?

Yes

Go to the next step.

Go to Step 24.

INSPECT BETWEEN CONNECTORS C-51 AND C-52 AND CONNECTOR C-19 FOR SHORT BETWEEN CIRCUITS

• Disconnect connector C-19.

• Inspect for continuity between position memory control module terminals 1C and 1E.

• Is there continuity?

Yes

Go to the next step.

Repair or replace the wiring harness between connectors C-51 and C-52 and connector C-19 because the wiring harness is shorted between circuits.

INSPECT POSITION MEMORY CONTROL MODULE FOR SHORT BETWEEN CIRCUITS

• Disconnect the position memory control module connector.

• Inspect for continuity between position memory control module terminals 1C and 1E (wiring harness side).

• Is there continuity?

Yes

Repair or replace the wiring harness between the position memory control module and connector C-19 because the wiring harness is shorted between circuits.

Replace the position memory control module because there is a short between circuits in the position memory control module.

(See POSITION MEMORY CONTROL MODULE REMOVAL/INSTALLATION.)

INSPECT BETWEEN ELECTRIC PARKING BRAKE CONTROL MODULE AND CONNECTORS C-51 AND C-52 FOR SHORT BETWEEN CIRCUITS

• Switch the ignition off (LOCK).

• Disconnect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Inspect for continuity between electric parking brake control module terminals AD and AB.

• Is there continuity?

Yes

Go to the next step.

• Repair or replace the wiring harness between connectors C-60 and C-59 and connectors C-51 and C-52 because the wiring harness is shorted between circuits. (4WD)

• Repair or replace the wiring harness between connectors C-49 and C-50 and connectors C-51 and C-52 because the wiring harness is shorted between circuits. (2WD)

INSPECT ELECTRIC PARKING BRAKE CONTROL MODULE FOR SHORT BETWEEN CIRCUITS

• Disconnect the electric parking brake control module connector.

• Inspect for continuity between electric parking brake control module terminals AD and AB (wiring harness side).

• Is there continuity?

Yes

Repair or replace the wiring harness between the electric parking brake control module and connectors C-51 and C-52 because the wiring harness is shorted between circuits.

Replace the electric parking brake control module because there is a short between circuits in the electric parking brake control module.

(See ELECTRIC PARKING BRAKE CONTROL MODULE REMOVAL/INSTALLATION.)

INSPECT BETWEEN CONNECTORS C-58 AND C-57 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS

• Switch the ignition off (LOCK).

• Disconnect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Disconnect connectors C-58 and C-57.

• Connect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Switch the ignition ON (engine off).

• Measure the voltage at DLC-2 terminals F and E.

• Is the voltage at DLC-2 terminals F and E the same?

Yes

Go to Step 29.

Go to the next step.

INSPECT BETWEEN AUDIO AMPLIFIER AND CONNECTORS C-58 AND C-57 FOR SHORT BETWEEN CIRCUITS

• Switch the ignition off (LOCK).

• Disconnect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Inspect for continuity between audio amplifier terminals 2L and 2N.

• Is there continuity?

Yes

Go to the next step.

• Repair or replace the wiring harness between connectors C-51 and C-52 and connectors C-58 and C-57 because the wiring harness is shorted between circuits. (with position memory system)

• Repair or replace the wiring harness between connectors C-49 and C-50 and connectors C-58 and C-57 because the wiring harness is shorted between circuits. (without position memory system)

INSPECT AUDIO AMPLIFIER FOR SHORT BETWEEN CIRCUITS

• Disconnect the audio amplifier connector.

• Inspect for continuity between audio amplifier terminals 2L and 2N (wiring harness side).

• Is there continuity?

Yes

Repair or replace the wiring harness between the audio amplifier and connectors C-58 and C-57 because the wiring harness is shorted between circuits.

Replace the audio amplifier because there is a short between circuits in the audio amplifier.

(See AUDIO AMPLIFIER REMOVAL/INSTALLATION.)

INSPECT BETWEEN CONNECTOR C-10 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS

• Switch the ignition off (LOCK).

• Disconnect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Disconnect connector C-10.

• Connect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Switch the ignition ON (engine off).

• Measure the voltage at DLC-2 terminals F and E.

• Is the voltage at DLC-2 terminals F and E the same?

Yes

Go to the next step.

Repair or replace the wiring harness between connectors C-58 and C-57 and connector C-10 because the wiring harness is shorted between circuits.

INSPECT BETWEEN CONNECTOR C-10 AND CONNECTOR C-11 FOR SHORT BETWEEN CIRCUITS

• Switch the ignition off (LOCK).

• Disconnect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Disconnect connector C-11.

• Connect connector C-10.

• Connect connectors C-58 and C-57.

• Connect connectors C-51 and C-52.

• Connect connectors C-49 and C-50.

• Connect connectors C-60 and C-59.

• Connect connector C-04.

• Connect connectors C-43 and C-44.

• Connect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Switch the ignition ON (engine off).

• Measure the voltage at front body control module (FBCM) terminals 2K and 2I (wiring harness side).

• Is the voltage at front body control module (FBCM) terminals 2K and 2I (wiring harness side) the same?

Yes

Repair or replace the wiring harness between connector C-10 and connector C-11 because the wiring harness is shorted between circuits.

Go to the next step.

INSPECT BETWEEN CONNECTOR C-11 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS

• Measure the voltage at DLC-2 terminals F and E.

• Is the voltage at DLC-2 terminals F and E the same?

Yes

Go to Step 33.

Go to the next step.

INSPECT FORWARD SENSING CAMERA (FSC) FOR SHORT BETWEEN CIRCUITS

• Switch the ignition off (LOCK).

• Disconnect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Disconnect the forward sensing camera (FSC) connector.

• Inspect for continuity between forward sensing camera (FSC) terminals M and N (wiring harness side).

• Is there continuity?

Yes

Repair or replace the wiring harness between the forward sensing camera (FSC) and connector C-11 because the wiring harness is shorted between circuits.

Replace the forward sensing camera (FSC) because there is a short between circuits in the forward sensing camera (FSC).

(See FORWARD SENSING CAMERA (FSC) REMOVAL/INSTALLATION.)

INSPECT BETWEEN CONNECTOR C-11 AND CONNECTOR C-34 FOR SHORT BETWEEN CIRCUITS

• Switch the ignition off (LOCK).

• Disconnect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Disconnect connector C-34.

• Connect connector C-11.

• Connect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Switch the ignition ON (engine off).

• Measure the voltage at front body control module (FBCM) terminals 2K and 2I (wiring harness side).

• Is the voltage at front body control module (FBCM) terminals 2K and 2I (wiring harness side) the same?

Yes

Repair or replace the wiring harness between connector C-11 and connector C-34 because the wiring harness is shorted between circuits.

Go to the next step.

INSPECT BETWEEN DLC-2 AND CONNECTOR C-34 FOR SHORT BETWEEN CIRCUITS

• Switch the ignition off (LOCK).

• Disconnect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Inspect for continuity between DLC-2 terminals F and E.

• Is there continuity?

Yes

Repair or replace the wiring harness between DLC-2 and connector C-34 because the wiring harness is shorted between circuits.

Go to the next step.

INSPECT BETWEEN EPS CONTROL MODULE AND CONNECTOR C-34 FOR SHORT BETWEEN CIRCUITS

• Inspect for continuity between EPS control module terminals 2A and 2D. (connector 8-pin type)

• Inspect for continuity between EPS control module terminals 2B and 2D. (connector 4-pin type)

• Is there continuity?

Yes

Go to the next step.

Go to Step 37.

INSPECT EPS CONTROL MODULE FOR SHORT BETWEEN CIRCUITS

• Disconnect the EPS control module connector.

• Inspect for continuity between EPS control module terminals 2A and 2D (wiring harness side) (connector 8-pin type)

• Inspect for continuity between EPS control module terminals 2B and 2D (wiring harness side) (connector 4-pin type)

• Is there continuity?

Yes

Repair or replace the wiring harness between the EPS control module and connector C-34 because the wiring harness is shorted between circuits.

Replace the EPS control module because there is a short between circuits in the EPS control module.

(See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION.)

INSPECT BETWEEN MAZDA ERA-GLONASS CONTROL MODULE AND CONNECTOR C-34 FOR SHORT BETWEEN CIRCUITS

• Inspect for continuity between MAZDA ERA-GLONASS control module terminals 1Q and 1S.

• Is there continuity?

Yes

Go to the next step.

Go to Step 39.

INSPECT MAZDA ERA-GLONASS CONTROL MODULE FOR SHORT BETWEEN CIRCUITS

• Disconnect the MAZDA ERA-GLONASS control module connector.

• Inspect for continuity between MAZDA ERA-GLONASS control module terminals 1Q and 1S (wiring harness side)

• Is there continuity?

Yes

Repair or replace the wiring harness between the MAZDA ERA-GLONASS control module and connector C-34 because the wiring harness is shorted between circuits.

Replace the MAZDA ERA-GLONASS control module because there is a short between circuits in the MAZDA ERA-GLONASS control module.

(See MAZDA ERA-GLONASS CONTROL MODULE REMOVAL/INSTALLATION.)

INSPECT BETWEEN CONNECTOR C-34 AND CONNECTOR C-35 FOR SHORT BETWEEN CIRCUITS

• Disconnect connector C-35.

• Connect connector C-34.

• Connect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Switch the ignition ON (engine off).

• Measure the voltage at DLC-2 terminals F and E.

• Is the voltage at DLC-2 terminals F and E the same?

Yes

Repair or replace the wiring harness between connector C-34 and connector C-35 because the wiring harness is shorted between circuits.

Go to the next step.

INSPECT BETWEEN START STOP UNIT AND CONNECTOR C-35 FOR SHORT BETWEEN CIRCUITS

• Switch the ignition off (LOCK).

• Disconnect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Inspect for continuity between start stop unit terminals 2M and 2O.

• Is there continuity?

Yes

Go to the next step.

Go to Step 42.

INSPECT START STOP UNIT FOR SHORT BETWEEN CIRCUITS

• Disconnect the start stop unit connector.

• Inspect for continuity between start stop unit terminals 2M and 2O (wiring harness side)

• Is there continuity?

Yes

Repair or replace the wiring harness between the start stop unit and connector C-35 because the wiring harness is shorted between circuits.

Replace the start stop unit because there is a short between circuits in the start stop unit.

(See START STOP UNIT REMOVAL/INSTALLATION.)

INSPECT BETWEEN CONNECTIVITY MASTER UNIT (CMU) AND CONNECTOR C-35 FOR SHORT BETWEEN CIRCUITS

• Inspect for continuity between connectivity master unit (CMU) terminals 2E and 2F.

• Is there continuity?

Yes

Go to the next step.

Go to Step 44.

INSPECT CONNECTIVITY MASTER UNIT (CMU) FOR SHORT BETWEEN CIRCUITS

• Disconnect the connectivity master unit (CMU) connector.

• Inspect for continuity between connectivity master unit (CMU) terminals 2E and 2F (wiring harness side)

• Is there continuity?

Yes

Repair or replace the wiring harness between the connectivity master unit (CMU) and connector C-35 because the wiring harness is shorted between circuits.

Replace the connectivity master unit (CMU) because there is a short between circuits in the connectivity master unit (CMU).

(See CONNECTIVITY MASTER UNIT (CMU) REMOVAL/INSTALLATION.)

INSPECT BETWEEN SAS CONTROL MODULE AND CONNECTOR C-35 FOR SHORT BETWEEN CIRCUITS

• Inspect for continuity between SAS control module terminals 3B and 3C.

• Is there continuity?

Yes

Go to the next step.

Go to Step 46.

INSPECT SAS CONTROL MODULE FOR SHORT BETWEEN CIRCUITS

• Disconnect the SAS control module connector.

• Inspect for continuity between SAS control module terminals 3B and 3C (wiring harness side)

• Is there continuity?

Yes

Repair or replace the wiring harness between the SAS control module and connector C-35 because the wiring harness is shorted between circuits.

Replace the SAS control module because there is a short between circuits in the SAS control module.

(See SAS CONTROL MODULE REMOVAL/INSTALLATION.)

INSPECT CAN LINE IN INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS

• Disconnect the instrument cluster connector.

• Inspect for continuity between instrument cluster terminals B and D (wiring harness side)

• Is there continuity?

Yes

Repair or replace the wiring harness between the instrument cluster and connector C-35 because the wiring harness is shorted between circuits.

Replace the instrument cluster because there is a short between circuits in the instrument cluster.

(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)

INSPECT BETWEEN CONNECTOR C-32 AND FRONT BODY CONTROL MODULE (FBCM) FOR SHORT BETWEEN CIRCUITS

• Connect connector 2 which has front body control module (FBCM) terminals 2K and 2I.

• Disconnect connector C-32.

• Connect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Switch the ignition ON (engine off).

• Measure the voltage at DLC-2 terminals F and E.

• Is the voltage at DLC-2 terminals F and E the same?

Yes

Repair or replace the wiring harness between connector C-32 and the front body control module (FBCM) because the wiring harness is shorted between circuits.

Go to the next step.

INSPECT BETWEEN DSC HU/CM AND CONNECTOR C-32 FOR SHORT BETWEEN CIRCUITS

• Switch the ignition off (LOCK).

• Disconnect the negative battery cable.

(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Inspect for continuity between DSC HU/CM terminals E and D.

• Is there continuity?

Yes

Go to the next step.

Go to Step 50.

INSPECT DSC HU/CM FOR SHORT BETWEEN CIRCUITS

• Disconnect the DSC HU/CM connector.

• Inspect for continuity between DSC HU/CM terminals E and D (wiring harness side).

• Is there continuity?

Yes

Repair or replace the wiring harness between the DSC HU/CM and connector C-32 because the wiring harness is shorted between circuits.

Replace the DSC HU/CM because there is a short between circuits in the DSC HU/CM.

(See DSC HU/CM REMOVAL/INSTALLATION.)

INSPECT BETWEEN RADAR UNIT AND CONNECTOR C-32 FOR SHORT BETWEEN CIRCUITS

• Inspect for continuity between radar unit terminals D and C.

• Is there continuity?

Yes

Go to the next step.

Go to Step 52.

INSPECT RADAR UNIT FOR SHORT BETWEEN CIRCUITS

• Disconnect the radar unit connector.

• Inspect for continuity between radar unit terminals D and C (wiring harness side).

• Is there continuity?

Yes

Repair or replace the wiring harness between the radar unit and connector C-32 because the wiring harness is shorted between circuits.

Replace the radar unit because there is a short between circuits in the radar unit.

(See RADAR UNIT REMOVAL/INSTALLATION.)

INSPECT PCM FOR SHORT BETWEEN CIRCUITS

• Disconnect the PCM connector.

• Inspect for continuity between PCM terminals 2AK and 2AL (wiring harness side).

• Is there continuity?

Yes

Repair or replace the wiring harness between the PCM and connector C-32 because the wiring harness is shorted between circuits.

Replace the PCM because there is a short between circuits in the PCM.

(See PCM REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)