INDICATOR UNIT INSPECTION

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Terminal Voltage Inspection

1.  Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5].) (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5 (WITHOUT i-stop)].) (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

2.  Remove the following parts:

(1)  Upper panel (See UPPER PANEL REMOVAL/INSTALLATION.)
(2)  Rear console (See REAR CONSOLE REMOVAL/INSTALLATION.)
(3)  Console side panel (See CONSOLE SIDE PANEL REMOVAL/INSTALLATION.)
(4)  Shift lever knob (MTX) (See MANUAL TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION [C66M-R].) (See MANUAL TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION [D66M-R, D66MX-R].)
(5)  Selector lever knob (ATX) (See AUTOMATIC TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION.)
(6)  Shift panel (See SHIFT PANEL REMOVAL/INSTALLATION.)
(7)  Front console box (See FRONT CONSOLE BOX REMOVAL/INSTALLATION.)
(8)  CD player (with CD player) (See CD PLAYER REMOVAL.) (See CD PLAYER INSTALLATION.)
(9)  DVD/CD player (with DVD/CD player) (See DVD/CD PLAYER REMOVAL.) (See DVD/CD PLAYER INSTALLATION.)
(10)  Side wall (See SIDE WALL REMOVAL/INSTALLATION.)
(11)  Front console (See FRONT CONSOLE REMOVAL/INSTALLATION.)
(12)  Upper column cover (See COLUMN COVER REMOVAL/INSTALLATION.)
(13)  Meter hood (See METER HOOD REMOVAL/INSTALLATION.)
(14)  Passenger-side decoration panel (See DECORATION PANEL REMOVAL/INSTALLATION.)
(15)  Climate control unit (See CLIMATE CONTROL UNIT REMOVAL/INSTALLATION [FULL-AUTO AIR CONDITIONER].) (See CLIMATE CONTROL UNIT REMOVAL/INSTALLATION [MANUAL AIR CONDITIONER].)

3.  Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5].) (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5 (WITHOUT i-stop)].) (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

4.  Verify that the voltages of each of the terminals are as indicated in the terminal voltage table (reference).

•  If the voltage is not as specified in the terminal voltage table (reference), inspect the parts under Inspection item(s) and related wiring harnesses.
―  If the system does not work normally even though the inspection items or related wiring harnesses do not have any malfunction, replace the indicator unit. (See INDICATOR UNIT REMOVAL/INSTALLATION.)

Terminal Voltage Table (Reference)

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Terminal

Signal name

Connected to

Measurement conditions

Voltage (V)

Inspection item(s)
A
Power supply (IG1)
IG1 relay
Ignition switch ON (engine off or on)
B+
•  METER1 10A fuse
•  IG1 relay
Ignition switch off or ACC
1.0 or less
B
Power supply
•  INTERIOR 15 A fuse
•  ROOM 25 A fuse
Under any condition
B+
•  INTERIOR 15 A fuse
•  ROOM 25 A fuse
•  Battery
C
Power supply*1
Ignition relay (IG1_STAB)
Ignition switch ON (engine off or on)
B+
Ignition relay (IG1_STAB)
Ignition switch off or ACC
1.0 or less
Power supply*2
IG1 relay
Ignition switch ON (engine off or on)
B+
IG1 relay
Ignition switch off or ACC
1.0 or less
D*3
Front seat warmer switch signal
Front seat warmer control unit
Because this terminal is for communication, determination using terminal voltage inspection is not possible.
E*4
Passenger air bag deactivation (PAD) ON indicator
Instrument cluster
Ignition switched ON (engine off)
Turn PAD switch on (PAD ON indicator light turns off) and light switch at OFF position
1.0 or less
Instrument cluster
Turn PAD switch on (PAD ON indicator light turns off) and light switch at TNS position
approx. 11
Turn PAD switch off (PAD ON indicator light turns on)
approx. 4
F
Ground
Body ground
Under any condition
1.0 or less
Body ground
G
Instrument cluster signal
Instrument cluster
Because this terminal is for communication, determination using terminal voltage inspection is not possible.
H*5
Parking sensor indicator
Parking sensor control module
Ignition switched ON (engine off)
Turn parking sensor switch on (parking sensor indicator turns on)
approx. 10
Parking sensor control module
Turn parking sensor switch off (parking sensor indicator turns off)
1.0 or less
I*5
Parking sensor OFF switch
Parking sensor control module
Ignition switched ON (engine off)
Keep parking sensor switch push
1.0 or less
Parking sensor control module
Release parking sensor switch
approx. 10
J*4
Passenger air bag deactivation (PAD) OFF indicator
Instrument cluster
Ignition switched ON (engine off)
Turn PAD switch on, approx. 60 s (during PAD OFF indicator illumination)
approx. 11
Instrument cluster
Turn PAD switch off (PAD OFF indicator light turns off) and light switch at OFF position
approx. 4
Turn PAD switch off (PAD OFF indicator light turns off) and light switch at TNS position
1.0 or less

*1  :With i-stop system
*2  :Without i-stop system
*3  :With front seat warmer
*4  :With passenger air bag deactivation (PAD) switch
*5  :With parking sensor system


LED Illumination Inspection


When using M-MDS

1.  Connect the M-MDS to the DLC-2.

2.  After vehicle identification, select the following from the M-MDS initialization screen.

1.  "Data logger"
2.  "Module"
3.  "IC"

3.  Using the simulation function LCD_SEG, verify that the following warning/indicator lights are turned on.

•  If any one of the warning/indicator lights is not displayed, replace the indicator unit. (See INDICATOR UNIT REMOVAL/INSTALLATION.)
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When not using M-MDS

1.  Switch the ignition ON (engine off or on).

2.  Using a jumper wire, connect indicator unit terminal G and body ground for 5 s or more.

Caution
•  If the terminals are mistakenly connected, vehicle damage or fire could occur. When connecting with the jumper wire, thoroughly verify what terminals are being connected to prevent a miss-connection.

3.  Verify that the following warning/indicator lights are turned on.

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•  If any one of the warning/indicator lights is not displayed, replace the indicator unit. (See INDICATOR UNIT REMOVAL/INSTALLATION.)