DTC P0684:00 [PCM (SKYACTIV-D 2.2)]
id0102j5213800
|
DTC P0684:00 |
Glow control module control circuit communication error |
|---|---|
|
DETECTION CONDITION
|
• When the following conditions are met, the input signal pattern of the glow control module is incorrect for a continuous 5 s:
MONITORING CONDITIONS
Diagnostic support note
• This is a continuous monitor (CCM).
• The check engine light illuminates if the PCM detects the above malfunction condition during the first drive cycle.
• FREEZE FRAME DATA/Snapshot data is available.
• DTC is stored in the PCM memory.
|
|
FAIL-SAFE FUNCTION
|
• Inhibits engine-stop by operating the i-stop function.
|
|
POSSIBLE CAUSE
|
• Glow control module connector or terminals malfunction
• PCM connector or terminals malfunction
• Glow control module malfunction
• PCM malfunction
|
|
SYSTEM WIRING DIAGRAM
|
Not applicable
|
Diagnostic Procedure
|
STEP |
INSPECTION |
ACTION |
|
|---|---|---|---|
|
1
|
VERIFY FREEZE FRAME DATA/SNAPSHOT DATA HAS BEEN RECORDED
• Has the FREEZE FRAME DATA/snapshot data been recorded?
|
Yes
|
Go to the next step.
|
|
No
|
Record the FREEZE FRAME DATA/snapshot data on the repair order, then go to the next step.
|
||
|
2
|
VERIFY RELATED SERVICE INFORMATION AVAILABILITY
• Verify related Service Information availability.
• Is any related Service Information available?
|
Yes
|
Perform repair or diagnosis according to the available Service Information.
• If the vehicle is not repaired, go to the next step.
|
|
No
|
Go to the next step.
|
||
|
3
|
VERIFY RELATED PENDING CODE AND/OR DTC
• Switch the ignition off, then ON (engine off).
• Perform the Pending Trouble Code Access Procedure and DTC Reading Procedure.
• Are any other PENDING CODEs and/or DTCs present?
|
Yes
|
Go to the applicable PENDING CODE or DTC inspection.
|
|
No
|
Go to the next step.
|
||
|
4
|
INSPECT GLOW CONTROL MODULE CONNECTOR CONDITION
• Switch the ignition off.
• Disconnect the glow control module connector.
• Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
• Is there any malfunction?
|
Yes
|
Repair or replace the connector and/or terminals, then go to Step 7.
|
|
No
|
Go to the next step.
|
||
|
5
|
INSPECT PCM CONNECTOR CONDITION
• Disconnect the PCM connector.
• Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
• Is there any malfunction?
|
Yes
|
Repair or replace the connector and/or terminals, then go to Step 7.
|
|
No
|
Go to the next step.
|
||
|
6
|
INSPECT GLOW CONTROL MODULE
• Inspect the glow control module.
• Is there any malfunction?
|
Yes
|
Replace the glow control module, then go to the next step.
|
|
No
|
Go to the next step.
|
||
|
7
|
VERIFY DTC TROUBLESHOOTING COMPLETED
• Always reconnect all disconnected connectors.
• Clear the DTC from the PCM memory using the M-MDS.
• Perform the DTC Reading Procedure.
• Is the same DTC present?
|
Yes
|
Repeat the inspection from Step 1.
• If the malfunction recurs, replace the PCM.
Go to the next step.
|
|
No
|
Go to the next step.
|
||
|
8
|
VERIFY AFTER REPAIR PROCEDURE
• Perform the “AFTER REPAIR PROCEDURE”.
• Are any DTCs present?
|
Yes
|
Go to the applicable DTC inspection.
|
|
No
|
DTC troubleshooting completed.
|
||