DTC P0669 [ZY]

id0102d3834000

DTC P0669

PCM temperature sensor circuit high input

DETECTION CONDITION

• The PCM monitors the PCM temperature sensor (integrated the PCM) signal. If the PCM detects that the PCM temperature sensor voltage is more than the specification, the PCM determines that the PCM temperature sensor has a malfunction.
Diagnostic support note
• This is a continuous monitor (Other).
• The MIL does not illuminate.
• PENDING CODE is available if the PCM detects the above malfunction condition.
• FREEZE FRAME DATA is not available.
• The DTC is stored in the PCM memory.

POSSIBLE CAUSE

• PCM temperature sensor malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION

1
VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
• Has FREEZE FRAME DATA been recorded?
Yes
Go to the next step.
No
Record the FREEZE FRAME DATA on the repair order, then go to the next step.
2
VERIFY RELATED REPAIR INFORMATION AVAILABILITY
• Verify related service repair information availability.
• Is any related repair information available?
Yes
Perform repair or diagnosis according to the available repair information.
• If the vehicle is not repaired, go to the next step.
No
Go to the next step.
3
VERIFY TROUBLESHOOTING OF DTC P0669 COMPLETED
• Make sure to reconnect all disconnected connectors.
• Turn the ignition switch to the ON position (Engine off).
• Clear the DTC from the PCM memory using the WDS or equivalent.
• Perform the "KOEO or KOER self-test".
• Is the DTC P0669 present?
Yes
Replace the PCM, then go to the next step.
No
Go to the next step.
4
VERIFY AFTER REPAIR PROCEDURE
• Perform "AFTER REPAIR PROCEDURE".
• Are any DTCs present?
Yes
Go to the applicable DTC troubleshooting.
No
Troubleshooting completed.