DTC P0668[ZJ, ZY, Z6]
id0102c1833900
Without Throttle Valve Actuator
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DTC P0668 |
PCM temperature sensor circuit low input |
|---|---|
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DETECTION CONDITION
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• The PCM monitors the PCM temperature sensor (integrated in the PCM) signal. If the PCM detects that the PCM temperature sensor voltage is 0.10 V or less, 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.
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POSSIBLE CAUSE
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• PCM temperature sensor malfunction
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Diagnostic procedure
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STEP |
INSPECTION |
ACTION |
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|---|---|---|---|
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1
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VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
• Has FREEZE FRAME DATA been recorded?
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Yes
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Go to the next step.
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No
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Record the FREEZE FRAME DATA on the repair order, then go to the next step.
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||
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2
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VERIFY RELATED SERVICE INFORMATION AVAILABILITY
• Verify related Service Information availability.
• Is any related Service Information available?
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Yes
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Perform repair or diagnosis according to the available Service Information.
• If the vehicle is not repaired, go to the next step.
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No
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Go to the next step.
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||
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3
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VERIFY TROUBLESHOOTING OF DTC P0668 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 M-MDS.
• Start the engine.
• Is the same DTC present?
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Yes
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Replace the PCM, then go to the next step.
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No
|
Go to the next step.
|
||
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4
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VERIFY AFTER REPAIR PROCEDURE
• Perform “AFTER REPAIR PROCEDURE”.
• Are any DTCs present?
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Yes
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Go to the applicable DTC troubleshooting.
(See DTC TABLE[ZJ, ZY, Z6].)
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No
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Troubleshooting completed.
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||
With Throttle Valve Actuator
|
DTC P0668 |
PCM temperature sensor circuit low input |
|---|---|
|
DETECTION CONDITION
|
• The PCM monitors the PCM temperature sensor (integrated in the PCM) signal. If the PCM detects that the PCM temperature sensor voltage is less 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 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 TROUBLESHOOTING OF DTC P0668 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 M-MDS.
• Perform the “KOEO or KOER self-test”.
• Is the DTC P0668 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.
(See DTC TABLE[ZJ, ZY, Z6].)
|
|
No
|
Troubleshooting completed.
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||