DTC P1309[AJ (3.0L Duratec)]


id0102a4824700

DTC P1309

MIsfire monitor disabled

DETECTION CONDITION
•  Incomprehensible signals from CMP sensor.
POSSIBLE CAUSE
•  CMP sensor malfunction
•  CKP sensor malfunction
•  ECT sensor malfunction
•  MAF sensor malfunction
•  PCM malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION

1
VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
•  Has FREEZE FRAME DATA been recorded?
Yes
Go to next step.
No
Record FREEZE FRAME DATA on repair order, then go to next step.
2
VERIFY RELATED SERVICE INFORMATION AVAILABILITY
•  Check for related Service Information availability.
•  Is any related Service Information available?
Yes
Perform repair or diagnosis according to available Service Information.
•  If vehicle is not repaired, go to next step.
No
Go to next step.
3
VERIFY OTHER DTC PRESENT
•  Is DTC P0102, P0103, P0117, P0118, P0320, or P0340?
Yes
Go to applicable DTC inspection.
No
Go to next step.
4
INSPECT CMP SENSOR INSTALLATION
•  Inspect the CMP sensor installation.
•  Is there any malfunction?
Yes
Install the CMP sensor, then go to next step.
No
Go to next step.
5
VERIFY TROUBLESHOOTING OF DTC P1309 COMPLETED
•  Make sure to reconnect all disconnected connectors.
•  Clear DTC from memory using M-MDS.
•  Start engine.
•  Is same DTC present?
Yes
Replace PCM, then go to next step.
No
Go to next step.
6
VERIFY AFTER REPAIR PROCEDURE
•  Perform "AFTER REPAIR PROCEDURE".
•  Is there any DTC present?
Yes
Go to applicable DTC inspection.
No
Troubleshooting completed.