DTC P0315 [AJ (3.0L Duratec)]


id0102a4820200

DTC P0315

PCM is unable to learn crankshaft pulse wheel tooth spacing (exceeded the allowable correction tolerances)

DETECTION CONDITION

• PCM is unable to learn and correct for mechanical inaccuracies in crankshaft pulse wheel tooth spacing. This DTC will disable the misfire monitor

POSSIBLE CAUSE

• Crankshaft pulse wheel malfunction
• CKP sensor 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
INSPECT CRANKSHFT PULSE WHEEL
• Visually inspect the crankshaft pulse wheel.
• Is there malfunction?
Yes
Replace the crankshaft pulse wheel, then go to Step 5.
No
Go to next step.
4
INSPECT CKP SENSOR
• Inspect the CKP sensor.
• Is there any malfunction?
Yes
Replace the CKP sensor, then go to next step.
No
Go to next step.
5
VERIFY TROUBLESHOOTING OF DTC P0206 COMPLETED
• Make sure to reconnect all disconnected connectors.
• Clear DTC from memory using WDS or equivalent.
• Start engine.
• Perform "KOEO/KOER self-test"
• Is same DTC present?
Yes
Replace PCM, then go to next step.
No
Go to next step.
6
VERIFY AFTER SERVICE PROCEDURE
• Perform "AFTER SERVICE PROCEDURE".
• Is there any DTC present?
Yes
Go to applicable DTC inspection.
No
Troubleshooting completed.