Diagnostic Procedure

DIAGNOSTIC PROCEDURE

STEP	INSPECTION		ACTION
1	VERIFY FREEZE FRAME DATA AND DIAGNOSTIC MONITORING TEST RESULTS HAVE BEEN RECORDED Have FREEZE FRAME DATA and DIAGNOSTIC MONITORING TEST RESULTS (CCM related) been recorded?	Yes	Go to the next step.
1		No	Record the freeze frame data and diagnostic monitoring test results on the repair order, then go to the next step.
2	VERIFY RELATED REPAIR INFORMATION AVAILABILITY Verify related Service Bulletins and/or on-line 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.
2		No	Go to the next step.
3	IDENTIFY TRIGGER DTC FOR FREEZE FRAME DATA Is P050B on FREEZE FRAME DATA?	Yes	Go to the next step.
3		No	Go to for DTC on freeze frame data. (See DTC TABLE ).
4	VISUALLY INSPECT CKP SENSOR AND PULSE WHEEL Visually inspect for CKP sensor and pulse wheel. Is there any damage or chip on CKP sensor and pulse wheel?	Yes	Replace the suspected part, then go to Step 8.
4		No	Go to the next step.
5	INSPECT CKP SENSOR Inspect CKP sensor. (See CRANKSHAFT POSITION (CKP) SENSOR INSPECTION ). Is the CKP sensor normal?	Yes	Go to the next step.
5		No	Replace the CKP sensor, then go to Step 8.
6	VISUALLY INSPECT CMP SENSOR AND PULSE WHEEL Visually inspect for CMP sensor and pulse wheel. Is there any damage or chip on CMP sensor and pulse wheel?	Yes	Replace the suspected part, then go to Step 8.
6		No	Go to the next step.
7	INSPECT CMP SENSOR Inspect CMP sensor. (See CAMSHAFT POSITION (CMP) SENSOR INSPECTION ). Is the CMP sensor normal?	Yes	Go to the next step.
7		No	Replace the CMP sensor, then go to the next step.
8	VERIFY TROUBLESHOOTING OF DTC P050B COMPLETED Make sure to reconnect all disconnected connectors. Clear DTC from the PCM memory using the WDS or equivalent. Perform the KOER self-test using the WDS or equivalent. (See DTC TABLE ). Is the PENDING CODE for this DTC present?	Yes	Replace the PCM, then go to the next step. (See PCM REMOVAL/INSTALLATION ).
8		No	Go to the next step.
9	VERIFY AFTER REPAIR PROCEDURE Perform the "after repair procedure". (See AFTER REPAIR PROCEDURE ). Are any DTC present?	Yes	Go to the applicable DTC troubleshooting. (See DTC TABLE ).
9		No	Troubleshooting completed.