Diagnostic procedure

DTC P2402 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 (Evaporative emission system related) been recorded?	Yes	Go to the next step.
1		No	Record FREEZE FRAME DATA and DIAGNOSTIC MONITORING TEST RESULTS on repair order, then go to the next step.
2	VERIFY RELATED REPAIR INFORMATION AVAILABILITY Check for related Technical Service Bulletin(s) repair information availability. Is any related repair information available?	Yes	Perform repair or diagnostic according to available repair information. If vehicle is not repaired, then go to the next step.
2		No	Go to the next step.
3	INSPECT EVAP SYSTEM LEAK DETECTION PUMP CIRCUIT FOR SHORT TO POWER Turn the ignition switch to the ON position. Disconnect the EVAP system leak detection pump connector. Measure the voltage between EVAP system leak detection pump terminal D (wiring harness-side) and body ground. Is the voltage B+ ?	Yes	Repair or replace the wiring harness, then go to the next step.
3		No	Go to the next step.
4	VERIFY TROUBLESHOOTING OF DTC P2402 COMPLETED Make sure to reconnect all disconnected connectors. Clear the DTC from the PCM memory using the WDS or equivalent. Perform the evaporative system test using the WDS or equivalent. (See EVAP SYSTEM LEAK INSPECTION USING WDS OR EQUIVALENT .) Is the same DTC present? NOTE: If evaporative system test function is not available, perform the following procedure: Perform the EVAP System Repair Verification Drive Mode. (See OBD-II DRIVE MODE ) Is the PENDING CODE the same as the DTC present?	Yes	Replace the PCM, then go to the next step.
4		No	Go to the next step.
5	VERIFY AFTER REPAIR PROCEDURE Perform "AFTER REPAIR PROCEDURE". (See AFTER REPAIR PROCEDURE ) Is any DTC present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE )
5		No	Troubleshooting completed.