Diagnostic procedure

DTC P2405 DIAGNOSTIC PROCEDURE CHART

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 (EVAP system 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	INSPECT EVAP SYSTEM LEAK DETECTION PUMP Inspect the EVAP system leak detection pump. (See EVAPORATIVE EMISSION (EVAP) SYSTEM LEAK DETECTION PUMP INSPECTION ) Is there any malfunction?	Yes	Replace the EVAP system leak detection pump, then go to the next step. (See EVAPORATIVE EMISSION (EVAP) CONTROL SYSTEM REMOVAL/INSTALLATION )
3		No	Go to the next step.
4	VERIFY TROUBLESHOOTING OF DTC P2405 COMPLETED Make sure to reconnect all disconnected connectors. Clear the DTC from the PCM memory using the M-MDS or equivalent. Perform the evaporative system test using the M-MDS or equivalent. (See EVAPORATIVE EMISSION (EVAP) SYSTEM LEAK INSPECTION ) Is the same DTC present? NOTE: If the evaporative system test function is not available, perform the following procedure. Perform 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. (See PCM REMOVAL/INSTALLATION )
4		No	Go to the next step.
5	VERIFY AFTER REPAIR PROCEDURE Perform the AFTER REPAIR PROCEDURE . Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE ).
5		No	DTC troubleshooting completed.