Diagnostic procedure

DTC P2404 DIAGNOSTIC PROCEDURE

STEP	INSPECTION		ACTION
1	VERIFY FREEZE FRAME DATA HAS BEEN RECORDED Has the FREEZE FRAME DATA been recorded?	Yes	Go to the next step.
1		No	Record FREEZE FRAME DATA on the repair order, then go to the next step.
2	VERIFY RELATED REPAIR INFORMATION AVAILABILITY Check for related Service Bulletins and/or online repair information availability. Is an/related repair information available?	Yes	Perform the repair or diagnostic according to the available repair information. If the vehicle is not repaired, then go to the next step.
2		No	Go to the next step.
3	CHECK EVAP HOSE BENDING Inspect the EVAP hose for bending. Is the EVAP hose normal?	Yes	Go to the next step.
3		No	Repair or replace the suspected hose, then go to Step 5.
4	CHECK AIR FILTER FOR CLOGGING Inspect the air filter for clogging. Is the air filter normal?	Yes	Go to the next step.
4		No	Replace the air filter, then go to the next step.
5	VERIFY TROUBLESHOOTING OF DTC P2404 COMPLETED Make sure to reconnect all disconnected connectors. Clear the DTC from the PCM memory using the WDS or equivalent. Perform the EVAP system test using the WDS or equivalent. (See EVAPORATIVE EMISSION (EVAP) SYSTEM LEAK INSPECTION ). Is the same DTC present? NOTE: If EVAP system test function is not available, take following procedure. Perform the "EVAP System Repair Verification Drive Mode". (See OBD-II DRIVE MODE ). Is the PENDING CODE for this DTC present?	Yes	Replace the PCM, then go to the next step.
5		No	Go to the next step.
6	VERIFY AFTER REPAIR PROCEDURE Perform the "After Repair Procedure". (See AFTER REPAIR PROCEDURE ). Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE ).
6		No	Troubleshooting completed.