Diagnostic procedure

DTC P0446 - DIAGNOSTIC PROCEDURE

STEP	INSPECTION		ACTION
1	VERIFY FREEZE FRAME DATA HAS BEEN RECORDED Has FREEZE FRAME DATA been recorded?	Yes	Go to the next step.
1		No	Record FREEZE FRAME DATA on 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 any related repair information available?	Yes	Perform 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 SYSTEM LEAK DETECTION PUMP CIRCUIT FOR SHORT TO POWER Turn ignition switch to ON (engine OFF). Disconnect EVAP system leak detection pump connector. Measure voltage between EVAP system leak detection pump connector terminal D and body ground. Is voltage B+?	Yes	Repair or replace wiring harness, then go to Step 5.
3		No	Go to the next step.
4	INSPECT COV (EVAP SYSTEM LEAK DETECTION PUMP) Perform EVAP system leak detection pump inspection. (See EVAPORATIVE EMISSION (EVAP) SYSTEM LEAK DETECTION PUMP INSPECTION ) Is COV (EVAP system leak detection pump) okay?	Yes	Go to the next step.
4		No	Replace EVAP system leak detection pump, then go to the next step.
5	VERIFY TROUBLESHOOTING OF DTC P0446 COMPLETED Make sure to reconnect all disconnected connectors. Turn key to ON (Engine off). Clear the DTC from the memory using the WDS or equivalent. Start engine and perform DRIVE MODE 4. (See OBD-II DRIVE MODE .) Is pending code of same DTC present?	Yes	Replace 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.