Circuit/System Verification

Engine idling at the normal operating temperature.
Verify there is no abnormal engine noise.
- If there is an abnormal engine noise, refer to Symptoms - Engine Mechanical .
Verify the following DTCs are not set: P0201, P0202, P0203, P0204, P0315, P0335, P0336, P0351, or P0352 are not set.
- If a DTC is set, refer to Diagnostic Trouble Code (DTC) List - Vehicle .
Operate the vehicle within the conditions for Running The DTC or within the Freeze Frame Failure Records.
Observe the Misfire Current Counters, with a scan tool. The Misfire Current Counters should not be incrementing.
If the vehicle passes the Circuit/System Verification Test, then operate the vehicle within the conditions for running the DTC. You may also operate the vehicle within the conditions that are captured in the FreezeFrame/Failure Records List.