DTC Troubleshooting: P1549(3.0L Engine): Inspection
Alternator Inspection
NOTE:
Since there is no direct method to test the inspection item, troubleshooting is performed using a known-good component.
Test Procedure
- Install a known-good alternator and attempt to reproduce the failure.
Results
- If the failure is reproduced, there is a problem with the PCM.
- If the symptom/DTC goes away, the alternator must be faulty.