Charging System Symptom Troubleshooting Index (Charging System)
NOTE: If no DTCs are indicated when confirming them with the HDS , the alternator is normal because of multistage control one.
| Symptom | Diagnostic procedure | Also check for |
|---|---|---|
| 12 volt charging system indicator stays on | Do the gauge control module self-diagnostic function procedure . | |
| Over-run alternator decoupler (OAD) pulley is making an abnormal noise | Check for a broken over-run alternator decoupler (OAD) pulley . |