Charging System Symptom Troubleshooting Index
NOTE:
If no DTCs are indicated when confirming them with the HDS - Refer to: How to Troubleshoot the Fuel and Emissions Systems (1.5L Engine) or How to Troubleshoot the Brake Booster Pressure Monitoring System or How to Troubleshoot the Fuel and Emissions Systems (2.0L Engine) (2024 2025) or How to Troubleshoot the CVT System , 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 - Refer to: Over-Run Alternator Decoupler (OAD) Pulley Inspection (2.0L Engine) (2024 2025) or Over-Run Alternator Decoupler (OAD) Pulley Inspection (1.5L Engine) . |