Charging System Symptom Troubleshooting

Symptom | Diagnostic procedure | Also check for
--- | --- | ---
Charging system indicator does not come on with the ignition switch ON (II) | Troubleshoot the charging system indicator circuit. |
Charging system indicator stays on | 1. 2. 3. | Troubleshoot the charging system indicator circuit. Check for a broken drive belt. Check the drive belt auto-tensioner. |
Battery discharged | 1. 2. 3. 4. 5. 6. 7. | Check for a poor connection and for open or shorted wire(s) in charging system. Check for parasitic electrical current draw. Check for a broken drive belt. Check the drive belt auto-tensioner. Troubleshoot the alternator and regulator circuit. Check for a poor connection at the battery terminal. Test the battery. |
Battery overcharged | 1. 2. | Troubleshoot the alternator and regulator circuit. Test the battery. |