Charging System
CHARGING SYSTEM TROUBLESHOOTING
| Symptom | Suspect area | Remedy |
|---|---|---|
| Charging warning indicator does not light with Start/Stop Button "ON" and Hybrid System off. | Fuse blown | Check fuses |
| Light burned out | Replace light | |
| Wiring connection loose | Tighten loose connection | |
| LDC problem | Check the LDC. Refer to LOW VOLTAGE DC/DC CONVERTER (LDC) |
|
| Charging warning indicator does not go out with Hybrid System on. (Battery requires frequent recharging) | Battery cable loose, corroded or worn | Inspect cable connection, repair or replace cable |
| LDC problem | Check the LDC. Refer to LOW VOLTAGE DC/DC CONVERTER (LDC) |
|
| Wiring | Repair or replace wiring | |
| Overcharge | LDC problem | Check the LDC. Refer to LOW VOLTAGE DC/DC CONVERTER (LDC) |
| Voltage sensing wire | Repair or replace wiring | |
| Discharge | Wiring connection loose or short circuit | Inspect wiring connection, repair or replace wiring |
| LDC problem | Check the LDC. Refer to LOW VOLTAGE DC/DC CONVERTER (LDC) |
|
| Poor grounding | Inspect ground or repair | |
| Worn battery | Replace battery | |
| Abnormal parasitic draw from the vehicle | Install a current probe to measure current. It should be less than 0.05A (50mA) after Hybrid System off and waiting 10 minutes. Make sure trunk light is removed for this test. |