Symptom | Suspect area | Remedy |
Charging warning indicator does not light with ignition switch "ON" and engine off. | Fuse blown | Check fuses |
Light burned out | Replace light | |
Wiring connection loose | Tighten loose connection | |
Electronic voltage regulator | Replace alternator | |
Communication error | Inspect wiring between ECM-Regulator Inspect ECM output signal /or replace alternator as required | |
Charging warning indicator does not go out with engine running. (Battery requires frequent recharging) | Drive belt loose or worn | Adjust belt tension or replace belt |
Battery cable loose, corroded or worn | Inspect cable connection, repair or replace cable | |
Electronic voltage regulator or alternator | Replace alternator | |
Wiring | Repair or replace wiring | |
Battery condition detection error | Replace battery sensor | |
Overcharge | Electronic voltage regulator | Replace alternator |
Voltage sensing wire | Repair or replace wiring | |
Discharge | Drive belt loose or worn | Adjust belt tension or replace belt |
Wiring connection loose or short circuit | Inspect wiring connection, repair or replace wiring | |
Electronic voltage regulator or alternator | Replace alternator | |
Poor grounding | Inspect ground or repair | |
Worn battery | Replace battery | |
Bad electrical load | Replace electrical load |
Symptom | Suspect area | Remedy |
Engine will not crank | Battery charge low | Charge or replace battery |
Battery cables loose, corroded or worn out | Repair or replace cables | |
Transmission range switch (Vehicle with automatic transmission only) | Refer to AT group-automatic transmission | |
Fuse blown | Replace fuse | |
Starter motor faulty | Replace | |
Ignition switch faulty | Replace | |
Engine cranks slowly | Battery charge low | Charge or replace battery |
Battery cables loose, corroded or worn out | Repair or replace cables | |
Starter motor faulty | Replace | |
Starter keeps running | Starter motor | Replace |
Ignition switch | Replace | |
Starter spins but engine will not crank | Short in wiring | Repair wiring |
Pinion gear teeth broken or starter motor | Replace | |
Ring gear teeth broken | Replace drive plate or torque converter |