Troubleshooting
Charging System

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

Starting System

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

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