Inspection and Verification
| WARNING | When working underhood in the vicinity of the starter motor, be aware that the heavy gauge battery input lead at the starter solenoid is electrically hot at all times. A protective cap or boot is provided over the terminal of this lead and must be reinstalled after repairing. |
| WARNING | When working in area of the starter motor, be careful to avoid touching hot exhaust components. |
Note. The anti-theft system must be functioning correctly before a logical starting system diagnosis can be carried out. Address anti-theft system concerns before continuing.
- Verify the customer concern by operating the starting system to duplicate the conditions.
- Inspect to determine if any of the following mechanical or electrical concerns apply. VISUAL INSPECTION CHART Mechanical Electrical Starter motor Brackets Battery Open fuse Damaged wiring harness Starter relay Anti-theft system Loose or corroded connections
- If the inspection reveals an obvious concern that can be readily identified, repair as necessary.
- If the concern remains after the inspection, determine the symptom. GO to «SYMPTOM CHART»(ref-233001-S27591792962006052400000) .
Symptom Chart
| Condition | Possible Sources | Action |
|---|
| The engine does not crank | Battery. Open fuse. Starter motor. Ignition switch. Circuitry open. Starter motor relay. | GO to PINPOINT TEST A . |
| The engine cranks slowly | Battery. Starter motor. | CARRY OUT the Component Tests . |
| Unusual starter noise | Starter motor mounting. Starter motor. Incorrect starter drive engagement. | GO to PINPOINT TEST B . |
| The starter spins but the engine does not crank | Starter motor. | INSPECT the starter motor mounting and engagement. REFER to STARTER DRIVE/FLYWHEEL RING GEAR INSPECTION . |
| Damaged flywheel/ring gear teeth. | INSPECT the flywheel/ring gear for damaged, missing or worn teeth. REPAIR as necessary. |
Scheme 1
Scheme 1: Starter Motor Relay
Scheme 2
Scheme 3
