Flow of Diagnosis

WARNING:
^ WHEN PERFORMING UNDERHOOD WORK 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 REPLACED AFTER SERVICING. BE SURE TO DISCONNECT BATTERY GROUND CABLE.
^ WHEN WORKING IN AREA OF THE STARTER MOTOR, BE CAREFUL TO AVOID TOUCHING HOT EXHAUST COMPONENTS.


NOTE: When working on the starter system, make sure the anti-theft system is deactivated (if equipped).

1. Verify the customer concern by operating the system.
2. Visually inspect for obvious signs of mechanical or electrical damage.

VISUAL INSPECTION CHART
Mechanical
^ Starter motor
^ Brackets
^ TR sensor

Electrical
^ Battery
^ Battery junction box (BJB):
- Fuse F4 (75 A)
- Fuse F35 (10 A)
^ Damaged wiring harness
^ Inhibit relay
^ Anti-theft relay (if equipped)
^ Loose or corroded connections

3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
4. If the concern is not visually evident, verify the symptom and refer to the Symptom Chart. Symptom Related Diagnostic Procedures