Wiring Diagrams and Trouble Diagnosis

When you read wiring diagrams, refer to the following:
- "HOW TO READ WIRING DIAGRAMS"
- "POWER SUPPLY ROUTING" for power distribution circuit

When you perform trouble diagnosis, refer to the following:
- "HOW TO FOLLOW TEST GROUPS IN TROUBLE DIAGNOSIS"
- "HOW TO PERFORM EFFICIENT DIAGNOSIS FOR AN ELECTRICAL INCIDENT"

Check for any Service bulletins before servicing the vehicle.