Wiring Diagrams and Trouble Diagnosis.

When you read wiring diagrams, refer to the following:

• Refer to "HOW TO READ WIRING DIAGRAMS ".
• Refer to "POWER SUPPLY ROUTING " for power distribution circuit.

When you perform trouble diagnosis, refer to the following:

• Refer to "HOW TO FOLLOW TEST GROUPS IN TROUBLE DIAGNOSES ".
• Refer to "HOW TO PERFORM EFFICIENT DIAGNOSIS FOR AN ELECTRICAL INCIDENT ".