Operation CHARM: Car repair manuals for everyone.

Main Power Supply and Ground Circuit Check


Main Power Supply and Ground Circuit Check








POWER SUPPLY CIRCUIT CHECK
Check power supply circuit for air conditioning system.
Refer to ("Wiring Diagram", "POWER SUPPLY ROUTING").








PUSH CONTROL MODULE CHECK
Check power supply circuit for push control module with ignition switch at ACC.
1. Disconnect push control module harness connector.
2. Connect voltmeter from harness side.
3. Measure voltage across terminal No. 14 and body ground.

Check body ground circuit for push control module with ignition switch ON.
1. Disconnect push control module harness connector.
2. Connect ohmmeter from harness side.
3. Check for continuity between terminal No. 17 and body ground.