Operation CHARM: Car repair manuals for everyone.
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Power Supply Circuit (4B41-42)

4B41 : CHECK POWER SUPPLY CIRCUIT.




Measure voltage between fuse box connector (B158) and chassis ground.

CHECK: Is the voltage more than 10 V ?

YES: Go to step 4B42.

NO: Repair wiring harness between fuse box and battery.

4B42: CHECK POWER SUPPLY CIRCUIT.

1. Disconnect connector from keyless entry control module.




2. Measure voltage between keyless entry control module connector (B176) and chassis ground.

CHECK: Is the voltage more than 10 V ?

YES: Go to step 4B51.

NO: Repair wiring harness between keyless entry control module and fuse box.