Power Supply Circuit (5B21-24)

5B21 : CHECK POWER SUPPLY CIRCUIT.




Measure voltage between main fuse box connector (F68) and chassis ground.

CHECK: Is the voltage more than 10 V?

YES: Go to step 5B22.

NO: Repair wiring harness between main fuse box and battery.

5B22: CHECK POWER SUPPLY CIRCUIT.
1. Disconnect connector from security control module.




2. Measure voltage between security control module connector (B93) and chassis ground.

CHECK: Is the voltage more than 10 V ?

YES: Go to step 5B23.

NO: Repair wiring harness between security control module and main fuse box.

5B23: CHECK POWER SUPPLY CIRCUIT.




Measure voltage between main fuse box connector (F68) and chassis ground.

CHECK: Is the voltage more than 10 V ?

YES: Go to step 5B24.

NO: Repair wiring harness between main fuse box and battery.

5B24: CHECK POWER SUPPLY CIRCUIT.




Measure voltage between security control module connector (B93) and chassis ground.

CHECK: Is the voltage more than 10 V ?

YES: Go to step 5B31.

NO: Repair wiring harness between security control module and main fuse box.