Power Supply Circuit

Connector & Terminal - [(F66) No.4 (+) - Chassis Ground (-):

2B1: 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 2B2.

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

2B2: CHECK POWER SUPPLY CIRCUIT.
1. Disconnect connector from security control module.

Connector & Terminal - [(B93) No.11 (+) - Chassis Ground (-):

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

CHECK: Is the voltage more than 10 V?

YES: Go to step 2B3.

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

Connector & Terminal - [(F68) No.2 (+) - Chassis Ground (-):

2B3: 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 2B4.

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

Connector & Terminal - [(B93) No.13 (+) - Chassis Ground (-):

2B4: 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 2C1.

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