1.CHECK FUSE

1. Turn ignition switch OFF.
2. Check 10 A fuse, [No.11, located in fuse block (J/B)].

Is fuse fusing?
YES>>Replace the blown fuse after repairing the affected circuit if a fuse is blown.
NO>>GO TO 2.
2.CHECK KEY SLOT POWER SUPPLY CIRCUIT

1. Disconnect key slot connector.
2. Check voltage between slot harness connector and ground.

   (+) | (–) | Voltage (V) (Approx.)
   Key slot
   Connector | Terminal
   M60 | 1 | Ground | Battery voltage

Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair or replace key slot power supply circuit.
3.CHECK KEY SLOT CIRCUIT

1. Disconnect BCM connector.
2. Check continuity between BCM harness connector and key slot harness connector.

   BCM | Key slot | Continuity
   Connector | Terminal | Connector | Terminal
   M123 | 121 | M60 | 11 | Existed

3. Check continuity between BCM harness connector and ground.

   BCM | Ground | Continuity
   Connector | Terminal
   M123 | 121 | Not existed

Is the inspection result normal?
YES>>GO TO 4.
NO>>Repair or replace harness.
4.CHECK KEY SLOT
Refer to Component Inspection.
Is the inspection result normal?
YES>>Replace BCM. Refer to Removal and Installation.
NO>>Replace key slot. Refer to Removal and Installation.