BCM (BODY CONTROL SYSTEM) (WITH INTELLIGENT KEY SYSTEM): Diagnosis Procedure

Regarding Wiring Diagram information, refer to "WIRING DIAGRAM ".

1. CHECK FUSE 

   Check that the following fuse is not blown.

   Terminal No.	Signal name	Fuse No.
   161	BCM power supply	7 (10A)

   Is the fuse blown? 

   YES: Replace the blown fuse after repairing the affected circuit.

   NO: GO TO 2.

2. CHECK POWER SUPPLY CIRCUIT 
   1. Disconnect BCM connector M20.
   2. Check voltage between BCM connector M20 and ground.

      BCM		Ground	Voltage (Approx.)
      Connector	Terminal
      M20	161	-	Battery voltage

      Is the inspection result normal? 

      YES: GO TO 3.

      NO: Repair or replace harness or connectors.

3. CHECK GROUND CIRCUIT 

   Check continuity between BCM connector M20 and ground.

   BCM		Ground	Continuity
   Connector	Terminal
   M20	170	-	Yes
   	171

   Is the inspection result normal? 

   YES: Inspection End.

   NO: Repair or replace harness or connectors.