Diagnosis Procedure

1. Turn ignition switch OFF.
2. Disconnect trunk key cylinder switch connector.
3. Check voltage between trunk key cylinder switch harness connector and ground.

   (+)		(-)	Voltage (Approx.)
   Trunk key cylinder switch
   Connector	Terminal
   T6	2	Ground	12 V

   Is the inspection result normal? 

   YES: GO TO  4.

   NO: GO TO 2.

1. Disconnect BCM connector.
2. Check continuity between BCM harness connector and trunk key cylinder switch harness connector.

   BCM		Trunk key cylinder switch		Continuity
   Connector	Terminal	Connector	Terminal
   M121	41	T6	2	Existed

3. Check continuity between BCM harness connector and ground.

   BCM		Ground	Continuity
   Connector	Terminal
   M121	41		Not existed

   Is the inspection result normal? 

   YES: GO TO 3.

   NO: Repair or replace harness.

1. Replace BCM. Refer to "REMOVAL AND INSTALLATION ".
2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.

   : INSPECTION END

Check continuity between trunk key cylinder switch harness connector and ground.

Is the inspection result normal? 

YES: GO TO 5.

NO: Repair or replace harness.

Refer to "COMPONENT INSPECTION ".

Is the inspection result normal? 

YES: GO TO 6.

NO: Replace trunk key cylinder switch.

Refer to "INTERMITTENT INCIDENT ".

: INSPECTION END