With Intelligent Key System

DOOR LOCK AND UNLOCK SWITCH

Component Function Check


1. CHECK FUNCTION

1.Select DOOR LOCK of BCM using CONSULT.
2.Select CDL LOCK SW, CDL UNLOCK SW in DATA MONITOR mode.
3.Check that the function operates normally according to the following conditions.





Is the inspection result normal?
YES- Main power window and door lock/unlock switch is OK.
NO- Refer to "Diagnosis Procedure" .


Diagnosis Procedure

Regarding Wiring Diagram information, refer to "POWER DOOR LOCK SYSTEM : Wiring Diagram" Power Door Lock System.

1. CHECK DOOR LOCK AND UNLOCK SWITCH INPUT SIGNAL

1.Turn ignition switch OFF.
2.Disconnect main power window and door lock/unlock switch connector.
3.Check signal between main power window and door lock/unlock switch harness connector and ground using oscilloscope.





Is the inspection result normal?
YES- GO TO 3.
NO- GO TO 2.

2. CHECK DOOR LOCK AND UNLOCK SWITCH CIRCUIT

1.Disconnect BCM connector.
2.Check continuity between BCM harness connector and main power window and door lock/unlock switch harness connector.





3.Check continuity between BCM harness connector and ground.





Is the inspection result normal?
YES- Replace BCM. Refer to "Removal and Installation" Service and Repair.
NO- Repair or replace harness.

3. CHECK DOOR LOCK AND UNLOCK SWITCH GROUND

Check continuity between main power window and door lock/unlock switch harness connector and ground.





Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace harness.

4. CHECK DOOR LOCK AND UNLOCK SWITCH

Refer to "Component Inspection" .
Is the inspection result normal?
YES- GO TO 5.
NO- Replace main power window and door lock/unlock switch. Refer to "Removal and Installation" Power Window Main Switch.

5. CHECK INTERMITTENT INCIDENT

Refer to "Intermittent Incident" Intermittent Incident.
- Inspection End.


Component Inspection


1. CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH

1.Turn ignition switch OFF.
2.Disconnect main power window and door lock/unlock switch connector.
3.Check continuity between main power window and door lock/unlock switch terminals.





Is the inspection result normal?
YES- Inspection End
NO- Replace main power window and door lock/unlock switch. Refer to "Removal and Installation" Power Window Main Switch.