Driver Side

DOOR LOCK AND UNLOCK SWITCH:_:DRIVER SIDE





Description
Transmits door lock/unlock operation to BCM.




Component Function Check
1.CHECK FUNCTION
With CONSULT-III
Check CDL LOCK SW, CDL UNLOCK SW in "DATA MONITOR" mode with CONSULT-III.





Is the inspection result normal?
YES - Door lock and unlock switch is OK.
NO - With LH and RH anti-pinch, SEE Diagnosis Procedure (With LH and RH Anti-Pinch).
NO - With LH anti-pinch only, .




Diagnosis Procedure (With LH and RH Anti-Pinch)
Regarding Wiring Diagram information, [1][2]Electrical Diagrams.
1.CHECK POWER WINDOW SWITCH OUTPUT SIGNAL





1. Read voltage signal between BCM connector and ground with oscilloscope when door lock and unlock switch (driver side) is turned "LOCK" or "UNLOCK".
2. Check that signal shown in the figure below can be detected during 10 second just after door lock and unlock switch (driver side) is turned "LOCK" or "UNLOCK".





Is the inspection result normal?
YES - GO TO 4
NO - GO TO 2
2.CHECK POWER WINDOW SWITCH GROUND
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 connector and ground.





Is the inspection result normal?
YES - GO TO 3
NO - Repair or replace harness.
3.CHECK POWER WINDOW SERIAL LINK CIRCUIT
1. Disconnect BCM connector.





2. Check continuity between BCM connector M18 (A) terminal 40 and main power window and door lock/unlock switch connector
D8 (B) terminal 14.





3. Check continuity between BCM connector M18 (A) terminal 40 and ground.





Is the inspection result normal?
YES - GO TO 4
NO - Repair or replace harness.
4.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
- Inspection End.




Diagnosis Procedure (With LH Anti-Pinch Only)
Regarding Wiring Diagram information, [1][2]Electrical Diagrams.
1.CHECK POWER WINDOW SWITCH OUTPUT SIGNAL
1. Turn ignition switch ON.





2. Check voltage at the main power window and door lock/unlock switch connector when the switch (driver side) is turned to "LOCK" or "UNLOCK".





Is the inspection result normal?
YES - GO TO 5
NO - GO TO 2
2.CHECK POWER WINDOW SWITCH GROUND
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 connector and ground.





Is the inspection result normal?
YES - GO TO 3
NO - Repair or replace harness.
3.CHECK POWER WINDOW SWITCH





Check continuity between main power window and door lock/unlock switch terminals.





Is the inspection result normal?
YES - GO TO 4
NO - Replace main power window and door lock/unlock switch. LH Only Window Anti-Pinch.
4.CHECK POWER WINDOW SWITCH CIRCUITS
1. Disconnect BCM connector.





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





3. Check continuity between BCM connector and ground.





Is the inspection result normal?
YES - GO TO 5
NO - Repair or replace harness.
5.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
- Inspection End.