Check Door Lock Switch
Wiring diagram:
Door lock control system Ref. to WIRING SYSTEM>DOOR LOCK CONTROL SYSTEM>WIRING DIAGRAM .
- CHECK DATA MONITOR
.
- Turn the ignition switch to ON.
- Using Subaru Select Monitor, display [Manual lock SW input] in [Data monitor] of [Body Control]. Ref. to BODY CONTROL (DIAGNOSTICS)>DATA MONITOR .
Does the display change as [OFF] ←→ [ON] when each door lock switch (driver's and passenger's seats) is moved to LOCK?
Yes: GO TO 2.
No: GO TO 3.
- CHECK DATA MONITOR
.
Using Subaru Select Monitor, display [Manual unlock SW input] in [Data monitor] of [Body Control]. Ref. to BODY CONTROL (DIAGNOSTICS)>DATA MONITOR .
Does the display change as [OFF] ←→ [ON] when each door lock switch (driver's and passenger's seats) is moved to UNLOCK?
Yes: The door lock switch is OK.
No: GO TO 3.
- CHECK DOOR LOCK SWITCH
.
Check the door lock switch. Ref. to SECURITY AND LOCKS>DOOR LOCK SWITCH>INSPECTION .
Is the door lock switch normal?
Yes: GO TO 4.
No: Replace the following faulty parts.
- Driver's side: Replace the power window main switch. Ref. to GLASS/WINDOWS/MIRRORS>POWER WINDOW CONTROL SWITCH .
- Passenger's side: Replace the door lock switch. Ref. to SECURITY AND LOCKS>DOOR LOCK SWITCH .
- CHECK HARNESS
.
Measure the resistance between each door lock switch (driver's and passenger's seats) connector and chassis ground.
Connector & terminal
Driver's side
(Df32) No. 1 - Chassis ground:
Passenger's side
(Df33) No. 3 - Chassis ground:
Is the resistance less than 10 Ω?
Yes: GO TO 5.
No: Repair or replace the defective part.
- CHECK HARNESS
.
Check the harness between body integrated unit and each door lock switch (driver's and passenger's seats).
Connector & terminal
Driver's side
(Df32) No. 9 - (i82) No. 32:
(Df32) No. 8 - (i82) No. 12:
Passenger's side
(Df33) No. 7 - (i82) No. 32:
(Df33) No. 2 - (i82) No. 12:
Is harness normal?
Yes: Replace the body integrated unit. Ref. to BODY CONTROL/COMMUNICATION SYSTEM>BODY INTEGRATED UNIT .
No: Repair or replace the defective part.