Check Door Lock Switch

CHECK DATA MONITOR.
Using the Subaru Select Monitor, display the data of «Manual lock SW input».

NOTE: For detailed operation procedures, refer to "Application help".

Does the display switch between OFF ←→ ON when each door lock switch is moved to LOCK?

Yes: Go to 2.

No: Go to 3.
CHECK DOOR LOCK SWITCH.
From the condition in step 1), operate each door lock switch (driver's and passenger's) in the UNLOCK direction.

Does the display switch between OFF ←→ ON?

Yes: The door lock switch is OK.

No: Go to 4.
CHECK POWER WINDOW MAIN SWITCH (DOOR LOCK SWITCH).
1. Disconnect the power window main switch (door lock switch) connector.
2. Check the continuity between terminals when moving the power window main switch (door lock switch) in LOCK direction.
  Connector & terminal
  
  Driver's side
  
  (D7) No. 3 - (D7) No. 1:
  
  Passenger's side
  
  (D125) No. 4 - (D125) No. 5:
Did the indicator change from "No continuity" (1 MΩ or more) to "Continuity exists" (less than 10 Ω)?

Yes: Go to 4.

No: Replace the power window main switch or door lock switch.
CHECK POWER WINDOW MAIN SWITCH (DOOR LOCK SWITCH).
Check the continuity between terminals when moving the power window main switch (door lock switch) in UNLOCK direction.

Connector & terminal

Driver's side

(D7) No. 9 - (D7) No. 1:

Passenger's side

(D125) No. 2 - (D125) No. 5:

Did the indicator change from "No continuity" (1 MΩ or more) to "Continuity exists" (less than 10 Ω)?

Yes: Go to 5.

No: Replace the power window main switch or door lock switch.
CHECK HARNESS.
Measure the resistance between the power window main switch (door lock switch) connector and chassis ground.

Connector & terminal

Driver's side

(D7) No. 3 - Chassis ground:

Passenger's side

(D125) No. 5 - Chassis ground:

Is the resistance less than 10 Ω?

Yes: Go to 6.

No: Repair or replace the harness.
CHECK HARNESS.
Check the harness between body integrated unit and power window main switch (door lock switch).

Connector & terminal

Driver's side

(D7) No. 3 - (i84) No. 9:

(D7) No. 9 - (i84) No. 20:

Passenger's side

(D125) No. 4 - (i84) No. 9:

(D125) No. 2 - (i84) No. 20:

Is harness normal?

Yes: Replace the body integrated unit. Refer to SECURITY AND LOCKS>BODY INTEGRATED UNIT .

No: Repair or replace the harness.