Check Door Switch

Display the following items using Subaru Select Monitor. Ref. to BODY CONTROL (DIAGNOSTICS)>DATA MONITOR .

• [Driver's door SW input]
• [P-door SW input]
• [Rear right door SW input]
• [Rear left door SW input]
• [R Gate SW input]

Does the display switch between [OFF] ←→ [ON] when each door or rear gate is opened/closed?

Yes  : The door switch or the rear gate latch switch is normal.

No  : Go to  2 .

1. Disconnect the connector of body integrated unit.
2. Disconnect the connector of the door switch or the rear gate latch switch that does not show any change on the display.
3. Check the harness between body integrated unit and defective switch.

   Connector and terminal 

   Front door LH 

   (i171) No. 39 - (R9) No. 2:

   Front door RH 

   (i171) No. 13 - (R12) No. 2:

   Rear door LH 

   (i171) No. 14 - (R22) No. 2:

   Rear door RH 

   (i171) No. 27 - (R16) No. 2:

   Rear gate 

   (i171) No. 15 - (D46) No. 2:

   Is harness normal?

   Yes  : Go to  3 .

   No  : Repair or replace the harness.

Measure the resistance between the faulty switch connector and chassis ground.

Connector and terminal 

Front door LH 

(R9) No. 1 - Chassis ground:

Front door RH 

(R12) No. 1 - Chassis ground:

Rear door LH 

(R22) No. 1 - Chassis ground:

Rear door RH 

(R16) No. 1 - Chassis ground:

Rear gate  (D46)

No. 1 - Chassis ground:

Is the resistance less than 10 Ω?

Yes  : Go to  4 .

No  : Repair or replace the harness.

Measure the resistance between faulty switch terminals.

Terminals 

Front LH door switch 

No. 2 - No. 1:

Front RH door switch 

No. 2 - No. 1:

Rear LH door switch 

No. 2 - No. 1:

Rear RH door switch 

No. 2 - No. 1:

Rear gate latch switch 

No. 2 - No. 1:

Is the resistance 1 MΩ or more when the door switch is pushed, or the rear gate is closed?

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

No  : Replace the following faulty parts.

• Door switches
• Rear gate latch and actuator assembly