Check Rear Gate Opener Button Circuit

CHECK DATA MONITOR.
Display the [R Gate Release SW input] data using Subaru Select Monitor. Ref. to BODY CONTROL (DIAGNOSTICS)>DATA MONITOR>OPERATION .

NOTE: For detailed operation procedures, refer to "Help" of application.

Does the display change to [OFF] ↔ [ON], when the rear gate opener button is operated?

Yes: Rear gate opener button is normal.

No: Go to 2.
CHECK HARNESS.
1. Disconnect the connectors of body integrated unit and rear gate opener button.
2. Check the harness between the body integrated unit and rear gate opener button.
  Connector and terminal.
  
  Model without keyless access with push button start.
  
  (i171) No. 6 - (D47) No. 1:
  
  Model with keyless access with push button start.
  
  (i171) No. 6 - (D77) No. 1:
Is harness normal?

Yes: Go to 3.

No: Repair or replace the harness.
CHECK HARNESS.
Measure the resistance between the rear gate opener button connector and chassis ground.

Connector and terminal.

Model without keyless access with push button start.

(D47) No. 2 - Chassis ground:

Model with keyless access with push button start.

(D77) No. 2 - Chassis ground:

Is the resistance less than 10 Ω?

Yes: Go to 4.

No: Repair or replace the harness.
CHECK REAR GATE OPENER BUTTON.
Measure the resistance between terminals both when the rear gate opener button is pressed and when not pressed.

Terminals

No. 1 - No. 2:

Is the resistance less than 10 Ω when the switch is pressed and 1 MΩ or more when not pressed?

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

No: Replace the rear gate opener button.