Check Rear Gate Opener Button Circuit

Using the Subaru Select Monitor, display the data of R Gate Release SW input.

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

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 & terminal 

   Model with keyless access with push button start

   (i84) No. 10 - (D77) No. 5:

   Model without keyless access with push button start

   (i84) No. 10 - (D47) No. 1:

Is harness normal?

Yes:  Go to  3

No:  Repair or replace the harness.

Measure the resistance between the rear gate opener button connector and chassis ground.

Connector & terminal 

Model with keyless access with push button start

(D77) No. 6 - Chassis ground:

Model without keyless access with push button start

(D47) No. 2 - Chassis ground:

Is the resistance less than 10 Ω?

Yes:  Go to  4

No:  Repair or replace the harness.

Measure the resistance between terminals both when the rear gate opener button is pressed and when not pressed.

Terminals 

Model with keyless access with push button start

No. 5 - No. 6:

Model without keyless access with push button start

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.