Check Trunk Opener Switch Circuit

CHECK DATA MONITOR.
Using the Subaru Select Monitor, display the data of «R Gate Release SW input».

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

Does the display switch between OFF ←→ ON when the trunk opener switch is operated?

Yes: The trunk opener switch is normal.

No: Go to 2.
CHECK HARNESS.
1. Disconnect the connectors of body integrated unit and trunk opener switch.
2. Check the harness between the body integrated unit and trunk opener switch.
  Connector & terminal
  
  (i84) No. 10 - (il3) No. 1:
Is harness normal?

Yes: Go to 3.

No: Repair or replace the harness.
CHECK HARNESS.
Measure the resistance between the trunk opener switch connector and chassis ground.

Connector & terminal

(il3) No. 2 - Chassis ground:

Is the resistance less than 10 Ω?

Yes: Go to 4.

No: Repair or replace the harness.
CHECK TRUNK OPENER SWITCH.
Measure the resistance between terminals both when trunk opener switch is pressed and when not pressed.

Terminals

No. 2 - No. 3:

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. Refer to SECURITY AND LOCKS>BODY INTEGRATED UNIT .

No: Replace the trunk opener switch.