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Check Trunk Opener Switch Circuit

WARNING: This page is about a different car, the 2015 Subaru Outback and 2015 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTICS PROCEDURE

Step Check Yes No
1 CHECK CURRENT DATA. 
Using the Subaru Select Monitor, display the data of «R Gate Release SW input». <Ref. to OPERATION , Read Current Data.>
NOTE: For detailed procedures, refer to "PC application help for Subaru Select Monitor".
 Does the display switch between OFF ←→ ON when the trunk opener switch is operated? The trunk opener switch is normal. Go to step 2  .
2 CHECK HARNESS. 
  1. Disconnect the connectors of body integrated unit and trunk opener switch.
  2. Check the harness between the body integrated unit connector and trunk opener switch.

    Connector & terminal 

    (i171) No. 6 - (i258) No. 1: 

 Is harness normal? Go to step 3  . Repair or replace the harness.
3 CHECK HARNESS. 
Measure the resistance between the trunk opener switch connector and chassis ground.
Connector & terminal 
(i258) No. 4 - Chassis ground: 		 Is the resistance less than 10 Ω? Go to step 4  . Repair or replace the harness.
4 CHECK TRUNK OPENER SWITCH. 
Measure the resistance between terminals both when trunk opener switch is pressed and when not pressed.
Terminals 
No. 1 - No. 4: 		 Is the resistance less than 10 Ω when the switch is pressed and 1 MΩ or more when not pressed? Replace the body integrated unit. <Ref. to BODY INTEGRATED UNIT .> Replace the trunk opener switch.
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