FixVault

Check Trunk Opener Switch Circuit

DIAGNOSTIC PROCEDURE

Step Check Yes No
1 CHECK DATA MONITOR. 
Using the Subaru Select Monitor, display the data of «R Gate Release SW input». < Ref. to OPERATION , Read Current Data. >
NOTE: For detailed operation procedures, refer to "Application help".
Does the display switch between OFF ←→ ON when the trunk opener switch is operated? The trunk opener switch is normal. Go to step .
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 . 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 . 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.