Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Check Trunk Opener Switch Circuit
2016 Subaru Legacy 2.5iSECTION 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 . |
2 CHECK HARNESS.
|
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. |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.