Check Hood Switch

Display the data of [Hood Switch Close-side] and [Hood Switch Open-side] using Subaru Select Monitor. Refer to BODY CONTROL (DIAGNOSTICS)>DATA MONITOR .

Does the display switch between [OFF] ←→ [ON] when the front hood is opened/closed?

Yes:  The hood switch is OK.

No:  Go to  2.

1. Disconnect the connector of body integrated unit.
2. Disconnect the connector of hood switch.
3. Measure the resistance of harness between body integrated unit and hood switch.

   Connector & terminal 

   (B281) No. 3 - (B329) No. 1:

   (i81) No. 7 - (B329) No. 3:

Is the resistance less than 10 Ω?

Yes:  Go to  3.

No:  Repair or replace the harness.

Measure the resistance between the hood switch and chassis ground.

Connector & terminal 

(B329) 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 hood switch terminals.

Terminal 

No. 1 - No. 2

Is the resistance less than 1 Ω when the front hood is closed?

Yes:  Go to  5.

No:  Replace the lock assembly front hood. Refer to SECURITY AND LOCKS>FRONT HOOD LOCK ASSEMBLY .

Measure the resistance between hood switch terminals.

Terminal 

No. 3 - No. 2

Is the resistance less than 1 Ω when the front hood is closed?

Yes:  Replace the body integrated unit. Refer to SECURITY AND LOCKS>BODY INTEGRATED UNIT .

No:  Replace the lock assembly front hood. Refer to SECURITY AND LOCKS>FRONT HOOD LOCK ASSEMBLY .