Check Hood Switch
- CHECK DATA MONITOR
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Display the [Hood Switch Close-side] data using Subaru Select Monitor. Ref. 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 .
- CHECK DATA MONITOR
.
Display the [Hood Switch Open-side] data using Subaru Select Monitor. Ref. to BODY CONTROL (DIAGNOSTICS)>DATA MONITOR .
Does the display switch between [ON] ←→ [OFF] when the front hood is opened ←→ closed?
Yes : The hood switch is OK.
No : Go to 3 .
- CHECK HARNESS
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- Disconnect the connector of body integrated unit.
- Disconnect the connector of hood switch.
- 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 4 .
No : Repair or replace the harness.
- CHECK 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 5 .
No : Repair or replace the harness.
- CHECK HOOD SWITCH (OPEN SIDE)
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Measure the resistance between hood switch terminals.
Terminals
No. 3 - No. 2
Is the resistance less than 1 Ω when the front hood is closed?
Yes : Replace the lock assembly front hood. Ref. to SECURITY AND LOCKS>FRONT HOOD LOCK ASSEMBLY .
No : Replace the body integrated unit. Ref. to SECURITY AND LOCKS>BODY INTEGRATED UNIT .
- CHECK HOOD SWITCH (CLOSED SIDE)
.
Measure the resistance between hood switch terminals.
Terminals
No. 1 - No. 2
Is the resistance less than 1 Ω when the front hood is closed?
Yes : Replace the body integrated unit. Ref. to SECURITY AND LOCKS>BODY INTEGRATED UNIT .
No : Replace the lock assembly front hood. Ref. to SECURITY AND LOCKS>FRONT HOOD LOCK ASSEMBLY .