Hood Switch

HOOD SWITCH


Diagnosis Procedure

Regarding Wiring Diagram information, Vehicle Security System.
1.CHECK HOOD SWITCH
Check hood switch and hood fitting condition.
Is the inspection result normal?
YES - GO TO 2
NO - Adjust installation of hood switch.
2.CHECK HOOD SWITCH INPUT SIGNAL
With CONSULT-III
Check "HOOD SW" in "BCM" DATA MONITOR mode with CONSULT-III. CONSULT-III Function.

When hood is open : HOOD SW ON
When hood is closed : HOOD SW OFF

Without CONSULT-III





Check voltage between IPDM E/R harness connector E122 terminal
41 and ground.





Is the inspection result normal?
YES - Hood switch is OK.
NO - GO TO 3
3.CHECK HOOD SWITCH SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector E122 and hood switch connector.





3. Check continuity between IPDM E/R connector (A) E122 terminal 41 and hood switch connector (B) E13 terminal 1.





4. Check continuity between IPDM E/R connector (A) E122 terminal 41 and ground.





Is the inspection result normal?
YES - GO TO 4
NO - Repair or replace harness.
4.CHECK HOOD SWITCH GROUND CIRCUIT
Check continuity between hood switch connector E13 terminal 2 and ground.










Is the inspection result normal?
YES - GO TO 5
NO - Repair or replace harness.
5.CHECK HOOD SWITCH





Check continuity between hood switch terminals 1 and 2.





Is the inspection result normal?
YES - Replace IPDM E/R. Service and Repair.
NO - Replace hood switch.