Hood Switch

HOOD SWITCH





Component Function Check
1.CHECK FUNCTION
1. Select "HOOD SW" in "Data Monitor" mode of "IPDM E/R" using CONSULT-III.
2. Check "HOOD SW" indication under the following condition.





Is the indication normal?
YES - Hood switch is OK.
NO - Go to SEE Diagnosis Procedure.




Diagnosis Procedure
1.CHECK HOOD SWITCH SIGNAL CIRCUIT 1
1. Turn ignition switch OFF.
2. Disconnect hood switch connector.
3. Check voltage between hood switch harness connector and ground.





Is the inspection result normal?
YES - GO TO 3.
NO - GO TO 2.
2.CHECK HOOD SWITCH SIGNAL CIRCUIT 2
1. Disconnect IPDM E/R connector.
2. Check continuity between IPDM E/R harness connector and hood switch harness connector.





3. Check continuity between IPDM E/R harness connector and ground.





Is the inspection result normal?
YES - Replace IPDM E/R. Service and Repair.
NO - Repair or replace harness.
3.CHECK HOOD SWITCH GROUND CIRCUIT
Check continuity between hood switch harness connector and ground.





Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace harness.
4.CHECK HOOD SWITCH
SEE Component Inspection.
Is the inspection result normal?
YES - GO TO 5.
NO - Replace hood switch.
5.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
- INSPECTION END




Component Inspection
1.CHECK HOOD SWITCH
1. Turn ignition switch OFF.
2. Disconnect hood switch connector.
3. Check continuity between hood switch terminals.





Is the inspection result normal?
YES - INSPECTION END
NO - Replace hood switch.