1.CHECK HOOD SWITCH CIRCUIT

1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector E9 and hood switch connector.
3. Check continuity between IPDM E/R harness connector and hood switch harness connector.

   IPDM E/R | Hood switch | Continuity
   Connector | Terminal | Connector | Terminal
   E9 | 104 | E83 | 2 | Existed

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

   IPDM E/R | Ground | Continuity
   Connector | Terminal
   E9 | 104 | Not existed

Is the inspection result normal?
YES>>GO TO 2.
NO>>Repair or replace harness.
2.CHECK IPDM E/R OUTPUT

1. Connect IPDM E/R connector.
2. Check voltage between IPDM E/R harness connector and ground.

(+) | (–) | Voltage (V) (Approx.)
IPDM E/R
Connector | Terminal
E9 | 104 | Ground | Battery voltage

Is the inspection result normal?
YES>>GO TO 3.
NO>>Replace IPDM E/R. Refer to Removal and Installation.
3.CHECK HOOD SWITCH
Refer to Component Inspection.
Is the inspection result normal?
YES>>GO TO 4.
NO>>Replace hood switch.
4.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
>>INSPECTION END