1.CHECK DTC WITH IPDM E/R Check “Self diagnostic result” with CONSULT-III. Refer to DTC Index. Is DTC detected? YES>>Repair or replace the malfunctioning parts. NO>>GO TO 2.
2.CHECK IGNITION RELAY INPUT SIGNAL

1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check voltage between BCM harness connector and ground.

   (+) | (–) | Voltage (V) (Approx.)
   BCM
   Connector | Terminal
   M121 | 47 | Ground | Battery voltage

Is the inspection result normal?
YES>>GO TO 4.
NO>>GO TO 3.
3.CHECK IGNITION RELAY (IPDM E/R) CIRCUIT

1. Disconnect IPDM E/R connector.
2. Check continuity between IPDM E/R harness connector and BCM harness connector.

   IPDM E/R | BCM | Continuity
   Connector | Terminal | Connector | Terminal
   E5 | 27 | M121 | 47 | Existed

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

   IPDM E/R | Ground | Continuity
   Connector | Terminal
   E5 | 27 | Not existed

Is the inspection result normal?
YES>>GO TO 4.
NO>>Repair or replace harness.
4.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
>>INSPECTION END