Diagnosis Procedure

1. Turn ignition switch OFF.
2. Disconnect push-button ignition switch connector and IPDM E/R connector E39.
3. Check voltage between push-button ignition switch connector M25 and ground.

   Push-button ignition switch		Ground	Voltage (Approx.)
   Connector	Terminal
   M25	8	-	Battery voltage

Is the inspection result normal?

YES

GO TO 3.

NO

GO TO 2.

1. Disconnect BCM connector M83.
2. Check continuity between BCM connector M83 and push-button ignition switch connector M25.

   BCM		Push-button ignition switch		Continuity
   Connector	Terminal	Connector	Terminal
   M83	55	M25	8	Yes

3. Check continuity between BCM connector M83 and ground.

   BCM		Ground	Continuity
   Connector	Terminal
   M83	55	-	No

Is the inspection result normal?

YES

Replace BCM. Refer to Removal and Installation .

NO

Repair or replace harness or connectors.

Check voltage between IPDM E/R connector E39 and ground.

Is the inspection result normal?

YES

GO TO 5.

NO

GO TO 4.

1. Disconnect BCM connector M83.
2. Check continuity between IPDM E/R connector E39 and push-button ignition switch connector M25.

   IPDM E/R		Push-button ignition switch		Continuity
   Connector	Terminal	Connector	Terminal
   E39	66	M25	8	Yes

3. Check continuity between IPDM E/R connector E39 and ground.

   IPDM E/R		Ground	Continuity
   Connector	Terminal
   E39	66	-	No

Is the inspection result normal?

YES

Replace IPDM E/R. Refer to Removal and Installation .

NO

Repair or replace harness or connectors.

Check continuity between push-button ignition switch connector M25 and ground.

Is the inspection result normal?

YES

GO TO 6.

NO

Repair or replace harness or connectors.

Refer to Component Inspection .

Is the inspection result normal?

YES

Refer to Intermittent Incident .

NO

Replace push-button ignition switch. Refer to Removal and Installation .