Diagnosis Procedure

1. Turn ignition switch OFF.
2. Disconnect push-button ignition switch connector and IPDM E/R connector E19.
3. Check voltage between push-button ignition switch connector M38 and ground.

   Push-button ignition switch		Ground	Voltage (Approx.)
   Connector	Terminal
   M38	8	--	Battery voltage

Is the inspection result normal?

YES

GO TO 3 .

NO

GO TO 2 .

1. Disconnect BCM connector M21.
2. Check continuity between BCM connector M21 and push-button ignition switch connector M38.

   BCM		Push-button ignition switch		Continuity
   Connector	Terminal	Connector	Terminal
   M21	1	M38	8	Yes

3. Check continuity between BCM connector M21 and ground.

   BCM		Ground	Continuity
   Connector	Terminal
   M21	1	--	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 E19 and ground.

Is the inspection result normal?

YES

GO TO 5 .

NO

GO TO 4 .

1. Disconnect BCM connector M21.
2. Check continuity between IPDM E/R connector E19 and push-button ignition switch connector M38.

   IPDM E/R		Push-button ignition switch		Continuity
   Connector	Terminal	Connector	Terminal
   E19	38	M38	8	Yes

3. Check continuity between IPDM E/R connector E19 and ground.

   IPDM E/R		Ground	Continuity
   Connector	Terminal
   E19	38	--	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 M38 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 .