Push-Button Ignition Switch

PUSH-BUTTON IGNITION SWITCH

Description

BCM transmits the change in the power supply position with the push-button ignition switch to IPDM E/R via
CAN communication line. IPDM E/R transmits the power supply position status via CAN communication line to
BCM.


Component Function Check


1. CHECK FUNCTION

1.Select "PUSH SW" in "Data Monitor" mode with CONSULT.
2.Check the push-button ignition switch signal under the following conditions.





Is the indication normal?
YES- INSPECTION END.
NO- Go to "Diagnosis Procedure" .


Diagnosis Procedure


1. CHECK PUSH-BUTTON IGNITION SWITCH OUTPUT SIGNAL

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





Is the inspection result normal?
YES- GO TO 3.
NO- GO TO 2.

2. CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT

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





3.Check continuity between BCM harness connector and ground.





Is the inspection result normal?
YES- Replace BCM. Refer to "Removal and Installation" Removal and Installation.
NO- Repair or replace harness.

3. CHECK PUSH-BUTTON IGNITION SWITCH GROUND CIRCUIT

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





Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace harness.

4. CHECK PUSH-BUTTON IGNITION SWITCH

Refer to "Component Inspection" .
Is the inspection result normal?
YES- GO TO 5.
NO- Replace push-button ignition switch. Refer to "Removal and Installation" Removal and Installation.

5. CHECK INTERMITTENT INCIDENT

Refer to "Intermittent Incident" Intermittent Incident.
- INSPECTION END


Component Inspection


1. CHECK PUSH-BUTTON IGNITION SWITCH

1.Turn ignition switch OFF.
2.Disconnect push-button ignition switch connector.
3.Check continuity between push-button ignition switch terminals.





Is the inspection result normal?
YES- INSPECTION END
NO- Replace push-button ignition switch. Refer to "Removal and Installation" Removal and Installation.