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 the 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 condition.





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.
With steering lock unit





Without steering lock unit





3.Check continuity between BCM harness connector and ground.
With steering lock unit





Without steering lock unit





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" Push-Button Ignition Switch.

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" Push-Button Ignition Switch.