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-III.
2. Check the push-button ignition switch signal under the following conditions.

Is the indication normal?
YES - INSPECTION END.
NO - Go to SEE 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. 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
SEE Component Inspection.
Is the inspection result normal?
YES - GO TO 5.
NO - Replace push-button ignition switch. Removal And Installation.
5.CHECK 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. Removal And Installation.