B2556

Description

The switch changes the power supply position. BCM maintains the power supply position status. BCM
changes the power supply position with the operation of the push-button ignition switch.


DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION PROCEDURE

1.Start the engine and wait 100 seconds or more.
2.Check "Self-diagnosis result" using CONSULT.
Is DTC detected?
YES- Go to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK PUSH-BUTTON IGNITION SWITCH INPUT SIGNAL

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





3.Check continuity between push-button ignition switch 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.