B2556

B2556 PUSH-BUTTON IGNITION SWITCH

Description

The switch that 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 for at least 100 seconds.
2.Check "Self diagnostic result" with CONSULT.
Is DTC detected?
YES- Go to .
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. Removal And Installation.
NO- Repair or replace harness or connector.

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 or connector.

4. CHECK PUSH-BUTTON IGNITION SWITCH

.
Is the inspection result normal?
YES- GO TO 5.
NO- Replace push-button ignition switch. Push-Button Ignition Switch.

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. Push-Button Ignition Switch.