Power Distribution System

B261A 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.


DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION PROCEDURE

1.Press the push-button ignition switch under the following conditions, and wait for 1 second or more.
-Selector lever is in the P or N position.
-Do not depress brake pedal.
2.Check "Self diagnostic result" with CONSULT.
Is DTC detected?
YES- Go to .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK BCM OUTPUT

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





Is the inspection result normal?
YES- GO TO 2.
NO- Replace IPDM E/R. Removal And Installation.

2. CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (IPDM E/R)

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





3.Check continuity between IPDM E/R harness connector and ground.





Is the inspection result normal?
YES- Replace BCM. Removal And Installation.
NO- Repair or replace harness or connector.