B261A

B261A PUSH-BUTTON IGNITION SWITCH

DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PERFORM SELF DIAGNOSTIC RESULT

1.Press the push-button ignition switch under the following conditions, and wait for at least 1 second.
-CVT selector lever is in the P (park) or N (neutral) position.
-Release the brake pedal.
2.Perform self diagnostic result.
Is DTC B261A detected?
YES- Refer to "Diagnosis Procedure" .
NO- Inspection End.


Diagnosis Procedure

Regarding Wiring Diagram information, refer to "Wiring Diagram" Power Distribution System.

1. CHECK PUSH-BUTTON IGNITION SWITCH OUTPUT SIGNAL (PUSH-BUTTON IGNITION SWITCH)

1.Disconnect push-button ignition switch connector.
2.Check voltage between push-button ignition switch connector M38 terminal 8 and ground.





Is the inspection result normal?
YES- GO TO 2.
NO- GO TO 4.

2. CHECK IGNITION SWITCH OUTPUT SIGNAL (IPDM E/R)

Check voltage between IPDM E/R connector E63 terminal 38 and ground.





Is the inspection result normal?
YES- GO TO 3.
NO- Replace IPDM E/R. Refer to "Removal and Installation" Service and Repair.

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

1.Turn ignition switch OFF.
2.Disconnect IPDM E/R connector E63 and BCM connector M17.
3.Check continuity between IPDM E/R connector E63 terminal 38 and push-button ignition switch connector
M38 terminal 8.





4.Check continuity between IPDM E/R connector E63 terminal 38 and ground.





Is the inspection result normal?
YES- Refer to "Intermittent Incident" Intermittent Incident.
NO- Repair or replace harness or connectors.

4. CHECK IGNITION SWITCH OUTPUT SIGNAL (BCM)

Check voltage between BCM connector M17 terminal 1 and ground.





Is the inspection result normal?
YES- GO TO 5.
NO- Replace BCM. Refer to "Removal and Installation" Service and Repair.

5. CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (BCM)

1.Turn ignition switch OFF.
2.Disconnect BCM connector M17 and IPDM E/R connector E63.
3.Check continuity between BCM connector M17 terminal 1 and push-button ignition switch connector M38
terminal 8.





4.Check continuity between BCM connector M17 terminal 1 and ground.





Is the inspection result normal?
YES- Refer to "Intermittent Incident" Intermittent Incident.
NO- Repair or replace harness or connectors.