Nissan Juke Service and Repair Manual : B261A Push-button ignition switch

DTC Logic

DTC DETECTION LOGIC

NOTE

:
• If DTC B261A is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to BCS-83, "DTC Logic".

• If DTC B261A is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to BCS-84, "DTC Logic".

DTC CONFIRMATION PROCEDURE


DTC CONFIRMATION PROCEDURE

1.PERFORM DTC CONFIRMATION PROCEDURE

1. Press push-button ignition switch for 1 second under the following condition .

- Selector lever: In the P position - Brake pedal: Not depressed 2. Release push-button ignition switch and wait 1 second.

3. Check DTC in “Self diagnostic result” mode of “BCM” using CONSULT-III.

Is DTC detected? YES >> Go to SEC-106, "Diagnosis Procedure" NO >> INSPECTION END

Diagnosis Procedure

1.CHECK PUSH-BUTTON IGNITION SWITCH POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect push-button ignition switch connector.

3. Disconnect IPDM E/R connector.

4. Check voltage between push-button ignition switch harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 2.

NO >> GO TO 3.

2.CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT 1

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

2. Check continuity between push-button ignition switch harness connector and


2. Check continuity between push-button ignition switch harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> Replace IPDM E/R. Refer to PCS-34, "Removal and Installation".

NO >> Repair harness or connector.

3.CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT 2

1. Disconnect BCM 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


3. Check continuity between push-button ignition switch harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 4.

NO >> Repair harness or connector.

4.REPLACE BCM

1. Replace BCM. Refer to BCS-93, "Removal and Installation".

2. Perform initialization of BCM using CONSULT-III.

For initialization procedure, refer to CONSULT-III Operation Manual NATS-IVIS/NVIS.

>> INSPECTION END

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