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 the push-button ignition switch under the following conditions, and wait for 1 second or more.

CVT models
- Selector lever is in the P or N position - Do not depress brake pedal

M/T models
- Do not depress clutch pedal

2. Check “Self-diagnosis result” of BCM with CONSULT-III.

Is DTC detected? YES >> Go to PCS-101, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

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

1. Disconnect push-button ignition switch connector and IPDM E/R connector.

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

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 3.

NO >> GO TO 2.

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

1. Disconnect BCM connector.

2. Check continuity between BCM harness connector and push-button ignition switch 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 >> Replace BCM. Refer to BCS-93, "Removal and Installation".

NO >> Repair or replace harness.

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

Check voltage between IPDM E/R harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> Replace IPDM E/R.

NO >> GO TO 4.

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

1. Disconnect BCM connector.

2. Check continuity between IPDM E/R harness connector and push-button ignition switch 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 5.

NO >> Repair or replace harness.

5.CHECK INTERMITTENT INCIDENT

Refer to GI-42, "Intermittent Incident".

>> INSPECTION END

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