B26F9 cranking request circuit - DTC/circuit diagnosis - Security Control System with intelligent key system

Nissan Juke Service and Repair Manual : B26F9 cranking request circuit

Nissan Juke Service and Repair Manual / Security Control System with intelligent key system / DTC/circuit diagnosis / B26F9 cranking request circuit

DTC Logic

DTC DETECTION LOGIC

NOTE

:
• If DTC B26F9 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to BCS-83, "DTC Logic".

• If DTC B26F9 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to BCS-84, "DTC Logic".

DTC CONFIRMATION PROCEDURE

1.PERFORM DTC CONFIRMATION

1. Perform DTC CONFIRMATION PROCEDURE for DTC P1650. Refer to EC-366, "DTC Logic" (MR16DDT) or EC-725, "DTC Logic" (HR16DE).

2. Turn ignition switch ON.

3. Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT-III.

Is DTC detected? YES >> Go to SEC-128, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.CHECK CRANKING REQUEST SIGNAL

1. Turn ignition switch ON.

2. Check voltage between BCM harness connector and ground under the following conditions.

Is the inspection result normal?

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

NO >> GO TO 2.

2.CHECK CRANKING REQUEST SIGNAL CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM connector.

3. Disconnect ECM connector.

4. Check continuity between BCM harness connector and ECM harness connector.

5. Check continuity between BCM harness connector and ground.

Is the inspection result normal?

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

NO >> Repair or replace harness.

3.REPLACE BCM

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

2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT-III.

For initialization and registration procedures, refer to CONSULT-III Operation Manual NATS-IVIS/NVIS.

3. Perform DTC CONFIRMATION PROCEDURE for DTC B26F9. Refer to SEC-128, "DTC Logic".

Is DTC detected? YES >> GO TO 4.

NO >> INSPECTION END

4.REPLACE ECM

Replace ECM.

Refer to EC-447, "Removal and Installation" (MR16DDT) or EC-805, "Removal and Installation" (HR16DE).

>> INSPECTION END

B26F8 BCM

DTC Logic DTC DETECTION LOGIC NOTE: DTC B26F8 can be detected even though the related circuit is not used in this vehicle. DTC CONFIRMATION PROCEDURE 1.PERFORM DTC CONFIRMATION PROCEDURE 1. ...

B26FA cranking request circuit

DTC Logic DTC DETECTION LOGIC NOTE: • If DTC B26FA is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to BCS-83, "DTC Logic". • If DTC B26FA is disp ...

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