Nissan Juke Service and Repair Manual : B20A0 cranking request circuit

DTC Logic

DTC DETECTION LOGIC

NOTE

:
If DTC B20A0 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to PCS- 59, "DTC Logic".

DTC CONFIRMATION PROCEDURE


DTC CONFIRMATION PROCEDURE

1.PERFORM DTC CONFIRMATION PROCEDURE

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 “IPDM E/R” using CONSULT-III.

Is DTC detected? YES >> Refer to SEC-211, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.CHECK CRANKING REQUEST SIGNAL

1. Turn ignition switch ON.

2. Check voltage between IPDM E/R 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 IPDM E/R connector.

3. Disconnect ECM connector.

4. Check continuity between IPDM E/R harness connector and ECM harness connector.

5. Check continuity between BCM harness connector and ground.


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 IPDM E/R

1. Replace IPDM E/R. Refer to PCS-63, "Removal and Installation".

2. Perform DTC CONFIRMATION PROCEDURE for DTC B20A0. Refer to SEC-211, "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

    B209f cranking request circuit
    DTC Logic DTC DETECTION LOGIC NOTE: If DTC B209F is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to PCS- 59, "DTC Logic". DTC CONFIRMATION PROC ...

    B210B starter control relay
    DTC Logic DTC DETECTION LOGIC NOTE: If DTC B210B is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to PCS- 30, "DTC Logic". DTC CONFIRMATION PROC ...

    Other materials:

    Timing chain
    Exploded View 1. Timing chain slack guide 2. Timing chain tensioner 3. Camshaft sprocket (EXH) 4. Camshaft sprocket (INT) 5. Plug 6. Front oil seal 7. Crankshaft pulley 8. Crankshaft pulley bolt 9. Front cover 10. Crankshaft sprocket 11. Crankshaft sprocket key 12. Oil pump sproc ...

    Charging system preliminary inspection
    Inspection Procedure 1.CHECK BATTERY TERMINALS CONNECTION Check if battery terminals are clean and tight. Is the inspection result normal? YES >> GO TO 2. NO >> Repair battery terminals connection. 2.CHECK FUSE Check for blown fuse and fusible link. Is the inspection resu ...

    P1650 starter motor relay 2
    Description ECM controls ON/OFF state of the starter relay, according to the engine and vehicle condition. Models with no Intelligent Key System transmit a control signal directly to IPDM E/R. On the other hand, models with the Intelligent Key System transmit a control signal to IPDM E/R by w ...