Nissan Juke Service and Repair Manual : ECM branch line circuit

Diagnosis Procedure

1.CHECK CONNECTOR

1. Turn the ignition switch OFF.

2. Disconnect the battery cable from the negative terminal.

3. Check the terminals and connectors of the ECM for damage, bend and loose connection (unit side and connector side).

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

NO >> Repair the terminal and connector.

2.CHECK HARNESS FOR OPEN CIRCUIT

1. Disconnect the connector of ECM.

2. Check the resistance between the ECM harness connector terminals.

- HR16DE models

- MR16DDT models


- MR16DDT models

- K9K models


- K9K models

Is the measurement value within the specification?


Is the measurement value within the specification? YES >> GO TO 3.

NO >> Repair the ECM branch line.

3.CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the ECM. Refer to the following.

HR16DE: EC-566, "Diagnosis Procedure" MR16DDT: EC-155, "Diagnosis Procedure" K9K: EC-885, "Diagnosis Procedure"

Is the inspection result normal? YES (Present error)>>Replace the ECM. Refer to the following.

HR16DE: EC-805, "Removal and Installation" MR16DDT: EC-447, "Removal and Installation" K9K: EC-879, "Work Procedure"

YES (Past error)>>Error was detected in the ECM branch line.

NO >> Repair the power supply and the ground circuit.

    Main line betweeN DLC and MDU circuit
    Diagnosis Procedure 1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT) 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Disconnect the following harness conne ...

    4WD branch line circuit
    Diagnosis Procedure 1.CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the following terminals and connectors for damage, bend ...

    Other materials:

    Precaution
    Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" The Supplemental Restraint System such as AIR BAG and SEAT BELT PRE-TENSIONER, used along with a front seat belt, helps to reduce the risk or severity of injury to the driver a ...

    Door request switch
    Component Function Check 1.CHECK FUNCTION 1. Select INTELLIGENT KEY of BCM using CONSULT-III. 2. Select REQ SW-DR, REQ SW-AS in DATA MONITOR mode. 3. Check that the function operates normally according to the following conditions. Is the inspection result normal? YES >> Fro ...

    C1111 ABS motor, motor relay system
    DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PRECONDITIONING If DTC CONFIRMATION PROCEDURE has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test. >> GO TO 2. 2.CHECK DTC DETECTION With CONSULT ...