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Diagnosis Procedure

WARNING: This page is about a different car, the 2011 Infiniti EX35. However, it is still accessible from the selected car via links, so may be relevant.
  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 and loose connection (connector side and harness side).
      • Harness connector B1
      • Harness connector M7
      • Harness connector M6
      • Harness connector E106

    Is the inspection result normal? 

    YES: GO TO 2.

    NO: Repair the terminal and connector.

  2. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
    1. Disconnect the harness connectors B1 and M7.
    2. Check the continuity between the harness connector terminals.
    CONTINUITY SPECIFICATION

    Connector No. Terminal No. Continuity
    B1 36 34 Existed
    37 35 Existed

    Is the inspection result normal? 

    YES: GO TO 3.

    NO: Repair the main line between the driver seat control unit and the harness connector B1.

  3. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
    1. Disconnect the harness connectors M6 and E106.
    2. Check the continuity between the harness connectors.
    CONTINUITY SPECIFICATION

    Harness connector Harness connector Continuity
    Connector No. Terminal No. Connector No. Terminal No.
    M7 36 M6 8 Existed
    37 86 Existed

    Is the inspection result normal? 

    YES: GO TO 4.

    NO: Repair the main line between the harness connectors M7 and M6.

  4. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
    1. Disconnect the connector of ABS actuator and electric unit (control unit).
    2. Check the continuity between the harness connector and the ABS actuator and electric unit (control unit) harness connector.
    CONTINUITY SPECIFICATION

    Harness connector ABS actuator and electric unit (control unit) harness connector Continuity
    Connector No. Terminal No. Connector No. Terminal No.
    E106 85 E41 35 Existed
    86 14 Existed

    Is the inspection result normal? 

    YES (Present error): Check CAN system type decision again.

    YES (Past error): Error was detected in the main line between the driver seat control unit and the ABS actuator and electric unit (control unit).

    NO: Repair the main line between the harness connector E106 and the ABS actuator and electric unit (control unit).

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