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Home >> Nissan-Datsun >> 2002 >> Sentra SE-R, Automatic >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 2074 (LAN System) >> Service Information >> Trouble Diagnosis >> Main Line Between Data Link Connector and ABS Actuator and Electric Unit (Control Unit) >> Inspection Procedure
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Inspection Procedure

WARNING: This page is about a different car, the 2008 Nissan Maxima. 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 M81
    • Harness connector B20
    • Harness connector B3
    • Harness connector E33

    OK or NG 

    OK: GO TO 2.

    NG: Repair the terminal and connector.

  2. CHECK HARNESS CONTINUITY (OPEN CIRCUIT) 
    1. Disconnect the harness connectors M81 and B20.
    2. Check the continuity between the data link connector and the harness connector.
    HARNESS CONTINUITY (OPEN CIRCUIT) - M81 AND B20

    Data link connector Harness connector Continuity
    Connector No. Terminal No. Connector No. Terminal No
    M22 6 M81 9 Yes
    14 25 Yes

    OK or NG 

    OK: GO TO 3.

    NG: Repair the main line between the data link connector and the harness connector M81.

  3. CHECK HARNESS CONTINUITY (OPEN CIRCUIT) 
    1. Disconnect the harness connectors B3 and E33.
    2. Check the continuity between the harness connectors.
    HARNESS CONTINUITY (OPEN CIRCUIT) - B3 AND E33

    Harness connector Harness connector Continuity
    Connector No. Terminal No. Connector No. Terminal No.
    B20 9 B3 1 Yes
    25 2 Yes

    OK or NG 

    OK: GO TO 4.

    NG: Repair the main line between the harness connector B20 and the harness connector B3.

  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.
    • Models with TCS 
      MODELS WITH TCS - CONTINUITY CHART

      Harness connector ABS actuator and electric unit (control unit) harness connector Continuity
      Connector No. Terminal No. Connector No. Terminal No.
      E33 1 E125 22 Yes
      2 9 Yes
    • Models with VDC 
      MODELS WITH VDC - CONTINUITY CHART

      Harness connector ABS actuator and electric unit (control unit) harness connector Continuity
      Connector No. Terminal No. Connector No. Terminal No.
      E33 1 E125 7 Yes
      2 9 Yes

    OK or NG 

    OK:

    • Present error: Check the following items again.
      • Decision of CAN system type.
      • Not received CONSULT-III data (SELECT SYSTEM, SELF-DIAG RESULTS, CAN DIAG SUPPORT MNTR).
      • Not copied from on-board diagnosis.
      • Procedure for detecting root cause.
    • Past error: Error was detected in the main line between the data link connector and the ABS actuator and electric unit (control unit).

    NG: Repair the main line between the harness connector E33 and the ABS actuator and electric unit (control unit) harness connector.

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