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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 812 (LAN System) >> Can >> Trouble Diagnosis >> Main Line Between Data Link Connector and ABS Actuator and Electric Unit >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2007 Nissan Pathfinder. 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 M91
      • Harness connector E26

    OK or NG 

    OK: GO TO 2.

    NG: Repair the terminal and connector.

  2. CHECK HARNESS CONTINUITY (OPEN CIRCUIT) 
    1. Disconnect the harness connectors M91 and E26.
    2. Check the continuity between the data link connector and the harness connector.
      TERMINALS CONTINUITY REFERENCE

      Data link connector Harness connector Continuity
      Connector No. Terminal No. Connector No. Terminal No.
      M22 6 M91 11 Yes
      14 10 Yes

    OK or NG 

    OK: GO TO 3.

    NG: Repair the main line between the data link connector and the harness connector M91.

  3. 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.
      TERMINALS CONTINUITY REFERENCE

      Harness connector ABS actuator and electric unit (control unit) harness connector Continuity
      Connector No. Terminal No. Connector No. Terminal No.
      E26 11 E125 11 Yes
      10 15 Yes

    OK or NG 

    OK:

    • Present error: Check the following items again.
      • Decision of CAN system type.
      • Not received CONSULT-II 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 E26 and the ABS actuator and electric unit (control unit).