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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 1988 (LAN System) >> Can >> Trouble Diagnosis >> Main Line Between TCM and Data Link Connector >> 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 F14
      • Harness connector E5
      • Harness connector E152
      • Harness connector M31

    OK or NG 

    OK: GO TO 2.

    NG: Repair the terminal and connector.

  2. CHECK HARNESS CONTINUITY (OPEN CIRCUIT) 
    1. Disconnect the following harness connectors.
      • A/T assembly connector
      • Harness connector F14 and E5
    2. Check the continuity between the A/T assembly harness connector and the harness connector.
      TERMINALS CONTINUITY REFERENCE

      A/T assembly harness connector Harness connector Continuity
      Connector No. Terminal No. Connector No. Terminal No.
      F9 3 F14 2 Yes
      8 3 Yes

    OK or NG 

    OK: GO TO 3.

    NG: Repair the main line between the A/T assembly and the harness connector F14.

  3. CHECK HARNESS CONTINUITY (OPEN CIRCUIT) 
    1. Disconnect the harness connectors E152 and M31.
    2. Check the continuity between harness connectors.
      TERMINALS CONTINUITY REFERENCE

      Harness connector Harness connector Continuity
      Connector No. Terminal No. Connector No. Terminal No.
      E5 2 E152 52G Yes
      3 51G Yes

    OK or NG 

    OK: GO TO 4.

    NG: Repair the main line between the harness connector E5 and the harness connector E152.

  4. CHECK HARNESS CONTINUITY (OPEN CIRCUIT) 

    Check the continuity between the harness connector and the data link connector.

    TERMINALS CONTINUITY REFERENCE

    Harness connector Data link connector Continuity
    Connector No. Terminal No. Connector No. Terminal No.
    M31 52G M22 6 Yes
    51G 14 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 A/T assembly and the data link connector.

    NG: Repair the main line between the harness connector M31 and the data link connector.

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