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Diagnosis Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK CAN COMMUNICATION LINE

    Perform the self-diagnosis check. Refer to "CONSULT-III FUNCTION (TRANSMISSION) ".

    Is any malfunction of the "U1000" indicated in the results? 

    YES: Check CAN communication line. Refer to U1000 CAN COMM CIRCUIT .

    NO: GO TO 2.

  2. CHECK OVERDRIVE CONTROL SWITCH SIGNAL

    With CONSULT-III 

    1. Turn ignition switch ON.
    2. Select "ECU INPUT SIGNALS" in "DATA MONITOR" mode for "TRANSMISSION" with CONSULT-III.
    3. Read out ON/OFF switching action of the "SPORT MODE SW".
      ITEM CONDITION CHART

      Item name Condition Display value
      SPORT MODE SW While pushing overdrive cancel switch on
      Other conditions off

    OK or NG 

    OK: INSPECTION END 

    NG: GO TO 3.

  3. CHECK OVERDRIVE CONTROL SWITCH

    Check overdrive control switch. Refer to "COMPONENT INSPECTION "

    OK or NG 

    OK: GO TO 4.

    NG: Repair or replace damaged parts.

  4. CHECK SELF-DIAGNOSTIC RESULTS (COMBINATION METER)

    Perform self-diagnosis check. Refer to "SELF-DIAGNOSIS MODE OF COMBINATION METER ".

    Is any malfunction detected by self-diagnostic? 

    YES: Check the malfunctioning system.

    NO - 1: With intelligent key: GO TO 5.

    NO - 2: Without intelligent key: GO TO  6.

  5. CHECK OVERDRIVE CONTROL SWITCH CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect CVT shift selector connector and combination meter connector.
    3. Check continuity between CVT shift selector harness connector (A) terminal and combination meter harness connector (B) terminal.
      CONTINUITY CHART

      Item Connector Terminal Continuity
      CVT shift selector harness connector M38 1 Yes
      Combination meter harness connector M24 8
      Fig 1: Checking Continuity Between CVT Shift Selector Harness Connector Terminal And Combination Meter Harness Connector Terminal
      G06547837Courtesy of NISSAN MOTOR CO., U.S.A.
    4. Check continuity between CVT shift selector harness connector terminal and ground.
      CONTINUITY CHART

      Item Connector Terminal Continuity
      CVT shift selector harness connector M38 2 - ground Yes
      Fig 2: Checking Continuity Between CVT Shift Selector Harness Connector Terminal And Ground
      G06547838Courtesy of NISSAN MOTOR CO., U.S.A.
    5. If OK, check harness for short to ground and short to power.
    6. Reinstall any part removed.

    OK or NG 

    OK: INSPECTION END 

    NG: Repair open circuit or short to ground or short to power in harness or connectors.

  6. CHECK OVERDRIVE CONTROL SWITCH CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect CVT shift selector connector and combination meter connector.
    3. Check continuity between CVT shift selector harness connector (A) terminal and combination meter harness connector (B) terminal.
      CONTINUITY CHART

      Item Connector Terminal Continuity
      CVT shift selector harness connector M38 1 Yes
      Combination meter harness connector M24 8
      Fig 3: Checking Continuity Between CVT Shift Selector Harness Connector Terminal And Combination Meter Harness Connector Terminal
      G06547839Courtesy of NISSAN MOTOR CO., U.S.A.
    4. Check continuity between CVT shift selector harness connector terminal and ground.
      CONTINUITY CHART

      Item Connector Terminal Continuity
      CVT shift selector harness connector M38 2 - ground Yes
      Fig 4: Checking Continuity Between CVT Shift Selector Harness Connector Terminal And Ground
      G06547840Courtesy of NISSAN MOTOR CO., U.S.A.
    5. If OK, check harness for short to ground and short to power.
    6. Reinstall any part removed.

    OK or NG 

    OK: INSPECTION END 

    NG: Repair open circuit or short to ground or short to power in harness or connectors.

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