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Diagnosis Procedure

  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 DISPLAY VALUE 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 WITH INTELLIGENT KEY
    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.
      CONNECTOR TERMINAL CONTINUITY CHART

      Item Connector Terminal Continuity
      CVT shift selector harness connector M38 1 Yes
      Combination meter harness connector M24 29
      Fig 1: Checking Continuity Between CVT Shift Selector Harness Connector Terminal And Combination Meter Harness Connector Terminal
      G06552204Courtesy of NISSAN MOTOR CO., U.S.A.
    4. Check continuity between CVT shift selector harness connector terminal and ground.
      CONNECTOR TERMINAL CONTINUITY CHART

      Item Connector Terminal Continuity
      CVT shift selector harness connector M38 2 - ground Yes
    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.

      Fig 2: Checking Continuity Between CVT Shift Selector Harness Connector Terminal 2 And Ground
      G04927081Courtesy of NISSAN MOTOR CO., U.S.A.
  6. CHECK OVERDRIVE CONTROL SWITCH CIRCUIT WITHOUT INTELLIGENT KEY
    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.
      CONNECTOR TERMINAL CONTINUITY CHART

      Item Connector Terminal Continuity
      CVT shift selector harness connector M38 1 Yes
      Combination meter harness connector M24 29
      Fig 3: Checking Continuity Between CVT Shift Selector Harness Connector Terminal And Combination Meter Harness Connector Terminal
      G06552206Courtesy of NISSAN MOTOR CO., U.S.A.
    4. Check continuity between CVT shift selector harness connector terminal and ground.
      CONNECTOR TERMINAL CONTINUITY CHART

      Item Connector Terminal Continuity
      CVT shift selector harness connector M38 2 - ground Yes
    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.

      Fig 4: Checking Continuity Between CVT Shift Selector Harness Connector Terminal 2 And Ground
      G04927083Courtesy of NISSAN MOTOR CO., U.S.A.
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