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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 CAN COMM CIRCUIT" indicated in the results? 

    YES: Check CAN communication line. Refer to DTC U1000 CAN COMMUNICATION LINE .

    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 NAME 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 device connector and combination meter connector.
    3. Check continuity between CVT device harness connector (A) terminal and combination meter harness connector (B) terminal.
      CONNECTOR TERMINAL CONTINUITY CHART

      Item Connector Terminal Continuity
      CVT device harness connector M38 1 Yes
      Combination meter harness connector M24 29
      Fig 1: Checking Continuity Between CVT Device Connector Terminal And Combination Meter Connector Terminal
      G04927080Courtesy of NISSAN MOTOR CO., U.S.A.
    4. Check continuity between CVT device harness connector terminal and ground.
      CONNECTOR TERMINAL CONTINUITY CHART

      Item Connector Terminal Continuity
      CVT device harness connector M38 2 - ground Yes
      Fig 2: Checking Continuity Between CVT Device Connector Terminal 2 And Ground
      G04927081Courtesy 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 WITHOUT INTELLIGENT KEY
    1. Turn ignition switch OFF.
    2. Disconnect CVT device connector and combination meter connector.
    3. Check continuity between CVT device harness connector (A) terminal and combination meter harness connector (B) terminal.
      CONNECTOR TERMINAL CONTINUITY CHART

      Item Connector Terminal Continuity
      CVT device harness connector M38 1 Yes
      Combination meter harness connector M24 29
      Fig 3: Checking Continuity Between CVT Device Connector Terminal And Combination Meter Connector Terminal
      G04927082Courtesy of NISSAN MOTOR CO., U.S.A.
    4. Check continuity between CVT device harness connector terminal and ground.
      CONNECTOR TERMINAL CONTINUITY CHART

      Item Connector Terminal Continuity
      CVT device harness connector M38 2 - ground Yes
      Fig 4: Checking Continuity Between CVT Device Connector Terminal 2 And Ground
      G04927083Courtesy 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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