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Diagnosis Procedure: Notes

WARNING: This page is about a different variant/trim than selected.
  1. CHECK INPUT SIGNAL

    With CONSULT-III 

    1. Start engine.
    2. Select "MAIN SIGNALS" in "DATA MONITOR" mode for "TRANSMISSION" with CONSULT-III.
    3. Read out the value of "ISOLT3".
      ITEM CONDITION CHART

      Item name Condition Display value (Approx.)
      ISOLT3 Secondary pressure low -
      Secondary pressure high      		 0.8 - 0.0 A

    Without CONSULT-III 

    1. Start engine.
    2. Check voltage between TCM connector terminal and ground.
      VOLTAGE SPECIFICATION

      Name Connector Terminal Condition Voltage (Approx.)
      Secondary pressure solenoid valve E31 2 - ground Release your foot from the accelerator pedal. 5.0 - 7.0 V
      Press the accelerator pedal all the way down. 3.0 - 4.0 V
      Fig 1: Checking Voltage Between TCM Connector Terminal And Ground
      G04916129Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Turn ignition switch OFF.
    4. Disconnect TCM connector.
    5. Check if there is continuity between connector terminal and ground.

    OK or NG 

    OK: GO TO  5.

    NG: GO TO 2.

  2. CHECK SECONDARY PRESSURE SOLENOID VALVE CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect TCM connector.
    3. Check resistance between TCM connector terminal and ground.
      RESISTANCE REFERENCE

      Solenoid valve Connector Terminal Resistance (Approx.)
      Secondary pressure solenoid valve E31 2 - Ground 3 - 9 Ω
      Fig 2: Checking Resistance Between TCM Connector Terminal And Ground
      G04916130Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO  5.

    NG: GO TO 3.

  3. CHECK VALVE RESISTANCE
    1. Turn ignition switch OFF.
    2. Disconnect CVT unit harness connector.
    3. Check resistance between CVT unit harness connector terminal and ground.
      RESISTANCE REFERENCE

      Solenoid valve Connector Terminal Resistance (Approx.)
      Secondary pressure solenoid valve F46 3 - Ground 3 - 9 Ω
      Fig 3: Checking Resistance Between CVT Unit Harness Connector Terminal And Ground
      G04916131Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 4.

    NG: Repair or replace damaged parts.

  4. CHECK HARNESS BETWEEN TCM AND SECONDARY PRESSURE SOLENOID VALVE
    1. Turn ignition switch OFF.
    2. Disconnect TCM connector and CVT unit harness connector.
    3. Check continuity between TCM connector terminal and CVT unit harness connector terminal.
      CONTINUITY CHART

      Item Connector Terminal Continuity
      TCM connector E31 2 Yes
      CVT unit harness connector F46 3
      Fig 4: Checking Continuity Between TCM Connector Terminal And CVT Unit Harness Connector Terminal
      G04916132Courtesy of NISSAN MOTOR CO., U.S.A.
    4. If OK, check harness for short to ground and short to power.
    5. Reinstall any part removed.

    OK or NG 

    OK: GO TO 5.

    NG: Repair or replace damaged parts.

  5. CHECK DTC

    Perform "DTC CONFIRMATION PROCEDURE ".

    OK or NG 

    OK: INSPECTION END 

    NG: GO TO 6.

  6. CHECK TCM
    1. Check TCM input/output signals. Refer to "TCM TERMINAL AND REFERENCE VALUE ".
    2. If NG, re-check TCM pin terminals for damage or loose connection with harness connector.

    OK or NG 

    OK: INSPECTION END 

    NG:

    1. Repair or replace damaged parts.
    2. Replace the transaxle assembly. Refer to "REMOVAL AND INSTALLATION ".
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