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Home › Infiniti › 2017 › Q60 Base, AWD › Repair and Diagnosis › Transmission › Automatic Trans › Automatic Transmission (Introduction, Wiring Diagrams And Basic Inspection) › Basic Inspection › How To Erase Permanent DTC › Work Procedure

Work Procedure

  1. CHECK DTC

    Check DTC.

    Is any DTC detected?

    YES 

    Repair malfunction(s) and erase DTC. Refer to DIAGNOSIS DESCRIPTION  or CONSULT FUNCTION .

    NO 

    GO TO STEP 2  .

  2. CHECK PERMANENT DTC

    G-20 With CONSULT

    1. Turn Ignition Switch OFF and wait at least 10 seconds.
    2. Turn Ignition Switch ON.
    3. Turn Ignition Switch OFF and wait at least 10 seconds.
    4. Turn Ignition Switch ON.
    5. Select "PERMANENT DTC STATUS" mode with CONSULT.

    NSM020 With GST

    1. Turn Ignition Switch OFF and wait at least 10 seconds.
    2. Turn Ignition Switch ON.
    3. Turn Ignition Switch OFF and wait at least 10 seconds.
    4. Turn Ignition Switch ON.
    5. Select Service $0A with GST.

    Is any permanent DTC detected?

    YES 

    GO TO STEP 3  .

    NO 

    END

  3. DRIVE DRIVING PATTERN

    Drive the vehicle 3 times under the following conditions.

    1. Turn Ignition Switch ON.
    2. Drive the vehicle and maintain the following conditions.
      • Engine speed reaches 400 RPM or more.
      • Engine coolant temperature reaches 70°C (158°F) or more.
      • Vehicle speed of 70 - 120 km/h (44 - 75 MPH) is maintained for 60 seconds or more under the control of closed loop.
      • Vehicle speed of 30 - 60 km/h (19 - 37 MPH) is maintained for 10 seconds or more under the control of closed loop.
      • Under the closed loop control condition, the following state reaches 12 seconds or more in total: Vehicle speed of 4 km/h (2 MPH) or less with idling condition.
      • The state of driving at 10 km/h (7 MPH) or more reaches 10 minutes or more in total.
      • A lapse of 22 minutes or more after engine start.
    3. Turn Ignition Switch OFF.
    NOTE:

    Drive the vehicle at a constant velocity.

    GO TO STEP 4  .

  4. CHECK PERMANENT DTC

    G-20 With CONSULT

    1. Turn Ignition Switch OFF and wait at least 10 seconds.
    2. Turn Ignition Switch ON.
    3. Turn Ignition Switch OFF and wait at least 10 seconds.
    4. Turn Ignition Switch ON.
    5. Select "PERMANENT DTC STATUS" mode with CONSULT.

    NSM020 With GST

    1. Turn Ignition Switch OFF and wait at least 10 seconds.
    2. Turn Ignition Switch ON.
    3. Turn Ignition Switch OFF and wait at least 10 seconds.
    4. Turn Ignition Switch ON.
    5. Select Service $0A with GST.

    Is any permanent DTC detected?

    YES 

    GO TO STEP 1  .

    NO 

    END

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