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Home >> Infiniti >> 2024 >> QX80 Premium Select, AWD >> Repair and Diagnosis >> Transmission >> Transfer Case >> Driveline System >> Basic Inspection >> 4WD System >> Transfer Lock Position Sensor Learning >> Work Procedure

Work Procedure

Description 

Function Description
LOCK SLEEVE SENSOR * INITIALIZE Format learning the transfer lock position sensor written to transfer control unit.
LOCK SLEEVE SENSOR * LEARNING Perform learning the transfer lock position sensor.

*: "LOCK SLEEVE SENSOR" means transfer lock position sensor.

Work Procedure 

NOTE: In fail-safe mode, can not perform work support. (Except that DTC P181F or P182B is detected.)
  1. PREPARATION BEFORE WORK 

    SYMBOL With CONSULT

    1. Continue the following condition at vehicle.
      Engine : Running
      Parking brake : Apply
      Brake pedal : Release
      Electrical system like air conditioner : OFF
      CAUTION:

      Never drive the vehicle.

    2. Check "4WD MODE", "T/M RANGE", "COMPR VHCL SPEED", "MOTOR POWER SUP" of CONSULT "DATA MONITOR" for "ALL MODE AWD/4WD".
    3. Continue the following condition.
      4WD MODE : 4L
      T/M RANGE : N
      COMPR VHCL SPEED : 0 km/h (Never drive the vehicle)
      MOTOR POWER SUP : More than 11 V

    >>

    GO TO 2.

  2. PERFORM LOCK POSITION SENOR LEARNING 

    SYMBOL With CONSULT

    1. Select "LOCK SLEEVE SENSOR LEARNING" of CONSULT "WORK SUPPORT" for "ALL MODE AWD/4WD".
    2. Select "Start".
    3. Wait until the motor operation stop.

    Is "Error" detected?

    YES (within 5 times)>>

    GO TO 1.

    YES (over 5 times)>>

    Transfer assembly is mechanical malfunction. Replace transfer assembly Refer to TRANSFER ASSEMBLY : Removal and Installation .

    NO>>

    GO TO 3.

  3. PERFORM SELF-DIAGNOSIS 

    SYMBOL With CONSULT

    1. Erase self-diagnosis result for "ALL MODE AWD/4WD".
    2. Turn the ignition switch ON to OFF.
      CAUTION:

      Wait for 10 seconds after turning ignition switch OFF.

    3. Start the engine.
      CAUTION:

      Never drive the vehicle.

    4. Perform self-diagnosis for "ALL MODE AWD/4WD".

    Is "DTC P182B" detected?

    YES>>

    GO TO 1.

    NO>>

    WORK END