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Home >> Infiniti >> 2024 >> QX55 Essential >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heater And Air Conditioning Control System (Without Rear Heated Seat) >> Basic Inspection >> Configuration (HVAC) >> Work Procedure

Work Procedure

  1. WRITING VEHICLE SPECIFICATION 
    1. Perform writing vehicle specification.

    When writing saved data>>

    GO TO 2.

    When writing manually>>

    GO TO 3.

  2. PERFORM WRITING SAVED DATA 
    1. SYMBOL CONSULT
      1. Ignition switch ON.
      2. Select the "HVAC" of "Re/programming, Configuration".
      3. Select the "After Replace ECU" of "Read / Write Configuration", and write the vehicle specification into the A/C auto amp.

    >>

    Work End.

  3. PERFORM WRITING MANUALLY 
    1. SYMBOL CONSULT
      1. Ignition switch ON.
      2. Select the "HVAC" of "Re/programming, Configuration".
      3. Select "Manual Configuration", and write the vehicle specification to A/C auto amp. Refer to Configuration List .
        CAUTION:
        • Thoroughly read and understand the vehicle specification. ECU control may not operate normally if the setting is not correct.
        • Make sure to select "OK" even if the indicated configuration of brand new A/C auto amp. is same as the desirable configuration. If not, configuration which is set automatically by selecting vehicle model cannot be memorized.
        NOTE: SYMBOL If items are not displayed, select "Next" → "OK". Refer to Configuration List  for written items and setting value.

    >>

    Work End.