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Home >> Infiniti >> 2021 >> Q50 Pure, AWD >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heater & Air Conditioning Control System (Diagnostics) >> Basic Inspection >> Heater & Air Conditioning Control System >> Additional Service When Replacing A/C Auto Amp. >> Work Procedure >> Heater & Air Conditioning Control System (Diagnostics)
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Heater & Air Conditioning Control System (Diagnostics)

  1. SAVING VEHICLE SPECIFICATION 

    SYMBOL With CONSULT

    1. Turn ignition switch ON.
    2. Select the "HVAC" of "Re/programming, Configuration" with CONSULT.
    3. Select the "Before Replace ECU" of "Read / Write Configuration", and save or print the current vehicle specification. Refer to Work Procedure .
      NOTE: If "Before Replace ECU" of "Read / Write Configuration" cannot be used, use the "Manual Configuration" after replacing A/C auto amp. to write vehicle specification.

    GO TO 2.

  2. REPLACE A/C AUTO AMP. 
    1. Turn ignition switch OFF.
    2. Replace A/C auto amp. Refer to A/C AUTO AMP. : Removal & Installation .

    GO TO 3.

  3. WRITING VEHICLE SPECIFICATION 

    SYMBOL With CONSULT

    1. Turn ignition switch ON.
    2. Select the "HVAC" of "Re/programming, Configuration" with CONSULT.
    3. Select the "Manual Configuration" or "After Replace ECU" of "Read / Write Configuration", and write the vehicle specification into the A/C auto amp. Refer to Work Procedure .

    GO TO 4.

  4. OPERATION CHECK 

    Confirm that each function controlled by A/C auto amp. operates normally.

    WORK END