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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1075 (Heater & Air Conditioning Control System (Automatic Air Conditioner)) >> DTC/Circuit Diagnosis >> Rear Air Control System >> Rear Air Control Component Function Check >> Inspection Flow

Inspection Flow

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
  1. CONFIRM SYMPTOM BY PERFORMING REAR AIR CONTROL (FRONT) OPERATIONAL CHECK
    1. Press AUTO switch (rear air controls only operate when front blower is on).
    2. Turn the rear blower motor to maximum speed from the rear air control (front).
    3. Turn rear air control (front) temperature/mode control dial clockwise and then counterclockwise (REAR CTRL indicator off).
    4. Check for hot air at rear foot discharge air outlets in the maximum heat position and cold air at rear roof discharge air outlets in the maximum cold position.

      Does the rear air control (front) operate properly? 

      YES: GO TO 2.

      NO: Check rear air control (front). Refer to "REAR AIR CONTROL (FRONT) DIAGNOSIS PROCEDURE ".

  2. CONFIRM SYMPTOM BY PERFORMING REAR AIR CONTROL (REAR) OPERATIONAL CHECK
    1. Press the REAR CTRL switch on rear air control (front) to send control to the rear air control (rear).
    2. Turn the rear blower motor to maximum speed from the rear air control (rear).
    3. Turn rear air control (rear) temperature/mode control dial slowly clockwise and then counterclockwise (REAR CTRL indicator on).
    4. Check for hot air at rear foot discharge air outlets in the maximum heat position and cold air at rear roof discharge air outlets in the maximum cold position.

      Does the rear air control (rear) operate properly? 

      YES: Inspection End.

      NO: Check rear air control (rear). Refer to "REAR AIR CONTROL (REAR) DIAGNOSIS PROCEDURE ".