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Home >> Toyota >> 2004 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 903 (Heater & Air Conditioning Control System) >> DTC/Circuit Diagnosis >> Blower Motor Control System >> Rear Blower Motor Component Function Check >> Inspection Flow >> Overview

Inspection Flow: Overview

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FOR SERVICE BULLETINS 

    Check for any service bulletins.

    : GO TO 2.

  2. CONFIRM SYMPTOM BY PERFORMING REAR BLOWER MOTOR OPERATIONAL CHECK FROM REAR AIR CONTROL (FRONT) 
    1. Turn ignition switch ON.
    2. Turn the rear air control (front) blower control dial to the lowest speed and check for rear blower operation (REAR CTRL indicator off).
    3. Continue checking that rear blower speed increases as the rear blower control dial is rotated clockwise.

      Does the rear blower motor operate correctly? 

      YES: GO TO 3.

      NO: Check the rear blower motor operation. Refer to "REAR BLOWER MOTOR COMPONENT FUNCTION CHECK ".

  3. CONFIRM SYMPTOM BY PERFORMING REAR BLOWER MOTOR OPERATIONAL CHECK FROM REAR AIR CONTROL (REAR) 
    1. Press the REAR CTRL switch (indicator on) on the rear air control (front) to send control of the rear blower motor back the rear air control (rear).
    2. Turn the rear air control (rear) blower control dial to the lowest speed and check for rear blower operation.
    3. Continue checking that rear blower speed increases as the rear blower control dial is rotated clockwise.

      Does the rear blower motor operate correctly? 

      YES: GO TO 4.

      NO:

  4. RECHECK FOR ANY SYMPTOMS 

    Perform a complete operational check for any symptoms. Refer to "OPERATIONAL CHECK (REAR) ".

    Does another symptom exist? 

    YES: Refer to "HOW TO PERFORM TROUBLE DIAGNOSIS FOR QUICK AND ACCURATE REPAIR ".

    NO: Inspection End.