Component Function Check

BLOWER MOTOR CONTROL SYSTEM


Rear Blower Motor Component Function Check


INSPECTION FLOW
SYMPTOM:
- Rear blower motor does not operate from the rear air control (front) and the rear air control (rear).
- Rear blower motor operates from rear air control (front) only.
- Rear blower motor operates in high at all times.

INSPECTION FLOW
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.
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 - Check the rear air control (rear). Refer to Diagnosis Procedure #2.
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 Automatic Air Conditioner.
NO - Inspection End.