Rear Air Control System
REAR AIR CONTROL SYSTEMRear Air Control System Description
SYSTEM DESCRIPTION
Component Parts
Rear air control system components are:
- A/C auto amp.
- Rear air control (front)
- Rear air control (rear)
- Air mix door motor (rear)
- Mode door motor (rear)
System Operation
Rear Air Control
When the REAR CTRL indicator is off the rear air control (front) will control all rear blower motor speeds and the rear temperature and mode operations. When the REAR CTRL switch is pressed (indicator on), the rear air control (rear) will control all the rear blower motor speeds and the rear temperature and mode operations.
Rear Air Control Component Function Check
SYMPTOM:
- Temperature cannot be adjusted from the rear air controls.
- Mode cannot be adjusted from the rear air controls.
INSPECTION FLOW
Step 1-2:
Step 2 (Continued)-5:
Air Mix Door Motor (Rear) Diagnosis Procedure
DIAGNOSTIC PROCEDURE FOR INOPERATIVE AIR MIX DOOR MOTOR (REAR)
Step 1-2:
Step 2 (Continued)-6:
Step 6 (Continued)-10:
Step 10 (Continued)-14:
Step 14 (Continued)-16:
Mode Door Motor (Rear) Diagnosis Procedure
DIAGNOSTIC PROCEDURE INOPERATIVE MODE DOOR MOTOR (REAR)