Blower motor control system
System Diagram
System Description
Fan speed is automatically controlled by the temperature setting, ambient
temperature, in-vehicle temperature,
intake temperature, amount of sunload and air mix door position.
By pressing the AUTO switch, the blower motor starts to gradually increase
a ...
Diagnosis and repair workflow
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.CHECK SYMPTOM
Check the malfunction symptoms by performing the following items.
Interview the customer to obtain the malfunction information
(conditions and environment when the malfunction occurred).
Check the symptom.
2.SELF-DIAGNOSIS (C ...
U1243 display unit
Description
Part name
Description
DISPLAY UNIT
Display image is controlled by the serial communication from AV
control unit.
Inputs the RGB image signal (RGB, RGB area and RGB
synchronizing) from AV control unit and the auxiliary image ...