SYSTEM DESCRIPTION
GENERAL
The windshield deicer thin heater wires are attached to the inside of the windshield glass to help deice the window surface more quickly. The indicator light illuminates while the system is operating. The system automatically turns off after approximately 15 minutes.
NOTICE:
If the battery voltage becomes low, windshield deicer operation is canceled to prioritize supplying power to the power steering system.
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FUNCTION OF MAIN COMPONENT
|
Component |
Outline |
|---|---|
|
Air Conditioning Control Assembly |
Sends signals to the air conditioning amplifier assembly to operate the windshield deicer. |
|
Air Conditioning Amplifier Assembly |
Sends windshield deicer activation request signals to the DEICER relay. |
|
DEICER Relay |
Receives windshield deicer activation request signals from the air conditioning amplifier assembly and supplies power to the windshield glass (windshield deicer). |
|
Windshield Glass (Windshield Deicer) |
Receives power from the DEICER relay and heats the windshield glass (windshield deicer). |
System Diagram
How To Proceed With TroubleshootingToyota CH-R Service Manual > Vehicle Stability Control System: Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
When troubleshooting a vehicle with a diagnosis system, the only difference from
the usual troubleshooting procedure is connecting the Techstream to the vehicle
and reading various data output from the skid control ECU (brake actuator assembly).
The skid control E ...
Toyota CH-R Service Manual > Can Communication System: Check Bus 2 Lines for Short Circuit
DESCRIPTION
There may be a short circuit between the CAN main bus lines and/or CAN branch
lines when the resistance between terminals 18 (CA4H) and 17 (CA4L) of the central
gateway ECU (network gateway ECU) is below 54 Ω.
Symptom
Trouble Area
Resistance ...