Toyota Corolla Cross: System Description
SYSTEM DESCRIPTION
GENERAL
(a) The rear window defogger wire (back door glass) is attached to the inside of the rear window and defogs the window surface quickly when the rear window defogger switch is pressed. The indicator light on the switch illuminates while the system is operating. This system automatically turns off after approximately 15 minutes.
NOTICE:
If the auxiliary battery voltage becomes low, auxiliary battery load control will operate in order to ensure sufficient power is supplied to the power steering system. In this case, the window defogger system may not operate.
HINT:
The window defogger system is linked with the mirror heater function.
FUNCTION OF MAIN COMPONENT
|
Component | Outline |
|---|---|
|
Rear Window Defogger Switch (Air Conditioning Control Assembly) |
Sends signals to the air conditioning amplifier assembly to operate the window defogger system. |
|
Air Conditioning Amplifier Assembly |
Sends a window defogger system activation request signal to the power distribution box assembly. |
|
Power Distribution Box Assembly | Receives a window defogger system activation request signal from the air conditioning amplifier assembly and supplies power to the rear window defogger wire (back door glass). |
|
Rear Window Defogger Wire (Back Door Glass) |
Receives power from the power distribution box assembly and heats the rear window using the rear window defogger wire (back door glass). |
READ NEXT:
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the window defogger system.
*: Use the GTS.
PROCEDURE
1. VEHICLE BROUGHT TO WORKSHOP
NEXT
Operation Check
OPERATION CHECK CHECK WINDOW DEFOGGER SYSTEM NOTICE:
If the auxiliary battery voltage becomes low, auxiliary battery load control will operate in order to ensure sufficient power is supplied to the p
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE: If the auxiliary battery voltage becomes low, auxiliary battery load control will operate in order to ensure sufficient power is supplied to the power steering system. I
SEE MORE:
Brake Pedal Position Sensor Supply Voltage Circuit Voltage Out of Range (C05621C,...,P157A62)
DESCRIPTION
The brake pedal stroke sensor assembly sends the brake pedal
stroke distance to the skid control ECU inside the brake actuator assembly.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
MIL
DTC Output from
Recirculated/Fresh Air Modes do not Switch
DESCRIPTION If the air inlet mode cannot be changed between recirculation/fresh or exhaust gas odors can be smelled even though recirculation mode is selected, the following factors may be the cause.
Symptom Factor
Air inlet mode cannot be changed between recirculation/fresh
