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:
Vehicle information display
■ Drive information
Displays drive information such as
the following:
Drive information 1
Drive information 2
Displays the following depending
on which drive information
type and drive information items
were selected in
.
After start
Distance: Displays the distance
driven since engine s
Hybrid/EV Battery Stack 2 Cell Circuit Voltage Above Threshold (P1A6017,P31AA17)
DESCRIPTION The HV battery is composed of 60 cells (3.7 V each) in series. The battery ECU assembly monitors the voltage of each HV battery cell to detect malfunctions of the HV battery.
DTC No. Detection Item
DTC Detection Condition
Trouble Area MIL
Warning Indicate N
