Toyota Corolla Cross: Problem Symptoms Table
Toyota Corolla Cross (2022-2024) Service Manual / Vehicle Exterior / Window / Glass / Window Defogger System / 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. In this case, the window defogger system may not operate.
HINT:
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
|
Symptom | Suspected Area |
Link |
|---|---|---|
| Window defogger system does not operate |
Proceed to the "Rear Window Defogger System does not Operate" |
|
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Terminals Of Ecu
TERMINALS OF ECU CHECK POWER DISTRIBUTION BOX ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
(a) Remove the main body ECU (multiplex network body ECU). Click here
*1 Power Dist
Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST NOTICE:
In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a p
Rear Window Defogger System does not Operate
DESCRIPTION An operation request signal is sent to the air conditioning amplifier assembly via LIN communication when the rear window defogger switch (air conditioning control assembly) is operated. W
SEE MORE:
Multi-axis Acceleration Sensor Module "A" Missing Calibration (C051D54,C121054)
DESCRIPTION
The airbag ECU assembly has a built-in yaw rate and acceleration
sensor and detects the vehicle condition.
The skid control ECU (brake actuator assembly) receives signals
from the yaw rate and acceleration sensor (airbag ECU assembly) via CAN communication.
The DTC is also stored
Removal
REMOVAL CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during engine unit removal/installation are shown below. Necessary Procedures After Parts Removed/Installed/R
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