Toyota Corolla Cross: Problem Symptoms Table
Toyota Corolla Cross (2022-2025) Service Manual / Vehicle Exterior / Window / Glass / Windshield Deicer 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 windshield deicer system may not operate.
HINT:
- 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.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
|
Symptom | Suspected Area |
Link |
|---|---|---|
| Windshield deicer does not operate |
Refer to the "Windshield Deicer does not Operate". |
|
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Terminals Of Ecu
TERMINALS OF ECU CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY
(a) Disconnect the I49 air conditioning amplifier assembly connector.
(b) Measure the voltage and resistance according to the value(s) in
Data List / Active Test
DATA LIST / ACTIVE TEST ACTIVE TEST HINT:
Using the GTS to perform Active Tests allows relays, VSVs, actuators and other items to be operated without removing any parts. This non-intrusive functional
SEE MORE:
Removal
REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL)
Procedure Part Name Code
1 TAIL EXHAUST PIPE ASSEMBLY
17430 -
- -
2 MAIN MUFFLER HEAT INSULATOR
58327D -
- -
Procedure Part Name Code
Components
COMPONENTS
ILLUSTRATION
*1
NO. 1 ENGINE UNDER COVER ASSEMBLY
*2
REAR ENGINE UNDER COVER LH
*3
REFILL PLUG
*4
OVERFLOW PLUG
*5
OVERFLOW (CVT) TUBE
*6
GAS
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