Toyota Corolla Cross: Problem Symptoms Table
Toyota Corolla Cross (2022-2025) Service Manual / Engine & Hybrid System / M20a-fks (cooling) / Cooling Fan System / Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
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 related to this system before inspecting the suspected areas below.
|
Symptom | Suspected Area |
Link |
|---|---|---|
| Cooling fans do not operate |
Engine coolant temperature sensor |
|
|
Cooling fan motor | - | |
|
ECM power source circuit |
| |
|
Wire harness | - | |
|
ECM |
| |
|
Cooling fan does not operate (Cooling fan motor) |
Cooling fan circuit |
|
|
Cooling fans do not stop (continue to operate) |
Engine coolant temperature sensor |
|
|
Wire harness | - | |
|
Cooling fan motor | - | |
|
ECM |
| |
|
Cooling fan does not stop (continues to operate)(Cooling fan motor) |
Cooling fan circuit |
|
|
Cooling fan speed does not change |
Cooling fan circuit |
|
|
ECM |
|
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