| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM100000001HBGK |
| Model Year Start: 2020 | Model: Corolla | Prod Date Range: [01/2019 - ] |
| Title: 2ZR-FXE (COOLING): COOLING FAN SYSTEM: PROBLEM SYMPTOMS TABLE; 2020 - 2025 MY Corolla Corolla HV [01/2019 - ] | ||
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.
Cooling Fan System
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Cooling fans do not operate |
Engine coolant temperature sensor |
- |
|
Cooling fan motor LH |
|
|
|
Cooling fan motor RH |
|
|
|
FAN NO. 1 relay |
|
|
|
FAN NO. 2 relay |
|
|
|
FAN NO. 3 relay |
|
|
|
No. 1 integration relay |
|
|
|
Cooling fan circuit |
|
|
|
ECM |
- |
|
|
Cooling fans do not stop (continue to operate) |
Engine coolant temperature sensor |
- |
|
Cooling fan circuit |
|
|
|
FAN NO. 1 relay |
|
|
|
FAN NO. 2 relay |
|
|
|
FAN NO. 3 relay |
|
|
|
Cooling fan motor LH |
|
|
|
Cooling fan motor RH |
|
|
|
ECM |
- |
|
|
Cooling fans speed does not change |
FAN NO. 2 relay |
|
|
Cooling fan circuit |
|
|
|
ECM |
- |
![2020 - 2025 MY Corolla Corolla HV [01/2019 - ]; 2ZR-FXE (COOLING): COOLING FAN MOTOR: ON-VEHICLE INSPECTION](/t3Portal/stylegraphics/info.gif)
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