Toyota Corolla Cross: 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.
Cooling Fan System
|
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 |
|
READ NEXT:
ON-VEHICLE INSPECTION PROCEDURE
1. INSPECT COOLING FAN SYSTEM CAUTION: To prevent injury due to contact with an operating cooling fan, keep your hands and clothing away from the cooling fan when ins
DESCRIPTION The ECM calculates an appropriate cooling fan speed based on the engine coolant temperature, air conditioning switch status, refrigerant pressure, engine speed and vehicle speed, and sends
On-vehicle InspectionON-VEHICLE INSPECTION CAUTION / NOTICE / HINT
CAUTION: Do not remove the reserve tank cap and air release valve while the engine and radiator assembly are still hot. Pressurized
SEE MORE:
Your vehicle is equipped with a
tire pressure warning system
that uses tire pressure warning
valves and transmitters to detect low tire inflation pressure before
serious problems arise.
The tire pressure warning system
of this vehicle adopts a
2-type warning system.
When "Adjust Pressure" is
dis
DESCRIPTION
The purpose of this circuit is to prevent the engine from stalling when the brakes
are suddenly applied while driving with lock-up on.
When the brake pedal is depressed, the stop light switch assembly sends a signal
to the TCM. Then the TCM cancels the operation of the lock-up clut