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 LH |
|
Cooling fan motor RH |
|
FAN NO. 1 relay |
|
FAN NO. 2 relay |
|
FAN NO. 3 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 | - |
READ NEXT:
ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT
CAUTION:
When working near the engine room while the engine has started or the power source mode is ignition switch to ON, do not touch the rotating
DESCRIPTION The ECM turns on or off the fan relays using signals calculated from the engine coolant temperature, air conditioning switch (on/off), air conditioning refrigerant pressure, engine speed a
On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE
1. INSPECT FOR COOLANT LEAK (for Engine)
CAUTION:
When engine assembly and radiator assembly are hot, do not remove the radiator cap sub-as
SEE MORE:
DESCRIPTION
Using current from the TCM, the shift solenoid valve SL1 controls the C1 clutch
pressure in accordance with the requested shift mode.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
MIL
Memory
No
DESCRIPTION
DTC No. Detection Item
DTC Detection Condition Trouble Area
Warning Indicate Test Mode / Check Mode
B00021A Driver Frontal Stage 2 Deployment Control Circuit Resistance Below Threshold
One of the following conditions is met:
The airbag ECU a