Possible DTC: P0115
Actual value for evaluation: Set value, approx. 80°C (with engine warm)
Evaluation display :
A temperature reading ＜ -40°C indicates an open circuit in the signal line
A temperature reading ＞ 120°C indicates a short circuit to GND in the signal
Radiator fan starts up if temperature sensor is defective or plug pulled off.
＊ CC-CODE
C001 (Signal below the lower limit- No signal)
Possible causes of trouble :
Short circuit to GND line Contact resistance WTS defective ECU defective |
C002 (Signal above the upper limit)
Possible causes of trouble :
Short circuit to Bat(+) line, open circuit in wiring WTS defective ECU defective |
C004 (Plausibility error)
After ignition on, cooling water temperature is not arrived at the set value within set time, error is detected.
Possible causes of trouble :
Contact resistance WTS defective ECU defective Thermostat defective |
Measure the resistance of sensor at pin 1 (+) and pin 3 (-)
Set value at 0 ~ 40°C : 1.1 ~ 5.8kΩ
Set value at 60 ~ 100°C : 180 ~ 590Ω
Repeat the measurement directly at sensor if set values are not attained.
If set values are attained at sensor, check wiring from ECU pin 84 and pin 85 to sensor.
