Water temperature sensor
â–¶ How to fix
Check the water temperature sensor. Measurement points 14 and 18 in the auxiliary heater control unit connector. 650 kohm at -25 °C. 1000 kohm at +25 °C Check the overheating sensor. Measuring points 11 and 17 in the connector for the auxiliary heater control unit 150 kohm at -25 °C 10 kohm at +25 °C
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
The water temperature rises too quickly.
Possible cause
The difference in temperature between the water temperature sensor and overheat sensor is too great.