Overheat sensor
â–¶ How to fix
Check the overheating sensor. Measurement points 11 and 17 in the auxiliary heater control unit connector. Resistance: 150 kohm at -25 °C10 kOhm at +25 °C.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
Prohibited voltage level in overheat sensor circuit.
Possible cause
Interruption in the overheating sensor circuit.