Water pump
â–¶ How to fix
Check the water pump. Measurement points 3 and 6 in the connector to the auxiliary heater control unit. Resistance: Approx. 4 Ohm Check the cable harness. Check internal connectors in the auxiliary heater.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
The water pump does not move.
Possible cause
The water pump is short circuited, blocked. Short circuit in the water pump or cable harness.