High coolant temperature warning lamp
â–¶ How to fix
Check the wiring and connectors for the high coolant temperature warning lamp. Check the voltage measurement on coordinator pin 6.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
Conflicting signals in the high coolant temperature warning lamp circuit.The fault code is generated: if the lamp comes on even though coordinator pin 6 measures 24 Vif the lamp goes off even though coordinator pin 6 measures 0 V (earthing signal)
Possible cause
Short circuit in the high coolant temperature warning lamp circuit.