Info

Reconnect plug connection X3/1 Remove connector of temperature sensor Pull off plugs I and II on the instrument cluster Switch ignition on

Measure the voltage between instrument cluster plug II, pin 5 and Measure the voltage between instrument cluster plug I, pin 24 and Switch off ignition

Ohmmeter on instrument cluster plug I pin 24 and plug on

Ohmmeter on instrument cluster plug II pin 5 and plug on

See also Input signals chapter, Test point 9, and Drive links chapter "Coolant warning light" and "Coolant temperature"

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