3239127 - 1056BG Check on operation of engine coolant temperature sensor

Make sure that the ignition is in the OFF position, the disconnect the negative battery terminal (refer to op.   5530B10  battery - r+r ). Disconnect the electrical connection from the engine coolant temperature sensor.

	Name	Connector
-	Engine temperature sender unit	K36

Check that the nominal resistance of the engine coolant temperature sensor corresponds to the recommended value.

The post-modification engine coolant temperature sensor is the "twin NTC" type.The nominal resistance is measured between pins B1 and B2.

	Measurement		Value
-	Nominal resistance (ohm)	at +20°C	2300 - 2600