2.3.4. Coolant temperature

Description

The coolant temperature sensor measures the engine coolant water temperature.

ECU connection

The pin numbers at the ECU:

EDC17CV41+      2.39 analog input
EDC17CV41+      2.59 ground

The pin numbers at the sensor:

Pin 1           Ground
Pin 2           Analog input

The coolant temperature sensor is shown in figure ECU connection EDC17CV41+, Coolant temperature sensor.

ECU connection EDC17CV41+, Coolant temperature sensor

Characteristics

Nominal resistance:

At 20ºC = 2.5 kohm
At 100ºC = 0.186 kohm

The coolant temperature sensor characteristics are shown in figure Characteristics, Coolant temperature sensor.

Characteristics, Coolant temperature sensor