4.3.10. Exhaust gas temperature sensor

Description

There are two sensors in an exhaust line. The first is before the SCR catalyst and the second is after. The sensors are similar on both sides of the catalyst. In the EGR engines, an exhaust gas temperature sensor is used to measure the EGR gas temperature and is connected to the same pins with the upstream temperature sensor.

The AGCO Power part number: 837074294

ECU connection

The pin numbers at the ECU:

Downstream:
EDC17CV54       K56 Analog input
EDC17CV54       K55 Ground
EDC17CV41       1.09 Analog input
EDC17CV41       1.10 Ground

Upstream:
EDC17CV54       K81 Analog input
EDC17CV54       K82 Ground
EDC17CV41       1.31 Analog input
EDC17CV41       1.10 Ground
../../_images/EGT_sensor.jpg

ECU connection EDC17CV54, Exhaust gas temperature sensor

Characteristics

Nominal resistance:

At 25ºC = 201 ohm
At 200ºC = 350 ohm
../../_images/EGT_char.jpg

Characteristics, Exhaust gas temperature sensor

Engine sensors overview, see Engine sensors overview