2.4.2.1. NOx

Description

The NOx sensor measures the nitrogen oxides level from the exhaust gas. The NOx sensors have a critical role in the emission control.

ECU connection

The pin numbers at the ECU:

EDC17CV41+      2.18 CAN vehicle LOW
EDC17CV41+      2.17 CAN vehicle high

The pin numbers at the sensor:

Pin 1           Supply voltage
Pin 2           Ground
Pin 3           CAN Low
Pin 4           CAN High
Pin 5           ID selection

NOTE: The sensor is a CAN -sensor. The ID selection is made by ground connection.

Nox sensor is shown in figure NOx sensor.

NOx sensor