NOX Sensor 1/2
- Disconnect the negative battery cable.
- Raise and support the vehicle. Refer to HOISTING, STANDARD PROCEDURE .
- Remove nuts (2) and NOx sensor 1/2 module cover (1).
- Disconnect the NOx sensor wire harness connector (2).
- Disconnect the wire harness retainers.
- Remove the NOx sensor 1/2 (2) from the Selective Catalytic Reduction (SCR) catalyst.