Sensor, Particulate Matter: Description
The Particulate Matter (PM) sensor (1) is located in the rear of the Selective Catalyst Reduction (SCR). The function of the PM sensor is to measure the tailpipe soot and to prove the Diesel Particulate Filter (DPF) is working according to On Board Diagnostic (ODB) requirements.
The PM sensor module (4) is only serviceable with the PM sensor, DO NOT try to disconnect wire harness connector (3) from module.