ENGINE
L3301, L3901, L4701, WSM
1-M24
Air Flow Sensor
The amount of air intake required for control of the
EGR valve used to reduce NOx is measured.
9Y1211012ENM0044US0
Temperature Sensor
This is mounted on the DPF muffler and the DPF
muffler DOC intake, DPF intake, and DPF discharge
exhaust temperature, needed for the post processing
system, are measured.
9Y1211012ENM0045US0
Differential Pressure Sensor
The differential pressure sensor is a sensor that
detects the pressure differential between the inlet and
the outlet of the DPF.
The engine ECU calculates the amount of
accumulated PM in the DPF using this signal.
9Y1211012ENM0046US0
(1) Temperature Sensor
(1) Differential Pressure Sensor
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