After Treatment System; After Treatment Devices - wsm L3301 Workshop Manual

L3301, L3901, L4701, WSM

7. AFTER TREATMENT SYSTEM

[1] AFTER TREATMENT DEVICES

(1) Common Rail System
(2) Engine ECU
(3) After Treatment Devices
(4) Intake Throttle Valve
(5) EGR Valve
(6) Air Flow Sensor
(7) EGR Cooler
(8) Temperature Sensor
(DOC Inlet Exhaust
Temperature) (T )
0
(9) Temperature Sensor
(DPF Inlet Exhaust
Temperature) (T )
1
(10) Differential Pressure Sensor
(DPF Differential Pressure)
(∆P)
1-M21
(11) Temperature Sensor
(DPF Outlet Exhaust
Temperature) (T )
2
(12) Diesel Oxidation Catalyst
(DOC)
(13) Diesel Particulate Filter
(DPF)
ENGINE
(a) EGR Valve Opening
(b) Injection Pattern
(c) Inlet Throttle Valve Angle
(d) Air Flow Sensor Signal
(e) T (DOC Inlet Exhaust
0
Temperature)
(f) T (DPF Inlet Exhaust
1
Temperature)
(g) ∆P (DPF Differential
Pressure)
(h) T (DPF Outlet Exhaust
2
Temperature)
9Y1211012ENM0038US0
KiSC issued 09, 2016 A