Page 770 - Foton Workshop Manual - Auman EST-M

EG - 254 Engine section – Engine (Cummins ISF3.8)

Introduction of system function
1. ECM control structure diagram

Engine oil pressure signal

Accelerator pedal position sensor Pressure regulating valve

Cruise main control switch
Pre-heater relay

AC pressure switch signal

Failure indicating signal
Speed sensor signal

Speed output
Clutch switch signal

Brake lamp switch signal AC compressor relay

Intake manifold pressure/temperature
Engine ECM
Exhaust braking relay
Start interlock control signal
5V output
Pressure difference signal of air filter

Crankshaft position signal Injector 1

Camshaft position signal
Injector 2

Fuel moisture signal
Injector 3
EGR valve temperature differential
pressure difference signal

Water temperature sensor signal Injector 4

Oil metering cell

Atmospheric pressure sensor signal

EG-254