Page 62 - Foton Workshop Manual - Auman EST-M
P. 62
DI - 8 Diagnosis - Diagnosis-fault diagnosis of electronic and electrical parts
Introduction of system function
1. ECM control structure diagram
Pressure regulating valve
Engine oil pressure signal
Accelerator pedal position sensor
Pre-heater relay
Cruise main control switch
Failure indicating signal
Speed sensor signal
Speed output
Clutch switch signal
Brake lamp switch signal Exhaust braking relay
Intake manifold pressure/temperature
5V output
Engine ECM
Crankshaft position signal
Fuel injection 1
Camshaft position signal
Fuel injection 2
Fuel moisture signal
Fuel injection 3
Water temperature sensor signal
Oil metering cell Fuel injection 4
Atmospheric pressure sensor signal
Air solenoid valve
Emission inlet temperature signal
Urea pump
Nitrogen oxide sensor signal
Emission outlet temperature signal
DI-008
