DV11
Operation and Maintenance
157
Engine Diagnostic
Printed in Mar. 2005 PS-MMA0608-E1A
3.7.4. Input and output of the ECU
Input
Output
Engine
Vehicle
Input and output of ECU
·
Coolant temperature sensor
·
Fuel temperature sensor
·
Boost pressure and
temperature sensor
·
Oil pressure and
temperature sensor
·
Crankshaft speed sensor
·
Camshaft speed sensor
·
Common rail pressure sensor
·
Starter switch
·
Clutch pedal switch
·
Parking brake switch
·
Pedal brake switch
·
Vehicle speed
·
Accelerator pedal position
sensor and operation switch
·
Cruise - OFF switch
·
Cruise - RESUME switch
·
Cruise - SET / INC switch
·
Cruise - SET / DEC switch
·
Door open sensing switch
·
Engine brake switch
·
Diagnostic switch
Engine output
·
Injector output
·
Fuel high pressure pump
- fuel metering unit
Vehicle output
·
Cruise / PTO option display lamp
·
Preheating relay output
·
Preheating display lamp
·
Diagnostic information
output lamp
·
Engine brake relay output
·
Engine speed and vehicle speed
display
Communication
·
Engine diagnostic communication
·
CAN communication
Electric
control
unit
(ECU)
Engine
Vehicle
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