CAC Gasoline Engine Maintenance And Servicing Manual
102
1.injection/ignition ECU2 diagnosis passage 12.λsensor
3.speed/ TDC sensor 13.fuel pressure regulator
4.engine flywheel 14.fuel injector
5.ignition coil with dual high-pressure connector 15.dual relays (for ECU and fuel pump)
7.throttle valve position sensor 16.25A injection/ ignition system fuse
8.idling speed actuator 17.5A ECU fuse
9.water temperature sensor 18. fuel vapor recirculation solenoid
10.absolute pressure sensor 19.λsensor connector
11.intake air temperature sensor
self-diagnosis system：
the information is stored permanently, even when the power is cut off. the following self-diagnosis may
be achieved:
——speed/ TDC sensor
——opened or shorted absolute pressure sensor circuit
——opened or shorted water temperature sensor circuit t
——opened or shorted intake air temperature sensor circuit
——opened or shorted throttle valve position sensor circuit
——faulted (malfunctional) actuator signal
the installation position in
injection/ ignition system
Fig. 161
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