gio Vyper 4WD 1100cc 4 seater XY1100UEL, Руководство по обслуживанию

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11. EFI SYSTEM OF SQR 472ENGINE
CONTENTS
Chapter 1 Description the SIMK-31 engine management system................................................1
Summary.........................................................................................................................................1
A 、
The basic components of electronic control system.......................................................................1
B
、
The SIMK-31ECU module input and output electrical diagram......................................................1
1
、
The input and output SIMK-31ECU module..............................................................................1
2
、
Engine management system diagram.....................................................................................2
3
、
Wiring diagram of ECU............................................................................................................3
4 、 ECU function module layout....................................................................................................4
5 、 Pin output definition ECU.........................................................................................................5
Chapter 2 The working principle of engine management system components.............................
......
7
1, the water temperature sensor...........................................................................................................7
2, the crankshaft position sensor..........................................................................................................9
3, the camshaft position sensor...........................................................................................................11
4, the throttle body...............................................................................................................................13
5, solar term door position sensor.......................................................................................................15
6, idle speed control motor..................................................................................................................15
7, heated oxygen sensor.....................................................................................................................17
8, the intake air temperature and absolute pressure sensor...............................................................20
9, the fuel rail assembly.......................................................................................................................22
10, the fuel injector...............................................................................................................................23
11, carbon canister solenoid valve.......................................................................................................26
12, the engine control unit (ECU).........................................................................................................28
13, electric fuel pump...........................................................................................................................30
14, the ignition coil...............................................................................................................................32
15, three way catalytic converter..........................................................................................................33
16, the other is connected with ECU signal..........................................................................................33
Chapter 3 Introduces the function of fault diagnosis system..................................................... ............34
1, control the fault lamp........................................................................................................................34
2, Connect the diagnosis instrument....................................................................................................34
3, Fault code list...................................................................................................................................35
4, Erase fault code...............................................................................................................................37
Chapter 4 Troubleshooting diagnostic process........................................................................ ...........38
1, Fault diagnosis according to the fault code description....................................................................38
2, System fault code diagnosis process...............................................................................................38
2.1
、
Upstream oxygen sensor heater control circuit shorted to ground (fault code P0031) ................38
2.2
、
Upstream oxygen sensor heater control circuit for the power supply circuit (fault code P0032) ..39
2.3
、
The lower the oxygen sensor heater control circuit shorted to ground (fault code P0037) ...........39
2.4
、
Downstream oxygen sensor heater control circuit for the power supply circuit (fault code
P0038) .................................................................................................................................................40
2.5 、 Manifold pressure sensor circuit shorted to ground (fault code P0107) ......................................40
2.6 、 Manifold pressure sensor circuit for the power supply circuit (fault code P0108) .......................41
2.7 、 Intake air temperature sensor circuit shorted to ground (fault code P0112) ...............................41
2.8
、
Intake air temperature sensor circuit for the power supply circuit (fault code P0113) .................42
2.9
、
Coolant temperature sensor circuit output range / character error (error code P0116) ................43