Chery SQR 7160 sedan. Manual — part 45

CAC Gasoline Engine Maintenance And Servicing Manual

98

Fig. 158

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CAC Gasoline Engine Maintenance And Servicing Manual

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1.injection/ignition system ECU

17.injection system warning light (on the instrument

panel)
2.battery

20.fuel cut-off switch

3.ignition switch

21.A/C control unit

4.25A system fuse

22.A/C compressor relay

5.5A ECU fuse

23.A/C compressor

6.dual relays

26.engine idling actuator

7.revolution counter

27.throttle valve position sensor

8. ignition coil 1(cylinder 1、4)

28.main ground wire of engine

9. ignition coil 2(cylinder 2、3)

29.absolute

pressure

sensor10.

fuel

vapor

recirculation solenoid

30.water temperature sensor

11.λsensor

31.intake air temperature sensor

12.electric fuel pump

32.ground wire for ECU block shield

13.main ground wire of engine

33.speed/ TDC sensor

14. fuel injector

34.CHECK—UP1 diagnosis socket

15.30A A/C fan fuse

35.A/C fan relay

16.7.5AA/C fuse

U front cable junction box

ECU I/0 function
1. primary signal for ignition coil
2.B phrase idling actuator signal
3.D phrase idling actuator signal
4.protect relay signal
5.without connection line
6.warning light energizing signal
7.without connection line
8.A/C input signal (see note)
9.without connection line
10.diagnosis socket L connection line
11.tacho sensor negative input
12.λsensor negative input
13.water temperature sensor negative
input
14. pressure sensor/throttle valve

potentiometer 5A power supply

15. diagnosis socket K connection line

16.water temperature/air/pressure sensor

and ground wire of throttle valve
position sensor

17. main ground wire of engine

18.fuel

injector signal


19. primary signal for ignition coil 2
20.A phrase idling speed actuator signal 21.C phrase idling speed
actuator signal

22.fuel vapor solenoid signal
23.fuel pump relay/ speed counter signal
24.A/C relay signal (see note)
25.without connection line
26.ignition switch input (15/24)

Fig. 159
35-way connection line

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CAC Gasoline Engine Maintenance And Servicing Manual

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27.without connection line
28.speed sensor positive input
29.λsensor positive input
30.throttle valve potentiometer signal input
31.intake air temperature sensor signal input
32.absolute pressure sensor signal input
33.without connection line
34.main ground wire of engine
35.ignition switch +12V power supply input
A/C I/O may only be supplied to the vehicle equipped with A/C and the ECU of the corresponding engine,
i.e. the vehicle of single-point injection with A/T.

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CAC Gasoline Engine Maintenance And Servicing Manual

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(*) A/C input and signal (if euipped)
Note：1) All connector are viewed from the intake side of the cable

2) Cable color and number indicates the 35-pin ECU connector connection of injection

system

Fig.160

system fuse

ECU fuse

ignition coil of cylinder 1, 4

ignition coil of cylinder 2,3

fuel vapor solenoid

sensor

sensor

fuel injector

step motor

throttle valve position sensor

absolute pressure sensor

water temperature sensor

intake gas temperature sensor

tacho/top dead center sensor

diagnosis connector

front cable terminal box

dual relays

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