Great Wall GW491QE, Руководство по обслуживанию

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EF.1-9
United฀Electronic฀engine฀management฀system-Analysis฀of฀function฀/principal฀/
failure฀for฀system฀parts฀&components
c Definition of E CU pins within Motronic 7.9.7 system
Pin Connection point Type Pin Connection point Type
1
Heating point
of oxygen sensor
Output 42
A ir-conditioner
temperature sensor
I nput
2 Ignition coil 2 Output 43
3 Ignition ground Ground 44 Intermittent power supply I nput
4 45 Intermittent power supply I nput
5 Ignition coil 1 Output 46
Solenoid valve of
carbon-canister
Output
6
Oil injection nozzle 4 (cylinder
No.2)
Output 47
Oil injection nozzle 3 (cylinder
No.4)
Output
7
Oil injection nozzle 2 (cylinder
No.3)
Output 48
8 I N output Output 49
9 50 Fan control 1 Output
10 51 E lectronic ground 2 Ground
11 52
12 Uninterrupted power supply I nput 53 E lectronic ground 1 Ground
13 I gnition switch I nput 54
14 Main relay Output 55
15
E ngine
rotating-speed sensor A
I nput 56
16
Throttle position sensor
I nput 57
A ir-conditioner
compressor switch
I nput
17 Sensor ground 1 Ground 58
18 Oxygen sensor I nput 59 Vehicle speed signal I nput
19 K nock sensor A I nput 60
20 K nock sensor B I nput 61 Power ground 1 Ground
21 62
22 63 Intermittent power supply I nput
23 64 Phase D on step motor Output
24 65 Phase A on step motor Output
25 66 Phase B on step motor Output
26 67 Phase C on step motor Output
27
Oil injection nozzle 1 (cylinder
No.1)
Output 68
28 69 Oil pump relay Output
29 Detector lamp Output 70
A ir-conditioner
compressor relay
Output
30 71 Diagnosis line K
Output,
input
31 72
32 A 5V power supply 2 Output 73
33 A 5V power supply1 Output 74
34
E ngine
rotating-speed sensor B
I nput 75 Air-conditioner switch I nput
35 Sensor ground 3 Ground 76
36 Sensor ground 2 Ground 77
Pole changer
for booster pump
I nput
37 Inlet-air pressure sensor I nput 78
38 79 Phase sensor I nput
39
E ngine cooling-fluid temperature
sensor
I nput 80 Power ground 2 Ground
40 A ir-inlet temperature sensor I nput 81
41
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