Chery A21 2005 Service Manual page 253

Connector Note
ECU plug-in unit
81 80 79 78 77 76 75 74 73 72 71 70 69 68 676 6 656 4 63
1 2
62 61 60 59 58 57 56 55 54 53 52 51 50 49 484 7 464 5 44
3
43 42 41 40 39 38 37 36 35 34 33 32 31 30 292 8 272 6 25
4 5
24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6
81
1 2
62
3
43
5
4
24
ECU and I nstrument Har ness Plug-In Unit
H A
7 6 5 4 3 2 1
16 15 14 13 12
S J
ECU/A1
Engine and Front Ground Harness Plug-In Unit
A
1 2 3 4
9 10
11 1 2
J
EC U/Front G round
63
4 4
2 5
6
A H
1 3 4 5 6 7
9 10 11 12 13 14 15
J S
ECU/A2
H
5
6 7 8
13 15 16
14
S
Engine control unit pin description
Connect point
Pin
Oxygen se nsor heat ing
1
Ignition co il 2
2
Ignition co il to groun d
3
Oxygen se nsor heat ing
4
Ignition co il 1
5
Injection n ozzle 4(th e 2nd cyli nder)
6
Injection n ozzle 2 (t he 3rd cyli nder)
7
Engine sp eed
8
Coolant te mperatur e
9
Fuel cons umption
10
Trouble in dicator
11
Persisten t power
12
Ignition sw itch
13
Main relay
14
Engine sp eed senso r A
15
Pedal acc elerator position sen sor
16
Sensor gr ound 1
17
Upper oxy gen senso r
18
Knock sen sor A
19
Knock sen sor B
20
Brake lam p
21
22
Accelerat ing sensor
23
24
25
26
Injection n ozzle 1(th e 1st cylin der)
27
28
29
30
EOBD ins pect lamp
31
5V power 2
32
5V power 1
33
Engine sp eed senso r (B)
34
Sensor gr ound 3
35
Sensor gr ound 2
36
Air flow se nsor
37
Electric th rottle pos ition
38
Engine c oolant t em per ature s ensor
39
Accelera te pedal po sition sen sor
40
A/C pres sure
41
Connect point
Pin
Inle t temperature
42
43
Non- Persiste nt power
44
Non- Persiste nt power
45
Canister purg e valve
46
Inje ction nozz le 3 (the 4 th cylinde r)
47
48
49
Fan control 1
50
Ele ctric groun d 2
51
52
Ele ctric groun d 1
53
Ele ctric thrott le position
54
Low er oxygen sensor
55
56
57
Bra ke switch
58
Veh icle speed signal
59
Mid -pressure switch
60
Pow er ground 1
61
CAN commun ication
62
Non-continua nce powe r
63
Ele ctric thrott le control
64
Ele ctric thrott le control
65
Ele ctric thrott le control
66
Ele ctric thrott le control
67
Cooling fan
68
A/C relay
69
Fue l pump relay
70
Dia gnose K w ire
71
72
Ant i-theft equ ipment
73
Clu tch switch
74
A/C switch
75
Pow er turn sw itch
76
Headlamp sw itch
77
Sen sor groun d
78
Pha se sensor
79
Pow er ground 2
80
81 CAN commun ication
5