Chery A21 2005, Service Manual, Page: 253 / 475

ECU plug-in unit
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ECU and Instrument Harness Plug-In Unit
ECU/A1
7 6 5 4 3 2 1
16 15 14 13 12
H A
S J
ECU/A2
1 3 4 5 6 7
9 10 11 12 13 14 15
A H
S J
Engine and Front Ground Harness Plug-In Unit
EC U/Front Ground
1 2 3 4 5 6 7 8
A
H
J S
11 12 14
10 13 9 15 16
Engine control unit pin description
Pin
Inle t temperature
Non- power Persiste nt
Non- power Persiste nt
Canister purg e valve
Inje ction nozzle 3 (the 4 th cylinde r)
Fan control 1
Ele ctric groun d 2
Ele ctric groun d 1
Ele ctric throttle position
Low er oxygen sensor
Bra ke switch
Veh icle speed signal
Injection n ozzle 1(th e 1st cylin der)
Ele ctric throttle control
Ele ctric throttle control
Ele ctric throttle control
Ele ctric throttle control
Cooling fan
A/C relay
Fue l pump relay
Mid -pressure switch
Pow er ground 1
CAN commun ication
Non-continua nce powe r
Dia gnose K w ire
EOBD ins pect lamp
5V power 2
5V power 1
Ant i-theft equ ipment
Clu tch switch
Engine sp eed senso r (B)
A/C switch
Sensor gr ound 3
Sensor gr ound 2
Pow er turn sw itch
Headlamp sw itch
Sen sor groun d
Air flow se nsor
Electric th rottle position
Pha se sensor
Pow er ground 2
Engine coolant temperature sensor
Accelera te pedal po sition sen sor
CAN commun ication
A/C pressure
Oxygen se nsor heat ing
Ignition co il 2
Oxygen se nsor heat ing
Ignition co il 1
Injection n ozzle 4(th e 2nd cylinder)
Injection n ozzle 2 (the 3rd cylinder)
Engine sp eed
Coolant te mperature
Fuel cons umption
Ignition co il to groun d
Trouble in dicator
Persisten t power
Ignition sw itch
Main relay
Engine sp eed senso r A
Pedal accelerator position sen sor
Sensor gr ound 1
Upper oxygen senso r
Knock sen sor A
Knock sen sor B
Brake lamp
Accelerating sensor
Connect point Connect point
Pin
5
1 2
3
4
5
81 80 79 78 77 76 75 74 73 72 71 70 69 68 676 6 656 4 63
62 61 60 59 58 57 56 55 54 53 52 51 50 49 484 7 464 5 44
43 42 41 40 39 38 37 36 35 3433 32 3130 292 8 272 625
24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6
1 2
3
5
4
81 63
24 6
25
43
62 44
Connector Note