Chery Tiggo 5 (T21). Manual — part 129
08–
5
08
Tools
Special Tool
General Tools
Fuel Tank Pressure Cap Remover
RCH0000004
Digital Multimeter
Fuel System Pressure Tester
Transmission Carrier
RCH0000002
RCH0000048
RCH0000005
08–
6
08
Fuel Supply System Line Connection Diagram
When engine operates properly, electric fuel pump assembly (1) sucks fuel from fuel tank and filters it through
fuel filter assembly (3), and then deliveries it to inlet and return pipe assembly (4). Some fuel enters fuel rail
(5) and is supplied to injector. Some fuel flows back to electric fuel pump assembly pressure regulator (2)
directly. When fuel supply system pressure is high, diaphragm spring in the regulator is jacked up by pressure,
then valve opens and fuel flows out from the regulator. When pressure reaches normal value, the regulator
shuts off and fuel stops flowing out. Finally, system pressure reaches a steady state.
1 - Electric Fuel Pump Assembly
2 - Electric Fuel Pump Assembly Pressure Regulator
3 - Fuel Filter Assembly
4 - Inlet and Return Pipe Assembly
5 - Fuel Rail Injector Assembly
1
5
2
3
4
RT21080020
08–
7
08
Circuit Diagram
Fuel Supply System (Page 1 of 2)
ET21080010
A1
A2
A3
A4
A5
A6
A7
A8 A9 A10
F12
F24
F11
F23
F10
F22
F9
F21
F8
F20
F7
F19
F6
F18
F5
F17
F4
F16
F3
F15
F2
F14
F1
F13
Gr
E-076
W
E-069
B
E-033
49 50 51
63
64
15
16
31
32
47
48
33 34 35
17 18 19
1
2
3
52 53 54 55 56 57 58 59 60 61 62
36 37 38 39 40 41 42 43 44 45 46
20 21 22 23 24 25 26 27 28 29 30
4
5
6
7
8
9 10 11 12 13 14
ECM
MAIN
RELAY
ECM
10A
EF19
10A
EF40
A2
F14
20
RL
5
Br
A6
15
16
RR
R
86
30
85
87
ENGINE
COMPARTMENT
FUSE AND
RELAY BOX
E-076
E-023
E-073
E-069
E-033
BATTERY
R
P
RF23
10A
INSTRUMENT
CLUSTER
23
10A
RF06
6
11
21
13
IGNITION SWITCH
ON OR START
INSTRUMENT
PANEL
FUSE AND
RELAY BOX
I-007
I-015
I-003
3
5
B
Br
Br
B-032
1
2
Q
12
I-006
B-003
RL
EF38
7.5A
A8
F6
RL
41
F7
86
30
85
87
B6
EF35
15A
BY
R
R
FUEL
PUMP
MOTOR
M
B 4
3
FUEL
PUMP
RELAY
13
E-070
B-048
B-038
B-036
C3
15A
EF08
A
VB
VB
B1
B2
B3
B4
B5
B6
B7
B8 B9 B10
1
2
3
4
Y
E-073
B
B-038
C1
C2
C3 C4
C5
C6
C7
C8 C9 C10
L
E-023
W
E-070
1
2
3
4
5
6
7
8
9 10
11 12 13 14 15
18
17
16
19 20 21 22
32
31
30
29
28
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
27
26
25
24
23
22
21
20
19
18
17
L
I-015
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
W
I-006
1
2
3
4
5
6
7
8
9 10 11 12
13
85
85
87
87 30
87 30
30
86
86
85
86
14 15 16 17 18 19 20 21 22 23 24
25
27
26
B
I-007
08–
8
08
Fuel Supply System (Page 2 of 2)
ET21080020
ECM
E-035
GW
GR
GB
GBr
RL
RL
RL
RL
RL
INJECTOR 4
INJECTOR 3
INJECTOR 2
INJECTOR 1
4
3
8
10
2
2
2
2
1
1
1
1
GW
GR
GB
GBr
12
13
14
15
E-007
E-038
E-010
E-011
E-012
E-013
A
1
2
1
2
1
2
1
2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
31
35
39
40
41
42
32
33
36
37
38 34
27
28
29
30
B
E-007
B
E-010
B
E-011
B
E-012
B
E-013
37 38 39 40 41 42 43 44 45 46
47
48
25 26 27 28 29 30 31 32 33 34
35
36
13 14 15 16 17 18 19 20 21 22
23
24
1
2
3
4
5
6
7
8
9 10
11
12
B
E-035
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