Suzuki Grand Vitara JB416 / JB420. Manual — part 17
1A-17 Engine General Information and Diagnosis:
Engine and Emission Control System Flow Diagram
S5JB0A1102002
FUEL T
ANK
FUEL LEVEL
SENSOR
FUEL
PUMP
EGR
VA
LV
E
MAP
SENSOR
INT
AKE
MANIFOLD
EXHA
UST
MANIFOLD
V
A
CUUM
EXHA
UST GAS
AIR
FUEL
VA
P
O
R
THREE W
A
Y
CA
T
A
LYST
EXHA
U
ST
PIPE
EV
AP
CANISTER
EV
AP
CANISTER
PURGE
VA
LV
E
CHECK
VA
LV
E
FUEL
INJECT
OR
CURRENT
SENSOR
(FOR J20
ENGINE)
ECT
SENSOR
RADIA
T
OR
FA
N
ECM
HEA
TER
CONTR
OL
BAR
OMETRIC
PRESSURE
SENSOR
A/F SENSOR
(IF EQ
UIPPED)
HO2S-2
(IF EQ
UIPPED)
ENGINE
CMP
SENSOR
CKP
SENSOR
KNOCK
SENSOR
IGNITION
COIL
WITH IGNITER
CMP A
C
TU
A
T
OR
OIL CONTR
O
L
VA
LV
E
(FOR M16
ENGINE)
A
CCELERA
T
O
R PED
A
L
POSITION (APP) SENSOR
A/C COMPRESSOR
CLUTCH
(IF EQ
UIPPED
WITH A/C)
HEA
TER
CONTR
OL
GENERA
T
O
R
IMMOBILIZER
COIL ANTENNA
(IF EQ
UIPPED)
KEYLESS ST
AR
T
CONTR
O
L MODULE
(IF EQ
UIPPED)
PO
WER STEERING
PUMP PRESSURE
SWITCH
TCM (FOR A/T MODEL)
ST
OP LAMP
SWITCH
AIR
CLEANER
IA
T
SENSOR
MAF
SENSOR
ABS HYDRA
ULIC UNIT/CONTR
O
L
MODULE ASSEMBL
Y
A/C REFRIGERANT
PRESSURE SENSOR
(IF EQ
UIPPED
WITH A/C)
COMBINA
TION METER
· MIL
· COOLANT
TEMP
.
· IMMOBILIZER INDICA
T
OR LAMP
· T
A
CHOMETER
· SPEEDOMETER
·
ELECTRIC LO
AD
DLC
·
A/C SWITCH ON
(IF EQ
UIPPED
WITH A/C)
TP
SENSOR
THR
O
TTLE BOD
Y ASSEMBL
Y
THR
O
TTLE
AC
T
U
A
T
O
R
IMT V
A
CUUM
SOLENOID V
A
LV
E
(FOR J20 ENGINE)
IMT V
A
LV
E
(FOR J20 ENGINE)
WHEEL SPEED
SENSOR (VSS)
BCM
4WD CONTR
O
L MODULE
(FOR J20 ENGINE)
I5JB0A110011-03
Engine General Information and Diagnosis: 1A-18
ECM Input / Output Circuit Diagram
S5JB0A1102003
For J20 engine
26
26-1
37
38
39
40
41
+B
60
IG1
+BB
IG2
IG2
64
: 74
: 75
PNK
PNK/BLK
PNK/GRN
PNK/BLU
GRN/BLK
BLK/WHT
WHT
BLU
BLU/BLK
BLU/BLK
70
: 5V
: 12V
42
43
YEL
YEL/GRN
YEL/BLK
73
61
YEL/RED
IG1
E23-29
E23-2
C37-58
E23-1
E23-16
C37-15
C37-30
C37-29
51
E23-60
C37-22
GRY/BLU
PNK/BLU
BLK/ORN
BLK/ORN
BLK/YEL
IG1
15
RED/BLU
C37-34
PNK/BLU
C37-32
C37-35
YEL/RED
E23-24
27
+BB
GRN/WHT
28
E23-20
C37-13
C37-5
C37-6
C37-3
C37-4
44
46
45
PNK
BLK
WHT/GRN
E23-15
C37-1
C37-2
C37-16
C37-17
RED/BLK
E23-46
BLU/ORN
C37-7
E23-28
E23-13
C37-48
6
5
7
GRY/RED
GRN/WHT
BLU
GRY/GRN
8
PPL/YEL
+B
LT GRN
C37-26
C37-27
C37-14
C37-10
C37-55
C37-24
C37-57
RED
C37-25
52
PNK
E23-49
53
58
63
67
69
71
C37-12
16
WHT
2
C37-56
BRN
54
C37-21
55
BRN/BLK
C37-20
32
BLU/ORN
GRN
C37-53
C37-54
C37-40
C37-41
C37-45
C37-44
WHT
BLK
RED
BLU/RED
BLU/YEL
E23-17
E23-50
WHT
WHT/BLU
ORN
ORN/BLU
BLU/GRN
BLUYEL
E23-56
E23-55
E23-54
E23-51
E23-53
E23-52
1
2
34
35
33
2
3
4
WHT/RED
C37-52
BLK/YEL
31
57
BRN/YEL
C37-18
BRN/WHT
56
C37-19
47
E23-47
48
E23-48
12
+BB
14
RED
BLK/RED
2
C37-47
C37-11
E23-5
PPL/WHT
29
+BB
30
21
23
24
25
22
20
RED
WHT
IG1
11
10
9
DN
GRY/RED
C37-33
BRN/BLK
C37-8
BRN/BLK
C37-28
C37-9
BLU
GRY/BLK
C37-31
BLK/YEL
RED/YEL
BLU
PNK
C37-36
C37-51
WHT
BLK
C37-37
C37-38
GRN
BLK/YEL
RED/WHT
BLK/YEL
E23-4
E23-19
E23-7
E23-8
E23-21
E23-22
E23-6
WHT/BLU
WHT/RED
BLK/WHT
BLK/YEL
YEL/GRN
BLU
LT GRN
E23-12
YEL
RED
RED/YEL
GRN
PNK
BLK
GRY/GRN
BLK
BLK
BLK/YEL
62
59
BLU/BLK
BLU/WHT
YEL/GRN
BLU/BLK
BLU/RED
WHT/GRN
ST
13
2
17
18
19
36
49
50
65
66
68
72
I5JB0A110012-06
1. Accelerator pedal position (APP) sensor
assembly
26-1. Sub fuel level sensor
52. A/C compressor (if equipped with A/C)
2. Shield wire
27. Stop lamp switch
53. “CPRSR” fuse
1A-19 Engine General Information and Diagnosis:
3. CMP sensor
28. Stop lamp
54. Ignition coil assembly (for No.1 spark plug)
4. CKP sensor
29. DLC
55. Ignition coil assembly (for No.2 spark plug)
5. MAF and IAT sensor
30. To TCM (for A/T model), BCM, ABS hydraulic unit /
control module assembly and 4WD control module
56. Ignition coil assembly (for No.3 spark plug)
6. CO adjust resistor (if equipped)
31. Barometric pressure sensor
57. Ignition coil assembly (for No.4 spark plug)
7. MAP sensor
32. Throttle actuator control relay
58. Power steering pump pressure switch
8. ECT sensor
33. “THR MOT” fuse
59. “IG COIL” fuse
9. A/C refrigerant pressure sensor (if
equipped with A/C)
34. Electric throttle body assembly
60. Main relay
10. Electric load current sensor
35. Throttle actuator
61. “IG2 SIG” fuse
11. Generator
36. Throttle position sensor
62. “DOME” fuse
12. “O2 HTR” fuse
37. Fuel injector No.1
63. “FI” fuse
13. HO2S heater relay
38. Fuel injector No.2
64. Ignition switch
14. HO2S-2
39. Fuel injector No.3
65. “IGN” fuse
15. A/F sensor
40. Fuel injector No.4
66. “STR MOT” fuse
16. Knock sensor
41. EVAP canister purge valve
67. “ST SIG” fuse
17. Cruise control switch (if equipped)
42. EGR valve
68. Starting motor control relay
18. Brake pedal switch (for cruise control)
43. IMT vacuum solenoid valve
69. Transmission range switch (for A/T model)
19. Clutch pedal position switch (for cruise
control)
44. Fuel pump relay
70. Starting motor
20. ABS hydraulic unit / control module
assembly
45. Fuel pump
71. Immobilizer coil antenna (if equipped)
21. BCM
46. Radiator cooling fan relay No.1
72. Diagnosis connector (if equipped)
22. TCM (for A/T model)
47. Radiator cooling fan relay No.2
73. Battery
23. Combination meter
48. Radiator cooling fan relay No.3
74. Engine ground
24. 4WD control module
49. Radiator cooling fan motor No.1
75. Body ground
25. Keyless start control module (if equipped)
50. Radiator cooling fan motor No.2
26. Main fuel level sensor
51. A/C compressor relay (if equipped with A/C)
Engine General Information and Diagnosis: 1A-20
For M16 engine
32
33
34
35
36
+B
52
IG1
ST
IG2
IG2
56
: 64
: 65
PNK
PNK/BLK
PNK/GRN
PNK/BLU
GRN/BLK
BLK/WHT
WHT
BLU
BLU/BLK
BLU/BLK
61
: 5V
: 12V
37
YEL
YEL/GRN
YEL/BLK
63
53
YEL/RED
IG1
E23-29
E23-2
C37-58
E23-1
E23-16
C37-15
C37-30
C37-29
46
E23-60
C37-22
GRY/BLU
PNK/BLU
BLK/ORN
BLK/ORN
BLK/YEL
IG1
14
RED/BLU
2
C37-34
PNK/BLU
C37-32
C37-35
YEL/RED
21
E23-24
22
+BB
GRN/WHT
23
E23-20
C37-13
C37-5
C37-6
C37-3
C37-4
39
41
40
PNK
BLK
WHT/GRN
E23-15
C37-1
C37-2
C37-16
C37-17
RED/BLK
E23-46
BLU/ORN
C37-7
E23-28
E23-13
C37-48
6
5
7
GRY/RED
GRN/WHT
BLU
GRY/GRN
8
PPL/YEL
+B
LT GRN
C37-26
C37-27
C37-14
C37-10
C37-55
C37-24
C37-57
RED
C37-25
47
PNK
E23-49
48
16
55
59
17
C37-12
15
WHT
2
C37-56
BRN
49
C37-21
50
BRN/BLK
C37-20
27
BLU/ORN
GRN
C37-53
C37-54
C37-40
C37-41
C37-45
C37-44
WHT
BLK
RED
BLU/RED
BLU/YEL
E23-17
E23-50
WHT
WHT/BLU
ORN
ORN/BLU
BLU/GRN
BLUYEL
E23-56
E23-55
E23-54
E23-51
E23-53
E23-52
1
2
29
30
28
2
3
4
WHT/RED
C37-52
26
42
E23-47
43
E23-48
12
+BB
13
RED
BLK/RED
2
C37-47
C37-11
E23-5
PPL/WHT
24
+BB
25
19
20
18
RED
WHT
10
9
DN
BRN/RED
C37-8
BRN/BLK
C37-28
GRY/BLK
C37-31
BLK/YEL
RED/YEL
WHT
BLK
GRN
BLK/YEL
RED/WHT
BLK/YEL
E23-4
E23-19
WHT/BLU
WHT/RED
E23-12
YEL
RED
RED/YEL
GRN
PNK
GRY/GRN
BLK
BLK/YEL
54
51
BLU/BLK
BLU/WHT
YEL/GRN
BLU/BLK
BLU/RED
C37-51
BLK/YEL
WHT/BLU
BRN/WHT
BRN/YEL
38
YEL
RED
C37-60
C37-59
+BB
WHT/GRN
11
31
44
45
57
58
60
62
C37-37
C37-38
21-1
I5JB0A110013-04
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