Suzuki Grand Vitara JB416 / JB420 (ESP model). Service manual — part 4
1A-12 Engine General Information and Diagnosis:
ECM Input / Output Circuit Diagram
S5JB0E1102003
For J20 engine
76
77
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
26
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
I5JB0D110004-01
1. Accelerator pedal position (APP) sensor
assembly
27. Stop lamp switch
53. “CPRSR” fuse
2. Shield wire
28. Stop lamp
54. Ignition coil assembly (for No.1 spark plug)
Engine General Information and Diagnosis: 1A-13
3. CMP sensor
29. DLC
55. Ignition coil assembly (for No.2 spark plug)
4.
CKP sensor
30. To TCM (for A/T model), BCM, ABS / ESP
® control
module and 4WD control module (if equipped)
56. Ignition coil assembly (for No.3 spark plug)
5. MAF and IAT sensor
31. Barometric pressure sensor
57. Ignition coil assembly (for No.4 spark plug)
6. CO adjust resistor (if equipped)
32. Throttle actuator control relay
58. Power steering pump pressure switch
7. MAP sensor
33. “THR MOT” fuse
59. “IG COIL” fuse
8. ECT sensor
34. Electric throttle body assembly
60. Main relay
9. A/C refrigerant pressure sensor (if
equipped with A/C)
35. Throttle actuator
61. “IG2 SIG” fuse
10. Electric load current sensor
36. Throttle position sensor
62. “DOME” fuse
11. Generator
37. Fuel injector No.1
63. “FI” fuse
12. “O2 HTR” fuse
38. Fuel injector No.2
64. Ignition switch
13. HO2S heater relay
39. Fuel injector No.3
65. “IGN” fuse
14. HO2S-2
40. Fuel injector No.4
66. “STR MOT” fuse
15. A/F sensor
41. EVAP canister purge valve
67. “ST SIG” fuse
16. Knock sensor
42. EGR valve
68. Starting motor control relay
17. Cruise control switch (if equipped)
43. IMT vacuum solenoid valve
69. Transmission range switch (for A/T model)
18. Brake pedal switch (for cruise control)
44. Fuel pump relay
70. Starting motor
19. Clutch pedal position switch (for cruise
control)
45. Fuel pump
71. Immobilizer coil antenna (if equipped)
20. ABS / ESP
® control module
46. Radiator cooling fan relay No.1
72. Diagnosis connector (if equipped)
21. BCM
47. Radiator cooling fan relay No.2
73. Battery
22. TCM (for A/T model)
48. Radiator cooling fan relay No.3
74. Engine ground
23. Combination meter
49. Radiator cooling fan motor No.1
75. Body ground
24. 4WD control module (if equipped)
50. Radiator cooling fan motor No.2
76. Main fuel level sensor
25. Keyless start control module (if equipped)
51. A/C compressor relay (if equipped with A/C)
77. Sub fuel level sensor
26. Steering angle sensor (for vehicle with
ESP
®)
52. A/C compressor (if equipped with A/C)
1A-14 Engine General Information and Diagnosis:
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
66
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
67
I5JB0D110005-01
Engine General Information and Diagnosis: 1A-15
Terminal Arrangement of ECM Coupler (Viewed from Harness Side)
Connector: C37
1. Accelerator pedal position (APP) sensor
assembly
24. DLC
47. A/C compressor (if equipped with A/C)
2. Shield wire
25. To BCM and ABS / ESP
® control module
48. “CPRSR” fuse
3. CMP sensor
26. Barometric pressure sensor
49. Ignition coil assembly (for No.1 and No.4
spark plugs)
4. CKP sensor
27. Throttle actuator control relay
50. Ignition coil assembly (for No.2 and No.3
spark plugs)
5. MAF and IAT sensor
28. “THR MOT” fuse
51. “IG COIL” fuse
6. CO adjust resistor (if equipped)
29. Electric throttle body assembly
52. Main relay
7. MAP sensor
30. Throttle actuator
53. “IG2 SIG” fuse
8. ECT sensor
31. Throttle position sensor
54. “DOME” fuse
9. A/C refrigerant pressure sensor (if equipped
with A/C)
32. Fuel injector No.1
55. “FI” fuse
10. Generator
33. Fuel injector No.2
56. Ignition switch
11. “O2 HTR” fuse
34. Fuel injector No.3
57. “IGN” fuse
12. HO2S heater relay
35. Fuel injector No.4
58. “STR MOT” fuse
13. HO2S-2
36. EVAP canister purge valve
59. “ST SIG” fuse
14. A/F sensor
37. EGR valve
60. Starting motor control relay
15. Knock sensor
38. Oil control valve (Camshaft position control)
61. Starting motor
16. Power steering pump pressure switch
39. Fuel pump relay
62. Diagnosis connector (if equipped)
17. Immobilizer coil antenna (if equipped)
40. Fuel pump
63. Battery
18. ABS / ESP
® control module
41. Radiator cooling fan relay No.1
64. Engine ground
19. BCM
42. Radiator cooling fan relay No.2
65. Body ground
20. Combination meter
43. Radiator cooling fan relay No.3
66. Main fuel level sensor
21. Steering angle sensor (for vehicle with ESP
®)
44. Radiator cooling fan motor No.1
67. Sub fuel level sensor
22. Stop lamp switch
45. Radiator cooling fan motor No.2
23. Stop lamp
46. A/C compressor relay (if equipped with A/C)
E23
C37
3
4
18
19
5
6
7
10
11
17
20
47
46
49
50
51
21
22
52
16
25
9
24
14
29
55
57
54 53
59
60
58
2
26
27
28
15
30
56
48
32
31
34
35
36
37
40
42
39 38
44
45
43
41
33
1
12
13
23
8
3
4
18
19
5
6
7
10
11
17
20
47
46
49
50
51
21
22
52
16
25
9
24
14
29
55
57
54 53
59
60
58
2
26
27
28
15
30
56
48
32
31
34
35
36
37
40
42
39 38
44
45
43
41
33
1
12
13
23
8
I4RS0A110008-01
Terminal
Wire color
Circuit
Terminal
Wire color
Circuit
1
PNK
Fuel injector No.1
31
BLK/YEL
Ground for A/F sensor heater
2
PNK/BLK
Fuel injector No.2
32
PNK/BLU
Heater output of A/F sensor
3
YEL/GRN
EGR valve (stepper motor coil
3)
33
GRY/RED
Intake manifold tuning vacuum
solenoid valve output
(for J20 engine)
4
YEL
EGR valve (stepper motor coil
4)
34
RED/BLU
Ground for A/F sensor
adjusting resistor
5
YEL/BLK
EGR valve (stepper motor coil
1)
35
RED/YEL
A/F sensor adjusting resistor
signal
6
YEL/RED
EGR valve (stepper motor coil
2)
36
PNK
Crankshaft position (CKP)
sensor (–)
(for J20 engine)
7
BLU/ORN
Power steering pump pressure
switch signal
37
BLK
A/F sensor signal (–)
8
BRN/RED
(for M16
engine)
Generator field coil monitor
signal
38
WHT
A/F sensor signal (+)
BRN/BLK
(for J20
engine)
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