Suzuki Grand Vitara JB419. Service manual — part 8
Engine General Information and Diagnosis: 1A-9
Electronic Control System Wiring Circuit Diagram
S5JB0B1102002
1
20
22
23
24
30
31
32
32
33
34
35
36
37
38
39
40
41
42
43
44
63
45
46
47
48
29
25
: 61
: 62
IG1
IG2
27
28
RED
WHT
2
3
4
5
6
7
8
9
10
11
12
13
14
15
15-1
15-2
16
17
18
19
49
53
50
51
52
21
C85-32
C85-27
C85-29
C85-25
C85-30
C85-26
C85-31
C85-28
PNK
RED
PNK/BLK
RED/BLK
PNK/GRN
RED/GRN
PNK/BLU
RED/BLU
E66-28
E66-30
C85-9
E66-13
C86-39
C85-19
C86-27
C85-23
C86-41
C86-40
C86-7
C86-24
C86-22
C86-47
C86-12
C85-17
C85-1
E66-2
E66-11
C86-14
C86-3
E66-1
E66-7
E66-8
C85-18
C85-20
GRN/WHT
BLU
YEL/GRN
PNK
YEL/BLK
YEL/RED
PNK/GRN
BLU
WHT/BLU
PNK/BLK
PNK
GRY/BLK
BLU/RED
GRY/RED
BLU/WHT
BRN/YEL
GRY
BLU/BLK
BLK/WHT
BLU/YEL
BLU/BLK
BLK
BLK
BLK
RED/YEL
RED/BLK
C85-21
BRN/YEL
C85-13
E66-31
E66-32
E66-26
C85-12
C85-14
C86-25
C86-26
C85-11
C86-29
C86-31
C86-18
C86-15
C86-16
C86-17
C86-46
C86-32
C86-48
E66-23
E66-17
E66-20
C85-15
C86-20
C86-43
C86-45
C86-19
C86-42
E66-27
E66-21
E66-15
E66-5
E66-3
E66-4
C85-22
C85-5
C86-11
C86-23
C85-9
C86-13
C86-33
PNK/GRN
+B
+B
+B
PPL/WHT
WHT/RED
WHT/BLU
BLK/RED
RED/BLU
BLU
RED
BLK/YEL
BLU/ORN
RED/YEL
BLK/YEL
WHT/GRN
WHT/RED
WHT/BLU
BLK/BLU
BRN/YEL
BRN/RED
BLK/YEL
LT GRN
BLK/WHT
LT GRN/BLK
LT GRN
LT GRN/RED
GRY/GRN
RED/WHT
GRY/RED
BLU/YEL
BLU/GRN
ORN/BLU
ORN
WHT/BLU
WHT
BLU/YEL
RED/BLK
BLU/YEL
PNK/WHT
GRY/GRN
BRN/BLK
GRY/RED
BRN
BRN/WHT
BRN/BLK
BRNYEL
BLK
BLU
BLK
BLU/RED
BLU/WHT
BLU/BLK
+B
61
54 55 56 57 58 59
12V
26
I5JB0B110007-02
1. ECM
21. Brake lamp switch
43. Turbocharger electric water
pump
2. Fuel injector No.1
22. Brake lamp
44. MAF sensor assembly with IAT
sensor
1A-10 Engine General Information and Diagnosis:
Terminal Arrangement of ECM Coupler (Viewed from Harness Side)
Connector: C85
3. Fuel injector No.2
23. CPP switch
45. Main relay
4. Fuel injector No.3
24. Fuel flow actuator
46. Ignition switch
5. Fuel injector No.4
25. Glow plug control module
47. Fuel heater relay
6. CKP sensor
26. Glow plug
48. Fuel heater
7. CMP sensor
27. Fuel pump relay
49. ABS or ESP
® control module
8. Exhaust gas temperature sensor 2
28. Fuel pump
50. 4WD control module
9. Exhaust gas temperature sensor 3
29. Additional heater relay No.1
51. BCM
10. Differential pressure sensor
30. Additional heater relay No.2
52. Immobilizer control module
11. Boost pressure sensor
31. Additional heater relay No.3
53. Combination meter
12. Exhaust gas temperature sensor 1
32. Additional heater plug
54. Malfunction indicator light (MIL)
13. ECT sensor
33. A/C compressor relay (if equipped with A/C)
55. Injection warning light (gravity 1
warning light)
14. Fuel pressure sensor
34. A/C compressor (if equipped with A/C)
56. Red stop warning light (gravity 2
warning light)
15. EGR valve
35. Radiator fan relay No.1 (LOW)
57. Diesel particulate filter warning
light
15-1. EGR motor
36. Radiator fan relay No.2 (HIGH)
58. Glow plug indicator light
15-2. EGR stroke sensor
37. Radiator fan relay No.3 (HIGH)
59. Fuel filter warning light
16. A/C refrigerant pressure sensor (if equipped
with A/C)
38. Radiator fan motor No.1
60. Meter driver
17. Accelerator pedal position (APP) sensor
assembly
39. Radiator fan motor No.2
61. Body ground
18. Cruise control switch (if equipped with
cruise control system)
40. Inlet throttle valve
62. Engine ground
19. Data link connector (DLC)
41. Boost pressure control solenoid valve
63. Barometric pressure sensor
20. Fuel filter water detection sensor
42. Turbocharger electric water pump relay
33
34
39
40
41
42
43
44
35
36
37
38
45
46
47
48
9
10
11
12
13
14
1
3
5
7
2
4
6
8
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
1
3
7
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
2
4
6
8
9
10
11
12
13
14
5
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
27
28
29
30
31
32
C85
C86
E66
I5JB0B110008-01
Terminal
Circuit
Terminal
Circuit
1
Glow plug control module diagnosis input
17
Glow plug control module output
2
—
18
Radiator fan relay No.2 and 3 output
3
—
19
Additional heater relay No.2 and 3 output
4
—
20
Radiator fan relay No.1 output
5
Exhaust gas temperature sensor 1 signal
21
Fuel pump relay output
6
—
22
Ground for exhaust gas temperature sensor 1
7
—
23
Boost pressure control solenoid valve
8
Brake lamp switch signal
24
—
9
Ground for A/C pressure sensor
25
Fuel injector No.2 (low side)
10
—
26
Fuel injector No.3 (low side)
11
Ground for exhaust gas temperature sensor 3
27
Fuel injector No.1 (low side)
12
Ground for diesel particulate filter differential
pressure
28
Fuel injector No.4 (low side)
13
Water detection signal in fuel filter
29
Fuel injector No.2 (high side)
14
Diesel particulate filter differential pressure
sensor signal
30
Fuel injector No.3 (high side)
15
Ground for EGR position sensor
31
Fuel injector No.4 (high side)
16
—
32
Fuel injector No.1 (high side)
Engine General Information and Diagnosis: 1A-11
Connector: C86
Connector: C48
Terminal
Circuit
Terminal
Circuit
1
—
25
EGR valve output
2
—
26
EGR valve output
3
Main power supply
27
Inlet throttle valve feedback
4
—
28
—
5
—
29
Exhaust gas temperature sensor 3 signal
6
—
30
—
7
Fuel flow actuator
31
Exhaust gas temperature sensor 2 signal
8
—
32
Fuel pressure sensor signal
9
—
33
Power source for A/C pressure sensor
10
—
34
—
11
Ground for ECT sensor
35
—
12
MAF sensor signal
36
—
13
A/C pressure sensor signal
37
—
14
Main relay output
38
—
15
CMP sensor signal
39
Additional heater relay No.1
16
CKP sensor (low side)
40
Inlet throttle valve drive
17
CKP sensor (high side)
41
Turbocharger electric water pump relay
18
Ground for CMP sensor and exhaust gas
temperature sensor 2
42
Power source for boost pressure sensor and
differential pressure sensor
19
Boost pressure sensor signal
43
Power source for EGR position sensor
20
EGR position sensor signal
44
—
21
—
45
Ground for boost pressure sensor
22
IAT sensor signal
46
Ground for fuel pressure sensor
23
ECT sensor signal
47
Power source for MAF sensor
24
Ground for MAF sensor
48
Power source for fuel pressure sensor
Terminal
Circuit
Terminal
Circuit
1
Ground for ECM
17
Cruise control switch signal
2
Main power supply
18
—
3
APP sensor 1 signal
19
—
4
Power source for APP sensor 1
20
Cruise control main switch signal
5
Ground for APP sensor 1
21
APP sensor 2 signal
6
—
22
—
7
Ground for ECM
23
Ground for cruise control switch
8
Ground for ECM
24
—
9
—
25
—
10
—
26
CAN (low) communication line (active low
signal)
11
Ignition switch signal
27
Ground for APP sensor 2
12
—
28
Brake lamp switch signal
13
A/C compressor relay output
29
—
14
—
30
CPP switch signal
15
Power source for APP sensor 2
31
12 V serial communication line of data link
connector
16
—
32
CAN (high) communication line (active high
signal)
1A-12 Engine General Information and Diagnosis:
Component Location
Electronic Control System Components Location
S5JB0B1103001
NOTE
The figure shows left-hand steering vehicle. For right-hand steering vehicle, parts with (*) are installed
at the opposite side.
1
2
3
e
c
B
A
f
g
h
i
C
4
D
E
j
k
l
m
F*
o
n
p
G*
q
r
s
I*
H*
6*
5*
K
14
J
u
9 8
t
7
10
11
L*
M*
12
v
13
w
x
y
a
15
a
b
d
I5JB0B110010-03
Information sensors
Control devices
Others
1. MAF sensor assembly with IAT sensor
a: Fuel injector
A: ECM
2. CMP sensor
b: Glow plug
B: ABS or ESP
® control module
3. A/C refrigerant pressure sensor (if equipped with A/C)
c: Fuel flow actuator
C: Fuel filter including fuel heater
4. Fuel filter water detection sensor
d: Additional heater plug
D: Glow plug control module
5. Brake lamp switch
e: Turbocharger electric water pump
E: Fuse box No.2
6. Accelerator pedal position (APP) sensor
f: Radiator fan relay No.3 (HIGH)
F: BCM
7. CKP sensor
g: Radiator fan relay No.2 (HIGH)
G: Combination meter
8. Boost pressure sensor
h: Radiator fan relay No.1 (LOW)
H: Immobilizer control module
9. ECT sensor
i: Fuel pump relay
I: Data link connector
10. Exhaust gas temperature sensor 3
j: Turbocharger electric water pump relay
J: A/C evaporator outlet temp.
sensor (if equipped with A/C)
11. Exhaust gas temperature sensor 2
k: Main relay
K: Fuel pump
12. Exhaust gas temperature sensor 1
l: A/C compressor relay (if equipped with A/C)
L: Battery
13. Differential pressure sensor
m: Fuel heater relay
M: 4WD control module
14. Rear wheel speed sensor (RH, LH) (VSS)
n: MIL
15. Fuel pressure sensor
o: Fuel filter warning light
p: Injection warning light (gravity 1 warning light)
q: Glow plug indicator light
r: Red stop warning light (gravity 2 warning light)
s: Diesel particulate filter warning light
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