Suzuki Grand Vitara JB416 / JB420 / JB419. Manual — part 82
1A-275 Engine General Information and Diagnosis: For Diesel Engine Model
Terminal Arrangement of ECM Coupler (Viewed from Harness Side)
Connector: C85
5. Fuel injector No.4
26. Glow plug
49. ABS or ESP
® control module
6. CKP sensor
27. Fuel pump relay
50. 4WD control module
7. CMP sensor
28. Fuel pump
51. BCM
8. Exhaust gas temperature sensor 2*
29. Additional heater relay No.1
52. Immobilizer control module
9. Exhaust gas temperature sensor 3*
30. Additional heater relay No.2
53. Combination meter
10. Differential pressure sensor*
31. Additional heater relay No.3
54. Malfunction indicator light (MIL)
11. Boost pressure sensor
32. Additional heater plug
55. Injection warning light (gravity 1
warning light)
12. Exhaust gas temperature sensor 1
33. A/C compressor relay
56. Red stop warning light (gravity 2
warning light)
13. ECT sensor
34. A/C compressor
57. Diesel particulate filter warning
light*
14. Fuel pressure sensor
35. Radiator fan relay No.1 (LOW)
58. Glow plug indicator light
15. EGR valve
36. Radiator fan relay No.2 (HIGH)
59. Fuel filter warning light
15-1. EGR motor
37. Radiator fan relay No.3 (HIGH)
60. Meter driver
15-2. EGR stroke sensor
38. Radiator fan motor No.1
61. Body ground
16. A/C refrigerant pressure sensor (if equipped
with A/C)
39. Radiator fan motor No.2
62. Engine ground
17. Accelerator pedal position (APP) sensor
assembly
40. Inlet throttle valve
63. Barometric pressure sensor
18. Cruise control switch
41. Boost pressure control solenoid valve
64. Steering angle sensor (ESP
®
model)
19. Data link connector (DLC)
42. Turbocharger electric water pump relay
65. Keyless start control module
20. Fuel filter water detection sensor
43. Turbocharger electric water pump
21. Brake light switch
44. MAF sensor assembly with IAT sensor
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: For Diesel Engine Model 1A-276
Connector: C86
Connector: E66
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 light 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-277 Engine General Information and Diagnosis: For Diesel Engine Model
Component Location
Electronic Control System Components Location
S6JB0A1123001
NOTE
• The figure shows left-hand steering vehicle. For right-hand steering vehicle, alphabets / numbers /
parts with asterisks (**) are installed at the opposite side.
• For vehicle without diesel particulate filter, alphabets / numbers/parts with asterisk (*) below are not
equipped.
1
2
3
e
c
B
A
f
g
h
i
C
4
D
E**
j
k
l
m
F**
q
o
r
G**
s*
p
n
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
I6JB0A112005-02
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
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 light 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
11. Exhaust gas temperature sensor 2*
k: Main relay
K: Fuel pump
12. Exhaust gas temperature sensor 1
l: A/C compressor relay
L: Battery**
13. Differential pressure sensor*
m: Fuel heater relay
M: 4WD control module**
14. Rear wheel speed sensor (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
Engine General Information and Diagnosis: For Diesel Engine Model 1A-278
Diagnostic Information and Procedures
Malfunction Indicator Lamp (MIL) Check
S6JB0A1124001
Malfunction indicator lamp (1) signals an antipollution
system failure.
Check that it lights up for 3 seconds after the ignition
switch is turned ON, and then it goes OFF (automatic
test procedure).
If light remains ON after an automatic test procedure, go
to “DTC Check: For Diesel Engine Model”.
After the ignition switch is turned ON, if light does not
light up or remains ON, check that malfunction indicator
lamp circuit.
Injection Warning Light (Gravity 1 Fault) Check
S6JB0A1124002
Injection warning light (1) serves to indicate proper
functioning and to signal system failures.
After the ignition switch is turned ON, if lights remains
ON, go to “DTC Check: For Diesel Engine Model”.
If injection warning light flashes ON and OFF, there is
some trouble in the immobilizer control system referring
to “On-Board Diagnostic System Description (Self-
diagnosis Function): For Diesel Engine Model in Section
10C”.
Red Stop Warning Light (Gravity 2 Fault) Check
S6JB0A1124003
Red stop warning light (1) serves to indicate proper
functioning and to signal system failures.
After the ignition switch is turned ON. if light remains ON,
go to “DTC Check: For Diesel Engine Model”.
r: Red stop warning light (gravity 2 warning light)
s: Diesel particulate filter warning light*
t: Inlet throttle valve
u: EGR valve
v: Boost pressure control solenoid valve
w: Additional heater relay No.1
x: Additional heater relay No.2
y: Additional heater relay No.3
Information sensors
Control devices
Others
1
I5JB0B110011-02
1
I5JB0B110012-02
1
I5JB0B110013-02
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