Suzuki Grand Vitara JB416 / JB420 / JB419. Manual — part 195
1G-53 Fuel System: For Diesel Engine Model
Special Tools and Equipment
Recommended Service Material
S6JB0A1728001
NOTE
Required service material is also described in the following.
“Injection Pump Components: For Diesel Engine Model”
Special Tool
S6JB0A1728002
09911–75410
09911–75420
Diesel injection-line wrench
Crow foot flare-nut wrench
18.17)
09912–96510
09912–96520
Injection pump pulley
remover
Adaptation crow
Mot. 1525)
Mot. 1525-03)
09912–96530
09919–47020
Injection pump pulley
locking
Quick joint remover
SUZUKI scan tool
—
This kit includes following
items. 1. Tech 2, 2. PCMCIA
card, 3. DLC cable, 4. SAE
16/19 adapter, 5. Cigarette
cable, 6. DLC loop back
adapter, 7. Battery power
cable, 8. RS232 cable, 9.
RS232 adapter, 10. RS232
loop back connector, 11.
Storage case, 12.)
Ignition System: For Petrol Engine Model 1H-1
Engine
Ignition System
For Petrol Engine Model
General Description
Ignition System Construction
S6JB0A1801001
The ignition system is an electronic (distributor less)
ignition system. Especially a direct ignition system is
adopted for J20 engine. They consists of the parts as
described below.
• ECM
It detects the engine and vehicle conditions through
the signals from the sensors, determines the most
suitable ignition timing and time for electricity to flow
to the primary coil and sends a signal to the ignitor
(power unit) in the ignition coil assembly.
• Ignition coil assembly (including an ignitor and an
ignition coil)
The ignition coil assembly has a built-in ignitor which
turns ON and OFF the current flow to the primary coil
according to the signal from ECM. When the current
flow to the primary coil is turned OFF, a high voltage is
induced in the secondary coil.
• High-tension cords (for M16 engine) and spark
plugs
• CMP sensor (Camshaft position sensor) and CKP
sensor (Crankshaft position sensor)
Using signals from these sensors, ECM identifies the
specific cylinder whose piston is in the compression
stroke, detects the crank angle and adjusts initial
ignition timing automatically.
• TP sensor, ECT sensor, MAP sensor, MAF sensor,
IAT sensor, knock sensor, wheel speed sensor
(VSS) and other sensors / switches
For M16 engine, this ignition system does not have a
distributor, it has two ignition coil assemblies (one is for
No.1 and No.4 spark plugs and the other is for No.2 and
No.3 spark plugs). When an ignition signal is sent from
ECM to the ignitor in the ignition coil assembly for No.1
and No.4 spark plugs, a high voltage is induced in the
secondary coil and that passes through the high-tension
cords and causes No.1 and No.4 spark plugs to spark
simultaneously. Likewise, when an ignition signal is sent
to the ignitor in the other ignition coil assembly, No.2 and
No.3 spark plugs spark simultaneously.
For J20 engine, although ignition system does not have
a distributor and high-tension cords but each cylinder
has an ignition coil assembly (ignitor and ignition coil)
and the secondary voltage which occurred in the ignition
coil is sent to the spark plug directly. Also, the signal (s)
are sent from the CMP sensor to ECM so as to control
each ignition coil independently through the ignitor (in
ignition coil assembly).
1H-2 Ignition System: For Petrol Engine Model
Schematic and Routing Diagram
Ignition System Wiring Circuit Diagram
S6JB0A1802001
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
E23-60
E23-29
12V
5V
E23-1
E23-16
BLK/WHT
BLU/BLK
BLU/BLK
BLU/BLK
BLK/RED
BLK/RED
BLK/RED
BLK/YEL
WHT/GRN
BLK
BLU
BLK/ORN
1
2
11
C37-15
C37-29
C37-48
13
14
15
16
17
5
6
BLK/YEL
C37-51
5V
5V
C37-52
WHT/RED
WHT/BLU
5V
5V
BLK/WHT
BLK/WHT
BRN/BLK
BRN
C37-20
C37-21
BLK/ORN
BLK/ORN
C37-30
BLK/ORN
BLK/YEL
BLK/YEL
BLK/YEL
C37-58
[A]
[B]
3
4
7
8
9
10
12
E23-60
E23-29
12V
5V
E23-1
E23-16
BLK/WHT
BLU/BLK
BLU/BLK
BLU/BLK
BLK/RED
BLK/RED
BLK/RED
BLK/YEL
WHT/GRN
BLU
BLK/ORN
1
2
11
C37-15
C37-29
C37-48
13
14
15
16
17
5
6
BLK/YEL
5V
C37-52
WHT/RED
5V
5V
BLK/WHT
BRN/BLK
BRN
C37-20
C37-21
5V
5V
BLK/WHT
BRN/YEL
BRN/WHT
C37-18
C37-19
BLK/ORN
BLK/ORN
BLK/ORN
BLK/ORN
C37-30
BLK/ORN
BLK/YEL
BLK/YEL
BLK/YEL
C37-58
C37-51
C37-36
BLU
PNK
BLK
7
8
9
10
18
20
19
21
12
BLK
I5JB0A180001-02
[A]: For M16 engine
7. No.1 spark plug
15. “FI” fuse
[B]: For J20 engine
8. No.2 spark plug
16. Junction block
1. Ignition switch
9. No.3 spark plug
17. “IG COIL” fuse
Ignition System: For Petrol Engine Model 1H-3
2. Main relay
10. No.4 spark plug
18. Ignition coil assembly for No.1
3. Ignition coil assembly for No.1 and No.4 spark
plugs
11. Sensed information (MAP sensor, ECT
sensor, MAF and IAT sensor, TP sensor,
Knock sensor, wheel speed signal (ABS),
Electric load signal, Engine start signal,
Torque reduction signal (TCM))
19. Ignition coil assembly for No.2
4. Ignition coil assembly for No.2 and No.3 spark
plugs
12. ECM
20. Ignition coil assembly for No.3
5. CMP sensor
13. Fuse box No.2
21. Ignition coil assembly for No.4
6. CKP sensor
14. “IGN” fuse
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