Isuzu 4HL1 Workshop Manual page 29

Component Layout
57
56
55
54
53
52
51
50
49
48
47
41,42,43,44,45,46
40
33,34,35,36,37,38
Legend
1 B-172
2 X-12
3 X-33
4 B-349, 350, 351,
352
5 J-31
6 J-50
7 J-166
8 P-5
9 P-1 & P-2
10 P-3 & P-4
11 E-3
12 E-115
13 E-113
14 E-94
14 E-94
15 E-114
1
39
32
31
26,27,28,29,30
Joint connector
Heater and air conditioner relay
Diode
VIM
Exhaust brake magnetic valve
Neutral switch
PTO accelerator sensor
Frame ground
Battery
Battery (24 V)
Glow plug
Injector
Common rail pressure sensor
EGR vacuum sensor
EGR valve
Intake throttle position sensor
2,3
4
24
25
Engine Control System 1A-27
5
6
7
8
9
10
14
13
12
11
23
22
21
(825/151)
(810/002)
(826/646)
(101/867)
(011/010)
(040/031)
(040/211)
(057/667)
(057/001)
(025/373)
15
16
17
18
19
20
LNW21ALF006301
(156/086)
(230/171)