Prins VSI CNG, Installation Manual

Page: 72 / 77

71
Diagram 38 CNG wiring 095/72045
+
-
1 2 3 4
1 2 1 2 1 2 1 2
diagnosis
connector
contra
connector
pressure gauge
WIKA
Main
lock-off
valve
26 27 13 54
1
2
3
4
Oxygen
sensor 1
Bank 1
t°
34 33 32 31
46
35 53
25 51
2
1
31 Battery ground
+ CNG
48 49 12
30 b12V
15 ignition switch
CNG Wiring diagram 4 cylinder connector CNG NOT RELEASED!
22 23
fuel switch
IGPS CNG
50
Engine
control
relay
VSI injectors
36 37 38 39
Petrol injectors
30
tank
lock-off
valve
2
1
P
U
1 2 3 4
Spare
connector
Spare contra
connector
1
2
3
Main
fuse
2 A Injector
fuse
10 A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
pin
ground
MAP
Psys
T-Gas
cng temp.
ig
pulse fuel switch
sealed
color
black
yellow
grey-white
black
grey
blue
light
green
red
31
32
33
34
35
36
37
38
pin
+12 volt battery
ig
+ G INJ A OUT
RS232 TxD
RS232 RxD
sealed
sealed
G INJ A ground
G INJ OUT 4
color
grey
red
red-white
pink-yellow
green-yellow
white-yellow
red
grey-white
black
blue-yellow
grey
23
24
25
26
27
28
29
30
20
21
22
sealed
sealed
G INJ OUT 3
G INJ OUT 2
G INJ OUT 1
+ G INJ A IN green-yellow
ecu side inj 4
ecu side inj 3
ecu side inj 2
pink-yellow
green-yellow
blue-yellow
pin
TPS throttle position
sealed
ECT sensor ground
ECT coolant temp.
sealed
beeper low switching
diagnose LED
color
brown
green
black
orange
42
43
44
45
46
47
48
49
39
40
41
ecu side inj 1 white-yellow
RPM engine speed purple-white
grey
lambda bank 1
orange
42
42
MAP sensor ground brown
brown
50
50
50
50
51
51
pin color
51
52
main valve ground
main ground
tank valve ground
diagnose ground
+12 volt fuel switch
brown
brown
brown
brown
red
+12 volt battery red
53
53
sealed
53
power fuel indication
power tank valve
power main valve
green-yellow
brown
red
green-yellow
54
INJ module ground
55
56
sealed
sealed
vsi wire vsi wire vsi wire vsi wire
sealed
+12 volt diagnose red
lambda bank 2
ground
sealed
sealed
sealed
sealed
sealed
sealed
sealed
sealed
sealed
18
+5 Volt MAP red
50
switch ground brown
1 3 4
+
C
N
G
i
nj
e
c
to
rs
Petrol ECU
manufacturer : n.a.
version : n.a.
software : n.a.
Injection module
manufacturer : Prins
part number : 091/71004
version : A
VSI ECU
manufacturer : Prins
part number : 080/70001
software :
version : C / D
Prins Alternative Fuel Systems
Revision / by / date
Checked by / date
Designed by/ date JT / 18-09-07
Approved by / date
Sheet : 1/1
Description :
Part nr :
CNG 4 cyl. conn.
095/72045
Project name :
095/72045
2
40
Optional PTO use
Optional
injection module
cylinder 1-2-3-4
A2
B2
C2
B3
C3
B4
C4
B5
C5
A3 A4 A5 C8 B8 B1
A1
A2
A3
A4
A5
A6
B6
A7
A8
B1
B2
B3
B4
B5
B8
B7
vsi ecu
C6
C1
C2
C3
C4
C5
C8
C7
petrol injector
petrol injector
petrol injector
petrol injector
vsi ecm
white-yellow
green-yellow
pink-yellow
blue-yellow
white
green
pink
blue
grey-white
red-white
13 ingnition plus
39 ecu side 1
38 ecu side 2
37 ecu side 3
36 ecu side 4
26 inj. mod. command
min inj side 1
brown 54 inj. mod. ground
petrol ecu
petrol ecu
vsi ecu
white-yellow
green-yellow
pink-yellow
blue-yellow
vsi ecu
vsi ecu
vsi ecu
vsi ecu
petrol ecu
petrol ecu
39 ecu side 1
38 ecu side 2
37 ecu side 3
36 ecu side 4
min inj side 2
min inj side 3
min inj side 4
injection module
1 3 4 2
Hall sensor
engine RPM
or Tacho signal
Oxygen
sensor 2
Bank 2
t°
45
1 14 29
orange-white
t°
1 2 3 4
t° P
U
T-ect
sensor
43 42 15 18 17
Filter unit
Psys / T-cng sensor
2 1
1
2
3
16
1
2
3
Map/Turbo
connector
Map/Turbo
contra
connector
Optional
Map/Turbo sensor use
m
ain
gro
u
n
d
26 Inj. mod.command
+5 Volt
P/T sys
P/Tsys sensor ground