Prins VSI CNG, Installation Manual

Page: 65 / 77

64
Diagram 31 LPG wiring 180/70008
diagnosis
connector
1 2 3 4
1 2 3 4
t° P
U
contra
connector
Petrol ECU
manufacturer :
version :
software :
tank
gauge
reducer
lock-off
valve
Filter unit
Psys / T-lpg sensor
Hall sensor
engine RPM
Oxygen
sensor 1
Bank 2
t°
1 2 3 4
Petrol injectors
1
2
3
4
5
6
7
8
Oxygen
sensor 1
Bank 1
t°
34 6 33 32 31 30 5 4 3 2
40 45 46
35 7 53
25 51
2
1
tank
lock-off
valve
2
1
31 Battery ground
ecu side inj 8
ecu side inj 7
red-yellow
light
blue-yellow
+ L
P
G
48 49 12
30 b12V
15 ignition switch
180/70008 VSI wiring diagram 8 cylinder LPG (without connectors)
15 18 17 22 23
fuel switch
50
m
a
in
g
roun
d
VSI LPG ECU
manufacturer : Prins
version :
software :
Engine
control
relay
VSI injectors
+
-
+
-
+
-
+
-
1 2 1 2 1 2 1 2
5 6 7 8
Petrol injectors
+
-
+
-
+
-
+
-
1 2 1 2 1 2 1 2
G INJ B plus
G INJ OUT 6
G INJ OUT 5
+ LPG injectors
ecu side inj 6
ecu side inj 5
brown-yellow
grey-yellow
red
black
brown-yellow
grey-yellow
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
pin
ground
MAP
Psys
+5 Volt
Psys
T-LPG
lpg 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 plus
RS232 TxD
RS232 RxD
sealed
inj. mod. command
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
+ LPG injectors black
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
Psys sensor ground
brown
brown
50
50
50
50
51
51
pin color
51
52
reducer 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 reducer valve
green-yellow
brown
red
green-yellow
54
INJ simulator ground
55
56
sealed
sealed
vsi wire vsi wire vsi wire vsi wire
Prins Alternative Fuel Systems
Version nr. / date
Checked by :
Designed : T.S. 23-04-2007
Approved by :
Project name :
1 / 29-05-2007
+12 volt diagnose red
ground
18
+5 Volt MAP red
50
switch ground brown
G INJ OUT 8
G INJ OUT 7
red-yellow
light
blue-yellow
lambda bank 2 orange-white
43 42
t°
2 1
T-ect
sensor
injection module
cylinder 1-2-3-4
26 27 13 54 39 38 37 36 8 9 10 11
injection module
cylinder 5-6-7-8
main
fuse
R.K. 23-04-2007
R.K. 23-04-2007
8 cyl. without conn.
1/1 Sheet :
Project name :
in
je
c
to
r fus
e
+ L
P
G in
je
c
tor
s
+ L
P
G in
je
c
tor
s
in
je
c
to
r fus
e