Volkswagen TDI 3.0L V6 Diesel Marine Engine Service Repair Factory Manual
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Current flow diagram
6 Cylinder
without instruments
Boat Eng
Boat Eng
Boat Eng
Boat Eng
ines from
ines from
ines from
ines from
Volkswa
Volkswa
Volkswa
Volkswa
gen Marine
gen Marine
gen Marine
gen Marine
V6 TDI
without instruments
VOLKSWAGEN marine
Ident-Check 2 slp-v6cr-ohne-instr-en 3/2007
V6 TDI
without instruments
Kl 30 Kl 30a
Kl 15
Kl 31 Kl 31
1 2 3 4 7 11 13 15 17
+
-
A
1
2
S88
800A
(optional)
1
2
Fxx
main switch
(option)
M
30 50
B
5 6 8 9 10 12 14 16 18
G
LDF B+
C
C1
2/30 4/86
8/87 6/85
J600
4/ 5/ 8/
2/ 6/
J79
7/
3/
1/
8/87 6/85
2/30 4/86
J592
149
1
2
S190
30A
alternator Starter
Starting
battery
+
-
A1
second.
battery
2/30 4/85
8/87 6/86
J7
control of
secondary battery
(option)
A Batteriy J591 Option "ground free" relay
B Starter S190 terminal 30 fuse
C Alternator S88 fuse (option)
C1 Control unit within alternator A1 secondary battery (option)
J 7 battery sep. relay T37 37pin connector at central electric
J19 starter relais T15 15pin connector in central electric
J79 diode group T21 21pin connector in central electric
J 592 terminal 15 relay Kl 30b terminal 30 to instruments
J 600 starting aid relay Kl 15 iterminal 15 at engine
E190 stop switch Kl 30a terminal 30 at engine
T9 9pin connector in central electric
VOLKSWAGEN marine
a
T37/D
T15/1-2
T15/7-8
T37/a
T15/4
T15/12 T15/3 T21-19
2/30 4/86
8/87 6/85
J19
12
12
T37/B
T37/d
Kl 30b
130 128
T37/A
152
151
136
T37/L
3
4
E190
1
2
T9-7
T9-2
28
T37-c
18a
22
rt
35
sw
35
sw
35
rt
35
rt
25
rt
25
bl
0,5
rt/ws
2,5
gr
1
gn
1
in centr. el.
2/30 4/85
8/87 6/86
J591
conection to feature
Connector B Pin 4 und 3
Option
engine block
replace wire
with option
"ground free"
Starter, alternator 3 slp-v6cr-ohne-instr-en 3/2007
control via
T37/L
V6 TDI
without instruments
Kl 30a Kl 30a
Kl 15 Kl 15
Kl 31 Kl 31
19 20 21 24 28 30 32 34 22 23 25 26 27 29 31 33 35 36
1
2
V236
M
2/30 4/86
8/87 6/85
J595
a
1
2
E354
1
2
S291
1
2
S292
T2/1
T2/2
connector 2-pin
for option (Feat-A)
1
2
S293
T6/1
T37/M
T6/6
connector 6-pin
for option (Feat.-B)
T6/3
T37/m
T6/5
Gear Lub Level
Trimm Level Gauge
S291 fuse oil extr. pump T9 9pin connector in central electric
S292 fuse for options
S293 fuse for options
V236 oil extraction pump
J595 Rrelay oil extraction pump
E354 key for oil extraction pump
T15 15pin connector in central electric
T37 37pin connector at central electric
T2 Feature Stecker A
T6 Feature Stecker B
T6/2 T6/4
T9-3
T15/6 T15/9
T9-6
T15/12
159
138
T12/11 T12/12
17
T15/14
18a
sw
1
sw
1
rt
1
sw
1
br
1
rt/gb
1
gn
1
gn/ws
1
br/ws
1
br
1
br
1
ws
1
T12/2
VOLKSWAGEN marine
oil extrak. pump, options 4 slp-v6cr-ohne-instr-en 3/2007
colors:
rt = red sw = black bl = blue
ws = white gb = yellow gr = gray
gn = green li = violett
in centr. el.
V6 TDI
without instruments
Kl 30a Kl 30a
Kl 15 Kl 15
Kl 31 Kl 31
37 38 39 42 46 48 50 52 40 41 43 44 45 47 49 51 53 54
T154/109
2/30 6/86
8/87 1/T
J317
5/87a
T154/063 T154/065 T154/066
T154/061 T154/062
443 951 253 AA
2/30 4/85
8/87 6/86
J595
not
installed
42
T154/112
1
2
S81
T154/078
T154/064
6 4 3 2 1
F60 G79
T154/140 T154/99 T154/139 T154/142 T154/117
T154/083
42
Kl 87a
1
2
S117
5/87a 1/86
2/30 6/85
J594
140
J317 main relay T37 37pin at central electric
S81 fuse fuel pump (not used) T21 21pin in central electric
S117 Sicherung Kl. 87a (Sicherung Stellglieder) T15 15pin in central electric
J595 relay fuel pump (not installed)
J623 MDC
F60 idle switch in acc. paddle
G79 potentiometer in acc. paddle
J594 engine stop relay
T154 154pin two part connector (1-60 / 61-154)
T21-15
T21-17 T21-20 T21-21
T21-14
T21-18
T15-10
T15-13
J623
T37-P
TT37-F
T154/118 T154/120
T154/008 T154/045 T154/129 T154/014 T154/067 T154/086 T154/102 T154/030
107
in centr. el.
gb
0,35
gr
0,35
gr/br
0,35
br
0,35
rt
0,35
ws
0,35
T6-6 T6-4 T6-5 T6-3 T6-2 T6-1
T6-6 T6-4 T6-5 T6-3 T6-2 T6-1
VOLKSWAGEN marine
main relay, acc. pad. 5 slp-v6cr-ohne-instr-en 3/2007
colors:
rt = red sw = black bl = blue
ws = white gb = yellow gr = gray
gn = green li = violett
132
V6 TDI
without instruments
Kl 30a Kl 30a
Kl 15 Kl 15
Kl 31 Kl 31
55 56 57 60 64 66 68 70 58 59 61 62 63 65 67 69 71 72
T154/136 T154/138
T154/132 T154/126 T154/127 T154/149
T37/K T37/R T37/N T37/C
61
61
16
4 7
T16 Diagnose
11 3
CR - Injektor
A1 -
A2 +
CR - Injektor
A1 -
A2 +
CR - Injektor
A1 -
A2 +
CR - Injektor
A1 -
A2 +
CR - Injektor
A1 -
A2 +
CR - Injektor
A1 -
A2 +
T154/017 T154/002 T154/003 T154/018 T154/001 T154/016 T154/046 T154/031 T154/032 T154/047 T154/048 T154/033
Cylinder 1 Cylinder 2 Cylinder 3 Cylinder 4 Cylinder 5 Cylinder 6
Kl 87a Kl 87a
1
2
G235 Ï‘
exhaust temp.
T16 Diagnosis connector in central electric T9 9pin connector in central electric
G235 sensor for exhaust temp.
N30 injector cylinder 1
N31 injector cylinder 2
N32 injector cylinder 3
N33 injector cylinder 4
N83 injector cylinder 5
N84 injector cylinder 6
J623 MDC
T21 21pin connector in central electric
T154 154pin two part connector (1-60 / 61-154)
T21-6 T21-12 T21-1 T21-3
N30 N31 N32 N33 N83 N84
J623
136 141 139
T9-4 T9-5 T9-8
T154/123 T154/131 T154/097 T154/021 T154/128 T154/113 T154/147
in centr. el.
br 0,35
gn
0,35
li/gb
1
li
1
gn/gb
1
ws/gb
1
bl/gb
1
gn
1
ws
1
bl
1
gb/bl
1
gr/gb
1
gb
1
gr
1
T9-9 T9-1
gn 1
bl 1
gr 1
li 1
ge 1
2
5
4
3
1
intern connector
(not used)
sw 1
gn 1
rt/gb
br 1
rt 1
VOLKSWAGEN marine
injection 6 slp-v6cr-ohne-instr-en 3/2007
colors:
rt = red sw = black bl = blue
ws = white gb = yellow gr = gray
gn = green li = violett
129
V6 TDI
without instruments
Kl 30a Kl 30a
Kl 15 Kl 15
Kl 31 Kl 31
73 74 75 78 82 84 86 88 76 77 79 80 81 83 85 87 89 90
1
2
1
2
T154/005 T154/004
Fuel pres.
regulating valve
fuel metering
valve
Kl 87a Kl 87a
4 2 3
1
G31
G42
boost pres.
and temp.
T154/026 T154/007 T154/041 T154/056
1
2
G81
Ï‘
fuel
temp.
T154/039 T154/010
1 2 3
G247
coolant
temp.sensor
T154/054 T154/040 T154/055 T154/052 T154/053
3
4
G62
1
2
G2
Ï‘ Ï‘
166
rail pres.
sensor
N276 fuel pres. regulating valve
N290 fuel metering valve
G31/42 boost pressure and temp. sensor
G81 fuel ftemp.sensor
G247 rail pres. sensor
G62/G2 coolant temp. sensor
J623 MDC
T37 37pin connector at the central electric
T9 9pin connector in the central electric
T154 154pin two part connector (1-60 / 61-154)
N276 N290
Wassertemp.
J623
T12-6
T37-n
in centr. el.
br/rt
0,5
br/li
0,5
bl/ws
1
rt/ws
0,5
br
0,5
rt
0,5
gn/ws
0,5
gr
0,5
gr/ws
0,35
gr/rt
0,35
br/gb
0,5
br/gr
0,5
br
0,5
bl/gr
0,35
bl/gn
0,35
br
0,35
bl/rt
0,35
VOLKSWAGEN marine
injection 7 slp-v6cr-ohne-instr-en 3/2007
colors:
rt = red sw = black bl = blue
ws = white gb = yellow gr = gray
gn = green li = violett
V6 TDI
without instruments
Kl 30a Kl 30a
Kl 15 Kl 15
Kl 31 Kl 31
91 92 93 96 100 102 104 106 94 95 97 98 99 101 103 105 107 108
2 1 3
G28
2 3 1
G40
rpm sensor hall sensor
T154/043 T154/058 T154/029 T154/028 T154/027 T154/020 T154/145
4 3
1 2
control unit turbo
T154/036 T154/148 T154/019 T154/091
G28 rpm sensor
G40 hall sensor
J724 control unit for turbo charger
J623 mdc
T37 Stecker an ZE
T154 154pin two part connector (1-60 / 61-154)
J724
T154/28
123
J623
Kl 87a Kl 87a
47
in centr. el.
sw
0,35
ge
0,35
gn
0,35
ge/li
0,35
ge/sw
0,35
br/gn
0,35
br/ws
1
gr
05
br
0,5
rt/bl
0,5
VOLKSWAGEN marine
injection 8 slp-v6cr-ohne-instr-en 3/2007
colors:
rt = red sw = black bl = blue
ws = white gb = yellow gr = gray
gn = green li = violett
V6 TDI
without instruments
Kl 30a Kl 30a
Kl 15 Kl 15
Kl 31 Kl 31
109 110 111 114 118 120 122 124 112 113 115 116 117 119 121 123 125 126
1
2
F1
oil pres. switch
157
F 1 oil pres. switch Kl 31 terminal 31 (gnd)
J 597 relay water seperator (fuel)
G 63 water in fuel sesor
J 598 acoustic alert relay F 1b oil pres. switch (option "ground free")
T12 12pin connector in central electric
T37 37pin connector at central electric
F297 coolant temp switch
4
5
1
2
J597
1
2
G63
8
J598
1 2 3 5 6 7 9
4
156
105
161
T12-1
T12-2
T37-T
T37-S T21-9
Kl 15a Kl 15a
142
143
T37-h
T37-j
T37-p
F297
1
2
Ï‘
T12-5
158
T37-k
in centr. el.
br/rt
0,5
br
0,5
T2-1 T2-2
br
0,5
gr/sw
0,5
gr/sw
0,5
1
2
F1b
VOLKSWAGEN marine
alert control 9 slp-v6cr-ohne-instr-en 3/2007
colors:
rt = red sw = black bl = blue
ws = white gb = yellow gr = gray
gn = green li = violett
for option
"ground free"
V6 TDI
without instruments
VOLKSWAGEN marine
37pin socket 10 slp-v6cr-ohne-instr-en 3/2007
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
S
T
U
V
W
X
Z
a
b
c
d
e
f
g
h
j
k
m
n
p
r
s
14
60
13
40
57
18
26
59
49
58
121
120
15
16
14
113
109
125
25
122
Kl. 30a
Kl. 31
127
128
129
130
131
132
133
134
135
136
136
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
89
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What's Included?
Lifetime Access
Fast Download Speeds
Offline Viewing
Access Contents & Bookmarks
Full Search Facility
Print one or all pages of your manual
$31.99
This Service Manual is an essential resource for repairing the Volkswagen TDI 3.0L V6 Diesel Marine Engine. It contains comprehensive technical data, diagrams, and a complete list of parts, making it indispensable for both professional mechanics and DIY enthusiasts.
- Models Covered:
- Volkswagen TDI 3.0L 225-6
- Volkswagen TDI 3.0L 265-6
The Service Repair Factory Manual covers a wide range of topics including:
- Technical Data
- Self-Diagnosis
- Removing and Installing Engine
- Crankshaft Group
- Cylinder Head, Valve Gear
- Lubrication
- Cooling System
- Fuel Supply System
- Charging
- Mixture Preparation, Injection
- Exhaust System
- Starter, Current Supply
- Glow Plug System
- Gauges, Instruments
- Wiring
The manual is available in PDF format and is compatible with all versions of Windows and Mac. It is presented in English and requires Adobe Reader or similar software. Whether you're working in a garage or tackling repairs at home, these manuals provide step-by-step instructions suitable for all skill levels, helping you save money on repairs.
