Content .. 90 91 92 93 ..

Westfalia. Testing repair electrical manual - part 92

R17

Glow plug

S123

Switch for cruise
control

S123s1 Resume from

memory

S123s2 Decelerate/set

S123s3 Accelerate/set

S123s4 Off

S123s5 Control contact

S123x1 Tempomat switch

connector

Ground point
firewall

Ground point
(engine
compartment)

Y87

Boost pressure
control pressure
transducer

PE07.16-D-2000-
60E

Legend of wiring diagram of
common rail diesel injection
(CDI)

ENGINE 612.981 in MODEL
XD1, XD2, XD3, XD4, XD5,
XD6, XD7, YD1, YD2, YD3,
YD4, YD5, YD6, YD7, WD1,
WD2, WD3, WD6, WD7
ENGINE 612.981 in MODEL
903.61 /66 /67, 904.61 /66
with CODE (ZU7) National
version for Canada
ENGINE 612.981 in MODEL
903.61 /66 /67, 904.61 /66
with CODE (ZU8) National
version for USA
ENGINE 612.981 in MODEL
903.61 /62 /66 /67, 904.61
/62 /66
with CODE (ZU9) National
version for Mexico
vehicle wiring harness

Code

Designation

Coordinate

A10

Airbag control unit

27L

A12

Electrical center

A80

CDI control unit

4A
12A
20A
28A

B96

Pedal value sensor

B97

Kickdown switch

32L

B101

Mass air flow sensor

14L

B112

Boost pressure sensor

10L

Glow time output stage

21L

F140

Fuse box

18J

F140.5

Circuit 30 fuse (125 A)

18G

Battery

18L

G14

Charge air temperature sensor

J18

Circuit 15 fused connector sleeve

27E

J342

Circuit 30 connector sleeve

J352

Circuit 50 connector sleeve

J371

Airbag crash signal connector sleeve

27E

J421

CAN-low connector sleeve

24E

J422

CAN-high connector sleeve

25E

P17

Diagnostic socket 16-pin

R13

Glow plug

20G

R14

Glow plug

20G

R15

Glow plug

21G

R16

Glow plug

21G

R17

Glow plug

22G

S123

cruise control switch

29L

S123s1

Resume from memory

30J

S123s2

Decelerate/set

30K

S123s3

Accelerate/set

30K

S123s4

Off

30K

S123s5

Control contact

30L

S123x1

Tempomat switch connector

28H

Firewall ground point

2E
17G

Engine compartment ground point

22G

Y87

Boost pressure control pressure transducer

16L

GF00.19-D-3100-
55B

Arrangement and assignment of
terminal block connectors
common rail diesel injection
(CDI)

Engine 612.981 in models
XD1, XD2, XD3, XD4, XD5,
XD6, XD7, YD1, YD2, YD3,
YD4, YD5, YD6, YD7, WD1,
WD2, WD3, WD6, WD7
Engine 612.981 in models
903.61/
66/67, 904.61/66 with code
(ZU7) National version for
Canada
Engine 612.981 in models
903.61/
66/67, 904.61/66 with code
(ZU8) National version for
USA
Engine 612.981 in models
903.61/
62/66/67, 904.61/62/66
with code (ZU9) National
version for Mexico

D00.19-1353-09

D00.19-1155-09

Terminal

block

Designation

Compo-
nent

Designation

Con-
nector

Pin

J18

FWH/engine compartment (behind
battery)

A10

Airbag control unit

1.5

Circuit 15 fused connector sleeve

A12

Electrical center

4.3

A80

CDI control unit

2.13

K79

Circuit 15 body manufacturer relay

P15

Instrument cluster

2.10

J340

FWH/waistrail (next to firewall
rubber grommet)

ABS/ESP control unit

1.24

CAN-high connector sleeve

A62

WSP control unit

J422

CAN-high connector sleeve

P15

Instrument cluster

1.18

X82

Frame/waistrail connector

X217

Frame/waistrail connector

J342

FWH (close to A80.1)

A12

Electrical center

5.2

Circuit 30 connector sleeve

A80

CDI control unit

1.7
1.8

J352

FWH/waistrail (next to firewall

A12

Electrical center

3.3

rubber grommet)

Circuit 50 connector sleeve

A80

CDI control unit

3.20

K61

Starter relay

J371

FWH/seat frame (behind rubber
grommet)

Central locking control unit

1.11

Airbag crash signal connector
sleeve

A10

Airbag control unit

1.20

A80

CDI control unit

2.17

J378

FWH/waistrail (next to firewall
rubber grommet)

ABS/ESP control unit

1.40

CAN-low connector sleeve

A62

WSP control unit

J421

CAN-low connector sleeve

P15

Instrument cluster

1.17

X82

Frame/waistrail connector

X217

Frame/waistrail connector

J402

FWH (close to A80.1)

A12

Electrical center

4.4

Exhaust gas recirculation connector
sleeve

A80

CDI control unit

1.1

X195

Frame/engine connector

J403

EWH (close to A80.4)

A80

CDI control unit

4.17

Exhaust gas recirculation connector
sleeve

B110

Engine oil sensor

Y85

EGR positioner

J404

EWH (close to A80.5)

A80

CDI control unit

5.2

Injectors connector sleeve

Y14

Injector 4

Y16

Injector 1

Y18

Injector 3

J405

EWH (close to A80.5)

A80

CDI control unit

5.4

Injectors connector sleeve

Y17

Injector 2

Y65

Injector 5

J406

EWH (close to X195)

R41

Crankcase breather heater

Exhaust gas recirculation connector
sleeve

X195

Frame/engine connector

Y85

EGR positioner

J421

FWH/seat frame (behind rubber
grommet)

ETC control unit

2.L

CAN-low connector sleeve

A80

CDI control unit

2.12

J378

CAN-low connector sleeve

J422

FWH/seat frame (behind rubber
grommet)

ETC control unit

2.H

CAN-high connector sleeve

A80

CDI control unit

2.11

J340

CAN-high connector sleeve

PE07.16-D-2000-99F

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A12 Electrical center

A80 CDI control module

B108 Camshaft sensor

B110 Engine oil sensor

B113 Rail pressure sensor

B129 Water separator

level sensor

B132 Low pressure

sensor

B16 Coolant temperature

sensor

B30 Fuel temperature

sensor

B73 Crankshaft sensor

J402 Exhaust gas

recirculation
connector sleeve

J403 Exhaust gas

recirculation
connector sleeve

J404 Injectors connector

sleeve

J405 Injectors connector

sleeve

J406 Exhaust gas

recirculation
connector sleeve

R41 Crankcase breather

heater

X195 Frame/engine

connector

Y14 Injector 4

Y16 Injector 1

Y17 Injector 2

Y18 Injector 3

Y65 Injector 5

Y85 Exhaust gas

recirculation
positioner

Y92 Rail pressure control

valve

Y93 High-pressure pump

element shutoff

Content .. 90 91 92 93 ..