1998 VOLKSWAGEN BORA wiring

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Switch to measuring range:
Resistance measurement (2 k )
Test
step V.A.G
1598
sockets Item tested Test
conditions
- Additional
operations Specification
Measures for
deviations from
specification
7 22 + 23 Resistance of
right rear ABS
wheel speed
sensor -G44-
Ignition
switched
off 1.0 to 1.3 k
Electrical Wiring
Diagrams,
Troubleshooting &
Component Locations
binder
If no malfunction can be
located in the wiring:
Repair Manual, Brake
System, Repair Group
45; Removing and
installing parts of ABS
system on front and rear
axles - Separate connector on
right rear ABS wheel
speed sensor -G44
- Check wiring using
wiring diagram
- Wiggle wiring during
test
- Replace right rear ABS
wheel speed sensor -
G44-
Стр. 15из 31 ABS, ABS/EDL and ABS/EDL/ASR ITT Mark 20 IE, electrical check

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Switch to measuring range:
Resistance measurement (2 k )
Test
step V.A.G
1598
sockets Item tested Test
conditions
- Additional
operations Specification
Measures for
deviations from
specification
8 5 + 6 Resistance of
left rear ABS
wheel speed
sensor -G46-
Ignition
switched
off 1.0 to 1.3 k
Electrical Wiring
Diagrams,
Troubleshooting &
Component Locations
binder
If no malfunction can be
located in the wiring:
Repair Manual, Brake
System, Repair Group
45; Removing and
installing parts of ABS
system on front and rear
axles - Separate connector on
left rear ABS wheel
speed sensor -G46-
- Check wiring using
wiring diagram
- Wiggle wiring during
test
- Replace left rear ABS
wheel speed sensor -
G46-
Стр. 16из 31 ABS, ABS/EDL and ABS/EDL/ASR ITT Mark 20 IE, electrical check

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Switch to measuring range:
Resistance measurement (200 )
Test
step V.A.G
1598
sockets Item
tested Test
conditions
- Additional
operations Specification
Measures for deviations
from specification
13 3 + 14

Coding
bridge
Ignition
switched off0.0 to 1.0

Electrical Wiring
Diagrams, Troubleshooting
& Component Locations
binder - Check wiring using wiring
diagram
Стр. 19из 31 ABS, ABS/EDL and ABS/EDL/ASR ITT Mark 20 IE, electrical check

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Switch to measuring range:
Voltage measurement (20 V =)
Test
step V.A.G
1598
sockets Item tested
Test conditions
- Additional
operations Specification
Measures for
deviations from
specification
14 - Supply
voltage for
V.A.G 1551,
connector
T16
1)
Ignition
switched off
- Connect
multimeter V.A.G
1526 using adapter
set V.A.G 1594 to
connector T16
1) 10.0 to 14.5
V

Electrical Wiring
Diagrams,
Troubleshooting &
Component
Locations binder - Check wiring using
wiring diagram
1) Diagnostic connection contact assignment Page 01-106 .
Стр. 20из 31 ABS, ABS/EDL and ABS/EDL/ASR ITT Mark 20 IE, electrical check

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Switch to measuring range:
Resistance measurement 200
Test
step V.A.G
1598
sockets Item tested Test conditions
- Additional
operations Specification
Measures for
deviations from
specification
15 - Resistance
of K wire for
V.A.G 1551
connector
T16
1)
Ignition switched
off
- Disconnect multi-pin
connector from ABS
control module
(w/EDL) -J104- max. 1.5 - Check wiring
using wiring
diagram
Electrical Wiring
Diagrams,
Troubleshooting &
Component
Locations binder

- Connect test box
V.A.G 1598/21

- Connect multimeter
V.A.G 1526 to
contacts T16/7
1) and
T25/7 of multi-pin
connectors from ABS
control module
(w/EDL) -J104- using
adapter set V.A.G
1594
1) Diagnostic connection contact assignment Page 01-106 .
Стр. 21из 31 ABS, ABS/EDL and ABS/EDL/ASR ITT Mark 20 IE, electrical check

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Functional check: ABS warning light -K47-
Test
step V.A.G
1598
sockets Item
tested
Test
conditions
- Additional
operations Specification
Measures for
deviations from
specification
16 - Function of
ABS
warning
light -K47-
Switch
ignition on ABS warning light -
K47- lights up for
approx. 2 seconds
and goes out again

Electrical Wiring
Diagrams,
Troubleshooting &
Component Locations
binder
Repair Manual,
Body Interior,Repair
Group 70 - Check wiring using
wiring diagram
- Malfunction in
instrument cluster
Стр. 22из 31 ABS, ABS/EDL and ABS/EDL/ASR ITT Mark 20 IE, electrical check

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Functional check: Warning light for brake system -K118-
Test
step V.A.G
1598
sockets Item
tested
Test
conditions
- Additional
operations Specification
Measures for
deviations from
specification
17 - Function of
warning
light for
brake
system -
K118-
Brake fluid
level is OK.

Switch
ignition on Warning light for
brake system -
K118- lights up for
approx. 2 seconds
and goes out again
Electrical Wiring
Diagrams,
Troubleshooting &
Component
Locations binder - Check brake fluid
level warning
switch -F34- in
sealing cap

- Pull
connectors off
both front speed
sensors
- Start engine
and run at more
than 2000 rpm Warning light -
K118- lights up and
3 warnings are
sounded
Electrical Wiring
Diagrams,
Troubleshooting &
Component
Locations binder
Repair Manual,
Body Interior,Repair
Group 70 - Check wiring
using wiring
diagram
- Malfunction in
instrument cluster

- Reconnect
connectors to
both front speed
sensors again
- Check DTC
memory and
erase
Стр. 23из 31 ABS, ABS/EDL and ABS/EDL/ASR ITT Mark 20 IE, electrical check

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Switch to measuring range:
Resistance measurement (200 /20 M )
Test
step V.A.G
1598
sockets Item
tested Test conditions
- Additional operationsSpecification
Measures for
deviations from
specification
19 11 +10 Data
bus
wiring
Ignition switched
off

Set to measuring
range 200


- Disconnect multi-pin
connection from a
control module which
is connected via data
bus wiring:

- Connect test box
V.A.G 1598/21

- Check data bus
wiring for open circuit max. 1.5
Electrical Wiring
Diagrams,
Troubleshooting &
Component Locations
binder - Check wiring using
wiring diagram
Test step 19: Continued on next page
Стр. 25из 31 ABS, ABS/EDL and ABS/EDL/ASR ITT Mark 20 IE, electrical check