ABS VOLKSWAGEN BORA 1998 Service Manual

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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 42 + 43 Resistance of
right rear ABS
wheel speed
sensor -G44-
Ignition
switched
off 1.0 - 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 - Check wiring using
wiring diagram
- Wiggle wiring during
test
- Replace right rear ABS
wheel speed sensor -
G44-
Стр. 17из 38 Electrical check of Mark 60

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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 37 + 36 Resistance of
left rear ABS
wheel speed
sensor -G46-
Ignition
switched
off 1.0 - 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 - Check wiring using
wiring diagram
- Wiggle wiring during
test
- Replace left rear ABS
wheel speed sensor -
G46-
Стр. 18из 38 Electrical check of Mark 60

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Switch to measuring range:
Voltage measurement (2 V )
Test
step V.A.G
1598
sockets Item
tested Test
conditions
- Additional
operations Specification
Measures for deviations
from specification
9 33 + 34 Right front
ABS wheel
speed
sensor -
G45-
voltage
signal
Vehicle
raised
- Check installation of
right front ABS wheel
speed sensor -G45- and
rotor.


Ignition
switched off

- Rotate front
right wheel at
approx. 1
rev./sec. Min. 65 mV
alternating
voltage - Check whether right
front ABS wheel speed
sensor -G45- has been
interchanged and read
measured value block
Page 01
-240 , Display
group number 001
10 45 + 46 Left front
ABS wheel
speed
sensor -
G47-
voltage
signal Vehicle
raised
- Check installation of left
front ABS wheel speed
sensor -G47- and rotor.


Ignition
switched off

- Rotate front
left wheel at
approx. 1
rev./sec. Min. 65 mV
alternating
voltage - Check whether left front
ABS wheel speed sensor
-G47- has been
interchanged and read
measured value block
Page 01
-240 , display
group number 001
Стр. 19из 38 Electrical check of Mark 60

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Switch to measuring range:
Voltage measurement (2 V )
Test
step V.A.G
1598
sockets Item
tested Test
conditions
- Additional
operations Specification
Measures for deviations
from specification
11 42 + 43 Right rear
ABS wheel
speed
sensor -
G44-
voltage
signal
Vehicle
raised
- Check installation of
right rear ABS wheel
speed sensor -G44- and
rotor.


Ignition
switched off

- Rotate rear
right wheel at
approx. 1
rev./sec. Min. 190 mV
alternating
voltage - Check whether right
rear ABS wheel speed
sensor -G44- has been
interchanged and read
measured value block
Page 01
-240 , Display
group number 001
12 37 + 36 Left rear
ABS wheel
speed
sensor -
G46-
voltage
signal Vehicle
raised
- Check installation of left
rear ABS wheel speed
sensor -G46- and rotor.


Ignition
switched off

- Rotate rear
left wheel at
approx. 1
rev./sec. Min. 190 mV
alternating
voltage - Check whether left rear
ABS wheel speed sensor
-G46- has been
interchanged and read
measured value block
Page 01
-240 , Display
group number 001
Стр. 20из 38 Electrical check of Mark 60

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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
13 - Function of
ABS
warning
light -K47-
Ignition
switched
on
- Switch on
ignition The 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; instrument
panel - Check wiring using
wiring diagram
- Malfunction in
instrument cluster
Стр. 21из 38 Electrical check of Mark 60

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Test table (test steps 17 - 23)
Switch to measuring range:
Voltage measurement (20 V =) in test step 17, resistance measurement (200 )/(20 M
) in test step 17a
Test
step V.A.G
1598
sockets Item
tested Test conditions
- Additional
operations Specification
Measures for
deviations from
specification
17 - Voltage
supply for
steering
angle
sensor -
G85-
Ignition switched
off
- Disconnect
connection from
steering angle
sensor -G85-

- Disconnect multi-
pin connection T47
from ABS control
module (w/EDL) -
J104-

- Check wiring
between contact
T6a/4 and contact
T6a/1 of steering
angle sensor -G85- 10.0 - 14.5 V
Electrical Wiring
Diagrams,
Troubleshooting &
Component Locations
binder - Check wiring using
wiring diagram
Test step 17: Continued on next
page.
Стр. 26из 38 Electrical check of Mark 60

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Continuation of test step 17a
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
17a - Wiring for
steering
angle
sensor -
G85-
Measuring range
set to 200
Ignition switched
off
- Connect test box
V.A.G 1598/36

- Check wiring for
open circuit between
steering angle sensor -
G85- and ABS control
module (w/EDL) -
J104- multi-pin
connector Max. 1.5
Electrical Wiring
Diagrams,
Troubleshooting &
Component
Locations binder - Check wiring using
wiring diagram
Test step 17a: On next page.
Стр. 28из 38 Electrical check of Mark 60

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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
operations Specification
Measures for
deviations from
specification
18 -
Wiring for
sensor for
transverse
acceleration -
G200- and
sender for
rotation rate -
G202-
Ignition switched
off
Measuring range
set to 200


- Connect test box
V.A.G1598/36

- Check wiring for
open circuit between
multi-pin connector of
sensor for transverse
acceleration -G200-,
sender for rotation
rate -G202- and
multi-pin connector of
ABS control module
(w/EDL) -J104-: Max. 1.5
Electrical
Wiring Diagrams,
Troubleshooting &
Component
Locations binder - Check wiring
using wiring
diagram
Test step 18: Continued on next
page.
Стр. 30из 38 Electrical check of Mark 60

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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 - Wiring for
sender 1
for brake
booster -
G201-
Ignition switched off

Measuring range set
to 200
- Disconnect connection
from sender 1 for brake
booster -G201-
- Disconnect multi-pin
connection T47 from
ABS control module
(w/EDL) -J104-
- Connect test box
V.A.G 1598/36

- Check wiring for open
circuit between sender
1 for brake booster -
G201- multi-pin
connector and ABS
control module (w/EDL)
-J104- multi-pin
connector Max. 1.5
Electrical Wiring
Diagrams,
Troubleshooting &
Component
Locations binder - Check wiring
using wiring
diagram
Test step 19: Continued on next
page.
Стр. 32из 38 Electrical check of Mark 60

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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
22 - 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
- Connect test box
V.A.G 1598/36
- Connect hand
multimeter V.A.G
1526 to contacts
T16/7
1) and T47/2 of
multi-pin connector of
ABS control module
(w/EDL) -J104- using
cables from adapter
set V.A.G 1594 Max. 1.5
Electrical Wiring
Diagrams,
Troubleshooting &
Component
Locations binder - Check wiring
using wiring
diagram
1) Diagnosis connector contact assignment Page 01-292
Стр. 37из 38 Electrical check of Mark 60