Volkswagen Golf / Golf GTI / Jetta. Manual — part 357

01-112

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

1

8 + 25

Voltage
supply for
ABS hydraulic
pump -V64- to
ABS Control
Module
(w/EDL) -
J104-

Ignition

switched
off

10.0 to 14.5

V

Electrical Wiring

Diagrams,
Troubleshooting &
Component
Locations binder

- Check wire using
wiring diagram

2

9 + 24

Voltage
supply for the
valves in ABS
hydraulic unit
-N55- to ABS
Control
Module
(w/EDL) -
J104-

Ignition

switched
off

10.0 to 14.5

V

Electrical Wiring

Diagrams,
Troubleshooting &
Component
Locations binder

- Check wire using
wiring diagram

ABS, ABS/EDL and ABS/EDL/ASR ITT Mark 20 IE, electrical check

01-113

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

3

8 + 4

Voltage
supply
(terminal X)
to ABS
Control
Module
(w/EDL) -
J104-

Ignition

switched
on

10.0 to 14.5 V

Electrical Wiring

Diagrams,
Troubleshooting &
Component
Locations binder

- Check wire using
wiring diagram

4

8 + 18

Function of
brake light
switch -F-

Ignition

switched
off

Brake

pedal not
depressed

0.0 to 0.5 V

Electrical Wiring

Diagrams,
Troubleshooting &
Component
Locations binder

- Check brake light
switch -F- and
Read measured
value block,
display group 003

- Check wiring
using wiring
diagram

- Press brake
pedal

approx. battery

voltage

- Checking brake
light switch -F-

Page 01-131

ABS, ABS/EDL and ABS/EDL/ASR ITT Mark 20 IE, electrical check

01-114

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

5

19 + 20 Resistance

of right front
ABS wheel
speed
sensor -G45-

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
front ABS wheel
speed sensor -G45-

- Check wiring using
wiring diagram

- Wiggle wiring
during test

- Replace right front
ABS wheel speed
sensor -G45-

ABS, ABS/EDL and ABS/EDL/ASR ITT Mark 20 IE, electrical check

01-115

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

6

1 + 2

Resistance
of left front
ABS wheel
speed
sensor -G47-

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 SystemRepair
Group 45; Removing
and installing parts
of ABS system on
front and rear axles

- Separate
connector on left
front ABS wheel
speed sensor -G47-

- Check wiring using
wiring diagram

- Wiggle wiring
during test

- Replace left front
ABS wheel speed
sensor -G47-

ABS, ABS/EDL and ABS/EDL/ASR ITT Mark 20 IE, electrical check