Volkswagen Golf / Golf GTI / Jetta. Manual — part 360

01-122

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

.

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

01-123

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

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

01-124

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

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

01-125

Functional check: ABS hydraulic pump -V64-

Test

step

V.A.G

1598

sockets

Item

tested

Test

conditions

- Additional
operations

Specification

Measures for
deviations from
specification

18

-

Function
of ABS
hydraulic
pump -
V64-

Ignition

switched off

- Pull hydraulic
pump -V64-
connector T2 off
control module

- Connect Ground
to connector T2/1
and battery
voltage to
connector T2/2
on hydraulic
pump

Hydraulic pump
runs without
malfunction
(max. 10 secs.)

- Perform output
Diagnostic Test
Mode (DTM)

Page 01-74

.

- Replace
control module.

Hydraulic pump
does not run

Repair

Manual, Brake
System, Repair
Group 45

- Replace
hydraulic unit.

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