Volkswagen Golf / Golf GTI / Jetta. Manual — part 344

01-38

V.A.G 1551
print-out

Possible cause

Repair

00283

Left front ABS
wheel speed
sensor -G47-

Signal outside
tolerances

1)

Open circuit, short to positive or

Ground, or loose contact in
connections between left front
ABS wheel speed sensor -G47-
and ABS Control Module (w/EDL)
-J104-

- Check wiring and
connections using wiring
diagram

- Perform electrical checks

from

Page 01-102

Electrical interference from other

sources (high frequency radiation
e.g. non-insulated ignition cable)

- Read measured value
block

Page 01-61

Display group number 001

Damaged rotor or left front ABS

wheel speed sensor -G47-

Excessive air gap between left

front ABS wheel speed sensor-
G47- and rotor (signal not OK.)

Repair Manual, Brake

System, Repair Group 45;
Removing and installing
parts of ABS system on front
and rear axles

- Check left front ABS
wheel speed sensor -G47-
and rotor for damage

- Replace rotor/speed
sensor

1)

Type of DTC, this DTC is only recognized above 20 km/h (13 mph) (carry out test

drive).

ABS ITT Mk 20 IE On Board Diagnostic (OBD) program

01-39

V.A.G 1551
print-out

Possible cause

Repair

00283

Left front ABS
wheel speed
sensor -G47-

Mechanical
malfunction

1)

Excessive air gap

between left front ABS
wheel speed sensor -
G47- and rotor (signal
not OK.)

Repair Manual, Brake System,

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

- Check installation of left front ABS
wheel speed sensor -G47- and rotor

- Read measured value block

Page

01-61

Display group number 002

- Perform output Diagnostic Test
Mode (DTM)

Page 01-74

If the malfunction occurs again:

Outlet valve in ABS

hydraulic unit -N55-
faulty

Repair Manual, Brake System,

Repair Group 45; Hydraulic unit, brake
booster/brake master cylinder -
Assembly overview; Removing and
installing control module and hydraulic
unit

- Replace ABS hydraulic unit -N55-

1)

Type of DTC, this DTC is only recognized above 20 km/h (13 mph) (carry out test

drive).

ABS ITT Mk 20 IE On Board Diagnostic (OBD) program

01-40

V.A.G
1551 print-
out

Possible cause

Repair

00285

Right front
ABS wheel
speed
sensor -
G45-

Open circuit, short to positive or

Ground, or loose contact in
connections between right front
ABS wheel speed sensor -G45-
and ABS Control Module
(w/EDL) -J104-

- Check wiring and connections
using wiring diagram

- Perform electrical checks

from

Page 01-102

Damaged rotor or speed sensor

-G45

Speed sensor windings -G45-

faulty

Repair Manual, Brake System,

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

- Check right front ABS wheel
speed sensor -G45- and rotor for
damage

- Replace rotor/right front ABS
wheel speed sensor -G45-

If the malfunction occurs again:

ABS Control Module (w/EDL) -

J104- faulty

Repair Manual, Brake System,

Repair Group 45; Hydraulic unit,
brake booster/brake master cylinder
- Assembly overview; Removing
and installing control module and
hydraulic unit

- Replace ABS Control Module
(w/EDL) -J104-

ABS ITT Mk 20 IE On Board Diagnostic (OBD) program

01-41

V.A.G 1551
print-out

Possible cause

Repair

00285

Right front ABS
wheel speed
sensor -G45-

Signal outside
tolerances

1)

Open circuit, short to positive or

Ground, or loose contact in
connections between right front
ABS wheel speed sensor -G45-
and ABS Control Module (w/EDL)
-J104-

- Check wiring and
connections using wiring
diagram

- Perform electrical checks

from

Page 01-102

Electrical interference from other

sources (high frequency radiation
e.g. non-insulated ignition cable)

- Read measured value
block

Page 01-61

Display group number 001

Damaged rotor or right front ABS

wheel speed sensor -G45-

Excessive air gap between right

front ABS wheel speed sensor-
G45- and rotor (signal not OK)

Repair Manual, Brake

System, Repair Group 45;
Removing and installing
parts of ABS system on
front and rear axles

- Check right front ABS
wheel speed sensor -G45-
and rotor for damage

- Replace rotor/speed
sensor

1)

Type of DTC, this DTC is only recognized above 20 km/h (13 mph) (carry out test

drive).

ABS ITT Mk 20 IE On Board Diagnostic (OBD) program