Volkswagen Golf / Golf GTI / Jetta. Manual — part 346

01-46

V.A.G
1551 print-
out

Possible cause

Repair

00290

Left rear
ABS wheel
speed
sensor -
G46-

Open circuit, short to positive or

Ground, or loose contact in
connections between left rear
ABS wheel speed sensor -G46-
and ABS Control Module
(w/EDL) -J104-

- Check wiring and connections
using wiring diagram

- Perform electrical checks

Page

01-102

Left rear ABS wheel speed

sensor windings -G46- faulty

Damaged rotor or left rear ABS

wheel speed sensor -G46-

Repair Manual, Brake System,

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

- Check left rear ABS wheel speed
sensor -G46- and rotor for damage

- Replace rotor/left rear ABS wheel
speed sensor -G46-

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

01-47

V.A.G 1551
print-out

Possible cause

Repair

00290

Left rear ABS
wheel speed
Sensor -G46-

Signal outside
tolerances

1)

Open circuit, short to positive or

Ground, or loose contact in
connections between left rear
ABS wheel speed sensor -G46-
and ABS Control Module (w/EDL)
-J104-

- Check wiring and
connections using wiring
diagram

- Perform electrical checks

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 rear ABS

wheel speed sensor -G46-

Excessive air gap between left

rear ABS wheel speed sensor -
G46- 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 rear ABS wheel
speed sensor -G46- 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

01-48

V.A.G 1551
print-out

Possible cause

Repair

00290

Left rear ABS
wheel speed
sensor -G46-

Mechanical
malfunction

1)

Excessive air gap

between left rear ABS
wheel speed sensor -
G46- 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 rear ABS
wheel speed sensor -G46- 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

01-49

V.A.G 1551 print-
out

Possible cause

Repair

00668

Vehicle voltage
terminal 30

Signal outside
tolerances

Open circuit, short to

positive or Ground in the
wiring

- Check wiring and connections
using wiring diagram

- Perform electrical checks

Page 01-102

01044

Control module
incorrectly coded

ABS Control Module

(w/EDL) -J104- incorrectly
coded

Coding bridge in multi-pin

connector has open or short
circuit

- Check ABS Control Module
(w/EDL) -J104- coding

Page

01-58

- Check wiring and connections
using wiring diagram

- Perform electrical checks

Page 01-102

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