Volkswagen Golf / Golf GTI / Jetta. Manual — part 350

01-62

Safety precautions

Observe following if test and measuring

instruments are required during a test drive:

Test and measuring instruments must be

secured to rear seat and operated by a 2nd
person from this location.

When test and measuring instruments are

operated from the front passenger seat there is
a danger that the person sitting there could be
injured in an accident when the airbag is
triggered.

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

01-63

- Connect V.A.G 1551 Scan Tool and select

address word 03 for"Brake electronics" with
ignition switched on;

Page 01-23

Rapid data transfer

HELP

Select function XX

Indicated on display

- Press keys 0 and 8 to select function "Read

measured value block".

Rapid data transfer

Q

08 - Read measured value block

Indicated on display

- Confirm entry with key Q.

Read measured value block

Enter display group number XXX

Indicated on display

- Enter display group number

List of selectable

display group numbers,

Page 01-64

.

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

01-64

List of selectable display group numbers

Display group

number

Display

zone

Designation

001

1

Wheel speed at left front wheel sensor
(km/h)

2

Wheel speed at right front wheel sensor
(km/h)

3

Wheel speed at left rear speed sensor (km/h)

4

Wheel speed at right rear speed sensor
(km/h)

002

1

Wheel speed at left front speed sensor
(km/h)

2

Wheel speed at right front wheel sensor
(km/h)

3

Wheel speed at left rear speed sensor (km/h)

4

Wheel speed at right rear speed sensor
(km/h)

003

1

Brake light switch

2

Vacant

3

Vacant

4

Vacant

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

01-65

Display group number Display zone

Designation

006

1

Longitudinal acceleration sensor -G251-

1)

2

Vacant

3

Vacant

4

Vacant

125

1

Data bus for engine

2

Data bus for four-wheel drive

1)

3

Data bus for transmission

2)

4

Vacant

1)

Four-wheel drive vehicles with Haldex coupling only.

2)

Vehicles with automatic transmission only.

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