Safety Precautions

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.

List of selectable display group numbers

List of selectable display group numbers (Part 1):

List of selectable display group numbers (Part 2):

1) All wheel drive vehicles with Haldex coupling only.
2) Vehicles with automatic transmission only.

Test sequence and test tables with measured values

Checking wheel speed sensor allocation

Display group 001
- Press buttons -0-, -0- and -1 - to input display group number 1 (001).
- Press -Q- button to confirm input.
- There are always 4 display fields (arrows) in the display group. Descriptions of the individual values in display fields 1 - 4 can be found in the List of selectable display group numbers.





Indicated on display (vehicle stationary)
- Press -C- button for next display group number entry.

If the --> button is pressed, buttons -0- and -8- ("Read Measuring Value Block") must be pressed again to regain entry.

Display group 001:

Checking wheel speed sensor

Display group 002

The measured value block for display group 002 must be read when the vehicle is being driven slowly. ABS control module (w/EDL) J104-saves the first usable voltage signal from the wheel speed sensor and displays this value in the display group. The values are displayed on the V.A.G1 551 when the vehicle is being driven slowly.
- Press buttons -0-, -0- and -2- to input display group number 2 (002).
- Press -Q- button to confirm input.





There are always 4 display fields (arrows) in the display group. Descriptions of the individual values in display fields 1 - 4 can be found in the List of selectable display group numbers.





Indicated on display (vehicle stationary)
- Press -C- button for next display group number entry.

If the --> button is pressed, buttons -0- and -8- ("Read Measuring Value Block") must be pressed again to regain entry.

Note: For display group number 002 remember:
^ The reading of measured value blocks in display group number 002 must be undertaken when driving off slowly. Then the ABS control module (w/EDL) -J104- will store the first usable voltage signals provided by the speed sensors and display these as a fixed value in the measured value block.

Display group 002:

Checking ABS brake light switch and ABS/EDL function

Display group 003
- Press buttons -0-, -0- and -3- to input display group number 3 (003).
- Press -Q- button to confirm input.
- There are always 4 display fields (arrows) in the display group. Descriptions of the individual values in display fields 1 - 4 can be found in the List of selectable display group numbers.





Indicated on display
- Press -C- button for next display group number entry.

If the --> button is pressed, buttons -0- and -8- ("Read Measuring Value Block") must be pressed again to regain entry.

Display group 003: