Checking Data Bus Wiring

Checking data bus wiring
Display group number 125
^ Press keys 1, 2 and 5
^ Confirm entry with key Q.





There are always 4 display zones -arrows- in the measured value block. Decoding the individual values in display zones 1 to 4 can be read from the following tables.





Indicated on display: (vehicle stationary)
Press C key for the next display group number entry.
If the (arrow) key is pressed, keys 0 and 8 for work sequence "Read measured value block" must be pressed again afterwards to regain entry.





1) Vehicles with automatic transmission only.
^ Incorrect transmission control module or incorrect transmission control module coding.
^ Transmission control module faulty.
Repair group 01 for relevant transmission code.
2) Four-wheel drive vehicles with Haldex coupling only.
3) Data bus connection is interrupted or data bus wires are interchanged.