buttons AUDI A4 1999 B5 / 1.G Brakes Can Bus Workshop Manual

01-28

Is there is a function malfunction?

- Fix the malfunction before proceeding.

- Note DTCs and erase DTC memory in all control
modules page 01
-15
.

- Press buttons -0- and -6- to select "End Output"
function 06. Press -Q- button to confirm input.

- End Scan Tool (ST) output using the "End
Output" function page 01
-16
.

- Refer to the DTC table in the relevant repair
manual for help in fixing the malfunction.
You have fixed all malfunctions:

- Check bus wires if communication to the control
modules is still malfunctioning.

While checking the bus wires, make a
distinction between the following two
situations:

Two control modules communicate via a "two-
line bus system"

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