wiring AUDI A4 2000 B5 / 1.G Cruise Control On Board Diagnostic Workshop Manual

01-210

Testing wiring and components using
VAG1598/31 breakout box


Notes:

VAG1598/31 breakout box is designed to be
connected to the engine control module
harness and to the engine control module
simultaneously.
The effect of this design is that the electronic
engine controls remain fully functional while the
breakout box is connected (for e.g. measuring
signal strengths while the engine is running).
Look in the respective test descriptions to see if
it is necessary to connect the engine control
module to the breakout box.
Use multimeter (Fluke 83 or equivalent) or
VAG1715 Multimeter in addition to VAG1527B
voltage tester.
Always use test leads from VW1594 connector
test kit when connecting test equipment to
VAG1598/31 breakout box.
Once the engine control module has been
reconnected, adapt the engine control module
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