Audi A8 1994 Service Manual page 73

Motronic injection and ignition system (6-cylinder) - Edition 02.1999
- -> Unplug 2-pin connector from valve.
- Connect diode test lamp V.A.G 1527 to disconnected connector using test leads from V.A.G 1594.
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- Repeat final control diagnosis.
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
If the diode test lamp now flashes during the final control diagnosis:
- Fit a new secondary air inlet valve.
=> 6-Cylinder engine, Mechanics; Repair group 26; Secondary air system; Removing and installing parts of
secondary air system
If the diode test lamp still does not flash:
- Switch off ignition.
- Connect test box V.A.G 1598/31 to wiring harness for engine control unit. Do not connect to the engine
control unit itself.
=> Page 30 .
Audi A8 1994 ➤
4.2 - Testing secondary air inlet valve
69