fuel pressure AUDI TT 1999 8N / 1.G ATW Engine Output Diagnostic Test Mode Workshop Manual

01-51

Test sequence

- Connect VAS5051 tester or VAG1551 scan tool
and select control module for engine electronics
using "address word" 01 Page 01
-10
. Ignition
must remain switched on.
Rapid data transfer
HELP
Select function XX

When indicated on display
- Press buttons -0- and -3- to select "output Diagnostic Test Mode" and
press -Q- button to confirm input.
Rapid data transfer
Q
03 - Output Dia
gnostic Test Mode

Indicated on display
Activating the EVAP canister purge regulator valve (tank ventilation
valve)
Note:
The Fuel Pump (FP) relay must trigger, the Fuel Pump (FP) must run,
flowing noise at fuel pressure regulator is clearly audible. If Fuel Pump
(FP) does not run, check activation Page 24
-56
. - Confirm input using -Q- button.
Pa
ge 4 of 12 Out
put Dia
gnostic Test Mode
(DTM
) (function 03
)
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