TT Roadster L4-1.8L Turbo (AWP) (2003)
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Select Diagnosis Function "04- Basic settings.
EVAP Canister Purge valve -N80-, checking
Note:
Purge valve check must be completed prior to checking LDP using "071" (see LDP -V144-, checking below).
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Input "070" on keypad.
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Press "Q" on keypad to confirm.
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Press "Activate" button.
After test completes:
^
VAS 5051 should indicate "TBV OK".
If test continues to indicate "TBV not OK":
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Replace EVAP Canister Purge valve -N80-.
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Repeat test.
If test continues to indicate "TBV OK:
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Proceed with following steps.
LDP -V144-, checking
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Locate LDP -V144- (see appropriate Repair Manual, Repair Group 20- "Leak Detection Pump (LDP) -V144-, removing and installing").