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Home >> Audi >> 2005 >> TT Base, 2D Convertible >> Repair and Diagnosis (Single Page) >> Engine Performance >> Remove, Overhaul & Install >> 1.8L - Turbo Generic Scan Tool Engine Code(S): Amu, BEA, ATC, AWP >> 01 - On Board Diagnostic (OBD) >> On Board Diagnostics, general information >> On Board Diagnostic (OBD), technical data >> Selectable diagnostic modes under address word 33 - OBD
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Selectable diagnostic modes under address word 33 - OBD

NOTE:
  • The conditions required for selecting the desired diagnostic mode are listed in the following table:
Diagnostic mode Requirement:
Selectable diagnostic modes under address word 33 - OBD.
  • Engine off
  • Ignition switched on
  • Engine running at idle
  • Vehicle in drive mode
Mode 1: Check measuring values Diagnostic mode 1: Check measuring values . Yes Yes Yes
Mode 2: Checking operating conditions Diagnostic mode 2: Check operating conditions . Yes Yes Yes
Mode 3: Check DTC memory Diagnostic mode 3: Check DTC memory . Yes * See note Yes Yes
Mode 4: Reset/erase diagnostic data Diagnostic mode 4: Reset/erase diagnostic data . Yes Yes Yes
Mode 5: Check oxygen sensor test results Diagnostic mode 5: Check oxygen sensor test results . Yes Yes Yes
Mode 6: Check test results of components that are not continuously monitored Diagnostic mode 6: Check test results of components that are not continuously monitored . No Yes Yes
Mode 7: Check test results of components that are continuously monitored Diagnostic mode 7: Check test results of components that are continuously monitored . Yes * See note Yes Yes
Mode 8: Tank leak test Diagnostic mode 8: Tank leak test . No Yes No
Mode 9: Vehicle information Diagnostic mode 9: Vehicle information . Yes Yes Yes

* Perform only with ignition switched on when engine will not start (operate starter for at least 6 seconds).