Audi AMB Service Manual page 221

ENGINE 1.8 Liter 4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AMB
Fig. 291: Identifying Vehicle Diagnosis, Testing And Information System VAS 5051
Courtesy of VOLKSWAGEN UNITED STATES, INC.
VAS5051 with VAS5051/1

or
VAG1551 with VAG1551/3A

Requirements
All hoses and lines must be securely installed and free of leaks.

Diagnostic Trouble Code (DTC) memory has been checked --> Guided Fault Finding in VAS5051 - 01

ON BOARD DIAGNOSTIC (OBD)
Output Diagnostic Test Mode performed --> Guided Fault Finding in VAS5051 - 01 ON BOARD

DIAGNOSTIC (OBD)
Vehicle Diagnostic, Testing and Information System VAS5051 or Scan Tool VAG1551 must be

connected.
Work sequence
CAUTION: Always attach testers and measuring instruments to back seat and have
them operated from there by a second person.
If testers and measuring instruments were to be operated from front
passengers seat, person sitting there could suffer injury in the event of an
accident due to triggering of front passengers airbag.
2005 Audi A4 Quattro
1:01:16 AM Page 209