Test requirements: Notes

• Fuses for engine electronics OK
• Fuel pump relay OK

• Connect vehicle diagnostic, testing and information system VAS 5051 or VAG1551 scan tool and select engine electronics control module by entering address word "01". See VEHICLE DIAGNOSTIC, TESTING AND INFORMATION SYSTEM VAS5051 OR VAG1551, CONNECTING AND SELECTING FUNCTIONS  . When doing this the ignition must be switched ON.

  Indicated on display

  Fig 1: VAG1551 Scan Tool Display - Output Diagnostic Test Mode: Engine Codes AUX, AKB (1 Of 2)

  Courtesy of AUDI OF AMERICA, INC.
• Press buttons -0- and -3- to select function "Output Diagnostic Test Mode."

  Indicated on display

  Fig 2: VAG1551 Scan Tool Display - Output Diagnostic Test Mode: Engine Codes AUX, AKB (2 Of 2)

  Courtesy of AUDI OF AMERICA, INC.
• Confirm input with -Q- button.