Test sequence

WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Connect Vehicle Diagnostic, Testing and Information System VAS 5051 or VAG 1551. See VAS 5051 VEHICLE DIAGNOSTIC, TESTING AND INFORMATION SYSTEM, CONNECTING AND SELECTING FUNCTIONS . Select control module for engine electronics 1 by inserting address word 01. Engine must be running at idle for this test.
Indicated on display:

Fig 1: Identifying VAS 5051 Vehicle Diagnostic Display - Checking Misfire Recognition (1 Of 4)
Courtesy of AUDI OF AMERICA, INC.
Press buttons -0- and -8- to select "Read Measuring Value Block" function 08 and press Q button to confirm input.
Indicated on display:

Fig 2: Identifying VAS 5051 Vehicle Diagnostic Display - Checking Misfire Recognition (2 Of 4)
Courtesy of AUDI OF AMERICA, INC.
Press buttons -0-, -1- and -4- to input "display group number 14" and press Q button to confirm input.
Indicated on display:

Fig 3: Identifying VAS 5051 Vehicle Diagnostic Display - Checking Misfire Recognition (3 Of 4)
Courtesy of AUDI OF AMERICA, INC.
Check misfire detection.

DISPLAY GROUP 014: MISFIRE RECOGNITION

	Display zones
	1	2	3	4
Display group 014: Misfire recognition
Display	xxx rpm	xxx %	xxx	-
Display	Engine speed	Load	Total misfire	Misfire recognition
Range	min.: 550 RPM max.: 7200 RPM	min.: 0 max.: 100		activated not activated
Specified value	600 to 820 rpm	xx.x %	0 to 5	activated
Note:	-	-	If the specified value is not reached: Evaluation display field 3 : EVALUATING DISPLAY GROUPS 014, 015 AND 016, DISPLAY FIELD 3: .	-

If the specified value is reached:

Press -> button.

Indicated on display (function selection):

Fig 4: Identifying VAS 5051 Vehicle Diagnostic Display - Checking Misfire Recognition (4 Of 4)

Courtesy of AUDI OF AMERICA, INC.

If specified value is not obtained:

To switch to display group 015 Press up button.