Activating fuel injectors

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 Audi S8, 2003 Audi A8, 2002 Audi S8, 2002 Audi A8, and 2001 Audi A8. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Fuel injectors are activated in ignition sequence, i.e. cyl. 1, cyl. 5, cyl. 4, cyl. 8, cyl. 6, cyl. 3, cyl. 7, cyl. 2.

Press --> button.
Indicated on display:

Fig 1: VAG1551 Scan Tool Display - Output Diagnostic Test Mode: Engine Code AYS: Injectors (1 Of 18)
Courtesy of AUDI OF AMERICA, INC.
Press --> button.
After pressing arrow button, injector must click five times.

Indicated on display:

Fig 2: VAG1551 Scan Tool Display - Output Diagnostic Test Mode: Engine Code AYS: Injectors (2 Of 18)
Courtesy of AUDI OF AMERICA, INC.

If injector does not click:

Check fuel injectors.
Press --> button.
Indicated on display:

Fig 3: VAG1551 Scan Tool Display - Output Diagnostic Test Mode: Engine Code AYS: Injectors (3 Of 18)
Courtesy of AUDI OF AMERICA, INC.
Press --> button.
After pressing arrow button, injector must click five times.

Indicated on display:

Fig 4: VAG1551 Scan Tool Display - Output Diagnostic Test Mode: Engine Code AYS: Injectors (4 Of 18)
Courtesy of AUDI OF AMERICA, INC.

If injector does not click:

Check fuel injectors.
Press --> button.
Indicated on display:

Fig 5: VAG1551 Scan Tool Display - Output Diagnostic Test Mode: Engine Code AYS: Injectors (5 Of 18)
Courtesy of AUDI OF AMERICA, INC.
Press --> button.
After pressing arrow button, injector must click five times.

Indicated on display:

Fig 6: VAG1551 Scan Tool Display - Output Diagnostic Test Mode: Engine Code AYS: Injectors (6 Of 18)
Courtesy of AUDI OF AMERICA, INC.

If injector does not click:

Check fuel injectors.
Press --> button.
Indicated on display:

Fig 7: VAG1551 Scan Tool Display - Output Diagnostic Test Mode: Engine Code AYS: Injectors (7 Of 18)
Courtesy of AUDI OF AMERICA, INC.
Press --> button.
After pressing arrow button, injector must click five times.

Indicated on display:

Fig 8: VAG1551 Scan Tool Display - Output Diagnostic Test Mode: Engine Code AYS: Injectors (8 Of 18)
Courtesy of AUDI OF AMERICA, INC.

If injector does not click:

Check fuel injectors.
Press --> button.
Indicated on display:

Fig 9: VAG1551 Scan Tool Display - Output Diagnostic Test Mode: Engine Code AYS: Injectors (9 Of 18)
Courtesy of AUDI OF AMERICA, INC.
Press --> button.
After pressing arrow button, injector must click five times.

Indicated on display:

Fig 10: VAG1551 Scan Tool Display - Output Diagnostic Test Mode: Engine Code AYS: Injectors (10 Of 18)
Courtesy of AUDI OF AMERICA, INC.

If injector does not click:

Check fuel injectors.
Press --> button.
Indicated on display:

Fig 11: VAG1551 Scan Tool Display - Output Diagnostic Test Mode: Engine Code AYS: Injectors (11 Of 18)
Courtesy of AUDI OF AMERICA, INC.
Press --> button.
After pressing arrow button, injector must click five times.

Indicated on display:

Fig 12: VAG1551 Scan Tool Display - Output Diagnostic Test Mode: Engine Code AYS: Injectors (12 Of 18)
Courtesy of AUDI OF AMERICA, INC.

If injector does not click:

Check fuel injectors.
Press --> button.
Indicated on display:

Fig 13: VAG1551 Scan Tool Display - Output Diagnostic Test Mode: Engine Code AYS: Injectors (13 Of 18)
Courtesy of AUDI OF AMERICA, INC.
Press --> button.
After pressing arrow button, injector must click five times.

Indicated on display:

Fig 14: VAG1551 Scan Tool Display - Output Diagnostic Test Mode: Engine Code AYS: Injectors (14 Of 18)
Courtesy of AUDI OF AMERICA, INC.

If injector does not click:

Check fuel injectors.
Press --> button.
Indicated on display:

Fig 15: VAG1551 Scan Tool Display - Output Diagnostic Test Mode: Engine Code AYS: Injectors (15 Of 18)
Courtesy of AUDI OF AMERICA, INC.
Press --> button.
After pressing arrow button, injector must click five times.

Indicated on display:

Fig 16: VAG1551 Scan Tool Display - Output Diagnostic Test Mode: Engine Code AYS: Injectors (16 Of 18)
Courtesy of AUDI OF AMERICA, INC.

If injector does not click:

Check fuel injectors.
Press --> button.
Indicated on display:

Fig 17: VAG1551 Scan Tool Display - Output Diagnostic Test Mode: Engine Code AYS: Injectors (17 Of 18)
Courtesy of AUDI OF AMERICA, INC.
Press --> button.
Indicated on display (function selection):

Fig 18: VAG1551 Scan Tool Display - Output Diagnostic Test Mode: Engine Code AYS: Injectors (18 Of 18)
Courtesy of AUDI OF AMERICA, INC.

NOTE: Output Diagnostic Test Mode (DTM) cannot be re -initiated until engine is started and ignition switched off and then on again.
- Press buttons -0- and -6- to select "End Output" function 06. Press -Q- button to confirm input.