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Home >> Audi >> 2002 >> S4 Quattro, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 167 (On Board Diagnostic (OBD) - 4.2L V8 5V - BBD) >> On Board Diagnostic (OBD) >> Output Diagnostic Test Mode (DTM) >> Output DTM sequence for all vehicles up to m.y. 2001 >> Actuating injectors

Actuating injectors

WARNING: This page is about a different car, the 2003 Audi S6 and 2002 Audi S6. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: The injectors are activated according to the firing sequence, i.e. cyl. 1, cyl. 5, cyl. 4, cyl. 8, cyl. 6, cyl. 3, cyl. 7, cyl. 2.

Indicated on display

Fig 1: VAG 1551 Scan Tool Display - Actuating Injector (1 Of 18)
G03613668Courtesy of AUDI OF AMERICA, INC.

After key is pressed, injector must click five times.

Indicated on display

Fig 2: VAG 1551 Scan Tool Display - Actuating Injector (2 Of 18)
G03613669Courtesy of AUDI OF AMERICA, INC.

If the injector does not click:

Indicated on display

Fig 3: VAG 1551 Scan Tool Display - Actuating Injector (3 Of 18)
G03613670Courtesy of AUDI OF AMERICA, INC.

After key is pressed, injector must click five times.

Indicated on display

Fig 4: VAG 1551 Scan Tool Display - Actuating Injector (4 Of 18)
G03613671Courtesy of AUDI OF AMERICA, INC.

If the injector does not click:

Indicated on display

Fig 5: VAG 1551 Scan Tool Display - Actuating Injector (5 Of 18)
G03613672Courtesy of AUDI OF AMERICA, INC.

After --> key is pressed, injector must click five times.

Indicated on display

Fig 6: VAG 1551 Scan Tool Display - Actuating Injector (6 Of 18)
G03613673Courtesy of AUDI OF AMERICA, INC.

If the injector does not click:

Indicated on display

Fig 7: VAG 1551 Scan Tool Display - Actuating Injector (7 Of 18)
G03613674Courtesy of AUDI OF AMERICA, INC.

Indicated on display

Fig 8: VAG 1551 Scan Tool Display - Actuating Injector (8 Of 18)
G03613675Courtesy of AUDI OF AMERICA, INC.

If the injector does not click:

Indicated on display

Fig 9: VAG 1551 Scan Tool Display - Actuating Injector (9 Of 18)
G03613676Courtesy of AUDI OF AMERICA, INC.

Indicated on display

Fig 10: VAG 1551 Scan Tool Display - Actuating Injector (10 Of 18)
G03613677Courtesy of AUDI OF AMERICA, INC.

If the injector does not click:

Indicated on display

Fig 11: VAG 1551 Scan Tool Display - Actuating Injector (11 Of 18)
G03613678Courtesy of AUDI OF AMERICA, INC.

After --> key is pressed, injector must click five times.

Indicated on display

Fig 12: VAG 1551 Scan Tool Display - Actuating Injector (12 Of 18)
G03613679Courtesy of AUDI OF AMERICA, INC.

If the injector does not click:

Indicated on display

Fig 13: VAG 1551 Scan Tool Display - Actuating Injector (13 Of 18)
G03613680Courtesy of AUDI OF AMERICA, INC.

Indicated on display

Fig 14: VAG 1551 Scan Tool Display - Actuating Injector (14 Of 18)
G03613681Courtesy of AUDI OF AMERICA, INC.

If the injector does not click:

Indicated on display

Fig 15: VAG 1551 Scan Tool Display - Actuating Injector (15 Of 18)
G03613682Courtesy of AUDI OF AMERICA, INC.

Indicated on display

Fig 16: VAG 1551 Scan Tool Display - Actuating Injector (16 Of 18)
G03613683Courtesy of AUDI OF AMERICA, INC.

If the injector does not click:

Indicated on display

Fig 17: VAG 1551 Scan Tool Display - Actuating Injector (17 Of 18)
G03613684Courtesy of AUDI OF AMERICA, INC.

Display function selection

Fig 18: VAG 1551 Scan Tool Display - Actuating Injector (18 Of 18)
G03613685Courtesy of AUDI OF AMERICA, INC.
NOTE: The output Diagnostic Test Mode (DTM) can only then be started again after the engine has started and the ignition has been switched off and on again.