A8 Sedan V8-3.7L (AEW) (1997)
![background image](/audi/a8_sedan/v8-3.7l_(aew)/Page-821001.png)
Air Control Valve For Injectors: Testing and Inspection
Air Control Valve For Fuel Injectors, Checking
Air Control Valve For Fuel Injectors, Checking
Function, checking
Test requirement
-
Engine coolant temperature at least 85 °C (185 °F)
Checking
-
Connect VAG1551 or VAG1552 Scan Tool (ST), and press buttons -0- and -1- to insert "Engine Electronics" address word 01 (engine running at
idle). Refer to "Scan Tool Testing/Scan Tool Connecting and Initial Checks/Connecting VAG1551 or VAG1552 Scan Tool" See: Testing and
Inspection
Indicated on display
Rapid data transfer
HELP
Selecting function XX
-
Press buttons -0- and -8- to select "Read Measuring Value Block" function 08, and press -Q- button to confirm input.
Indicated on display
Read Measuring Value Block
Input display group number XXX
-
Press buttons -0-, -3- and -5- to input display group number 35 (035), and press -Q- button to confirm input.
Indicated on display
Read Measuring Value Block 35
->
1
2
3
4
-
Check specified values for air control valve for fuel injectors (air-shrouded fuel injectors), display field 4:
Specified value in display field 4: A-IV OK
If display is not as specified:
-
Press -4- button on VAG1551 scan tool to select "Basic Setting" function 04.
-
Check specified values for air control valve for fuel injectors (air-shrouded fuel injectors), display fields 2 and 4: