Function Test
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2016 Audi A4 Quattro, 2016 Audi A4, 2015 Audi A4 Quattro, 2014 Audi A4 Quattro, and 2013 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
If the accelerator pedal is depressed during the test, the test will be aborted.
-- Connect the scan tool.
-- Start the engine and run at idle for at least 15 minutes.
-- Select "Mode 8: Tank Leak Test".
-- Select "Test-ID 01: Tank Leak Test".
-- Check the specified value of the tank leak test at idle.
-- The following will be displayed on the scan tool screen:
| TANK LEAK TEST | SPECIFIED VALUE | |||||
|---|---|---|---|---|---|---|
|
Test OK | |||||
-- Ignition switched OFF.
If the specified result is obtained:
System OK.
If the specified result is not obtained:
-- Repeat the tank leak test, switch the ignition OFF and start the engine again and let run for 15 minutes at idle.
-- Ignition switched OFF.
If the specified result is again not obtained:
-- A leak may be present. Refer to EVAP SYSTEM, CHECKING FOR LEAKS .