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Home >> Audi >> 2014 >> S6 >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> 4.0L - Generic Scan Tool - Engine Code: CEUC >> St Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Modes 01 - 0A >> Diagnostic Mode 08 - Request Control Of On-Board System, Test Or Component >> Function test
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Function test

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 function active
  • Test function is being initiated, please wait
  • Test off
  • Test aborted
 Test OK

-- Switch the ignition 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.

-- Switch the ignition off.

If the specified result is again not obtained:

-- A leak may be present. Refer to EVAPORATIVE SYSTEM, CHECKING FOR LEAKS .

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