RS 6 V8-4.2L Turbo (BCY) (2003)
Display on VAS 5051:
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Select diagnosis function "03 - Final control diagnosis" from menu -1-
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Press the (arrow) button repeatedly until following display appears:
Display on VAS 5051:
A - Actuator test is waiting - Continued switching required
6 - Air recirculation valve for turbocharger -N249
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Press the(arrow) button.
Display on VAS 5051:
A - Actuator is running - Continued switching allowed
^
LED should flash.
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Press the (arrow) button to exit from function "03 - Final control diagnosis".
If LED lamp does not flash or if it lights up continuously:
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Connect test box V.A.G 1598/31 to wiring harness connectors; do not connect engine control unit. Attach ground clip of test box to chassis (not
shown in illustration).
WARNING: To prevent damage to electronic components, switch to respective measuring range before connecting measuring cable and
observe test prerequisites.