Operation CHARM
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Audi
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1998
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A8 Quattro Sedan (4D2) V8-4.2L (ABZ)
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Testing and Inspection
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Component Tests and General Diagnostics
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Malfunction Indicator Lamp (MIL)
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MIL Functional Testing
MIL Functional Testing
Functional testing
-
Switch ignition on.
The
MIL
must light up
If the
MIL
does not light:
-
Check DTC memory.
-
Check wiring to
MIL
using appropriate wiring diagram.