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Home >> Audi >> 1994 >> 100CS Quattro Sedan V6-2.8L (AAH) >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Instrument Panel >> Active Check Module >> Description and Operation
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Active Check Module: Description and Operation

Operation

NOTE: When performing the display check for the Auto-Check system, yellow and red displays should illuminate. If not, check relevant bulbs.

Warning Displays:





Checking

NOTE: The Auto-Check display check button is incorporated into the instrument panel dimmer switch.

- Switch ignition OFF
- Press and hold Auto-Check display check button on instrument cluster.
- Switch ignition ON.

Two-digit code appears in Auto-Check display:
- First digit: number of cylinders
- Second digit: position of coding switch.
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