Operation CHARM: Car repair manuals for everyone.
Home >> Audi >> 1990 >> 90 L5-2309cc 2.3L SOHC (NG) >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Instrument Panel >> Active Check Module >> Testing and Inspection
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Active Check Module: Testing and Inspection


Quick-Checks:
1. System Check:
- Switch ignition ON
"OK" symbol should be displayed for about five seconds

2. Bulb Check:
- Switch ignition ON (engine not running)
- Push "Auto-Check" button
All symbols on Auto-Check display should light
pro multis · About Operation CHARM