Operation CHARM: Car repair manuals for everyone.
Home >> Audi >> 2007 >> S4 Quattro Sedan (8EC) V8-4.2L (BHF) >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - HVAC >> Control Module HVAC >> Testing and Inspection >> Component Tests and General Diagnostics >> Climatronic Control Module A/C Control Head Electrical Test >> Test Step 2
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

Test Step 2






Test Step 2

Temperature sensor









• The wire connection to these sensors ends at different connectors. Therefore use a second test box (V.A.G 1598A) or connect the measuring device with a suitable measuring lead from the connector test kit (V.A.G 1594C) directly to the adapter cable (V.A.G 1598/12)
pro multis · About Operation CHARM