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Home >> Audi >> 2017 >> A7 Quattro Competition >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 (3.0L & 4.0L - Fuel Supply - Engine Code(S): CEUC, CGXB, CRDB & CTUA) >> 20 Fuel Supply >> EVAP System >> Connection Diagram - EVAP System

Connection Diagram - EVAP System

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Fig 1: Identifying Connection Diagram Of EVAP System
GWWA20-10780Courtesy of AUDI OF AMERICA, LLC
  1. Breather Line
    • from EVAP canister to EVAP Canister Purge Regulator Valve 1 -N80-
  2. Fuel Tank
  3. Vent Line
    • from fuel tank to EVAP canister
  4. Air Filter
    • For the leak detection system
    • Market-specific
  5. EVAP Canister
  6. Vent Line
    • To air filter
  7. Breather Line
    • To EVAP Canister Purge Regulator Valve 1 -N80-
  8. Fuel Tank Leak Detection Control Module -J909-
    • With integrated Fuel Tank Pressure Sensor -G400-
    • Country specific NAR
    • Installed location: on the left side at the back of the underbody under the cover
    • Checking in Guided Functions  see Vehicle Diagnostic Tester
    • Removing and installing, refer to LEAK DETECTION PUMP, REMOVING AND INSTALLING .
  9. EVAP Canister Purge Regulator Valve 1 -N80-
  10. Check Valve