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Home >> Volkswagen >> 2000 >> GTI GLX >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> 2.8L - Fuel Injection Ignition, Engine Code(S): AFP (A4 Platform) >> 01 On Board Diagnostic (OBD) >> Readiness code >> Readiness code (function 15), displaying >> Explanation of 8 digit readiness code
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Explanation of 8 digit readiness code

Readiness code is generated only when all display values = 0
1 2 3 4 5 6 7 8 Diagnostic function
              0 Three Way Catalytic Converter (TWC)
            0   TWC heating (not applicable/always "0" )
          0     EVAP system and fuel tank leak detection test
        0       Secondary Air Injection (AIR) system
      0         Air conditioning system (currently no diagnostic/always "0" )
    0           Oxygen Sensor O2S control
  0             Oxygen Sensor (HO2S) heating
0               Exhaust Gas Recirculation (EGR) system (not applicable/always "0" )
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