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Home >> Audi >> 2006 >> A4 Base, 2D Convertible >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> 1.8L - Engine Controls - On Board Diagnostic (OBD) Engine Code(S): AMB >> On Board Diagnostic (OBD) >> Readiness code >> Readiness code, generating >> Preconditions: >> Operation 8: Diagnosis of oxygen sensor (O2S) condition after Three Way Catalytic Converter (TWC).
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Operation 8: Diagnosis of oxygen sensor (O2S) condition after Three Way Catalytic Converter (TWC).

Test conditions: 

Display on VAS 5051:

Fig 1: Displaying On VAS 5051 - Operation 8, Diagnosis Of Oxygen Sensor Condition After Three Way Catalytic Converter (1 Of 2)
G03449219Courtesy of AUDI OF AMERICA, INC.

1 - Enter display group

Display on VAS 5051:

Fig 2: Displaying On VAS 5051 - Operation 8, Diagnosis Of Oxygen Sensor Condition After Three Way Catalytic Converter (2 Of 2)
G03449220Courtesy of AUDI OF AMERICA, INC.
DISPLAY GROUP 036: OXYGEN SENSOR CONDITION (BANK 1, SENSOR 2)

  Display zones
  1 2 3 4
Display group 036: Oxygen sensor condition (bank 1, sensor 2)
Display  x.xxx V    
Display  Oxygen sensor voltage, bank 1, sensor 2 Diagnosis status     
Range    Test OFF 
Test ON 
B1-P2 OK 
B1-P2 NOK 
   
Specified value  0.100...0.950 volts B1-P2 OK     
Note:    If "B1-S2 NOK" is displayed: Check Diagnostic Trouble Code (DTC) memory. Go to  DIAGNOSTIC TROUBLE CODE (DTC) MEMORY, CHECKING AND ERASING  .     

If specification "B1-P2 OK" is obtained: