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Final control diagnosis > < Fault table

Passat (B3)

Motronic fuel injection and ignition system ä 07.95
Self-diagnosis
Erasing fault memory

Test conditions

  • ● Fault eliminated

Work sequence

  • ‒ Carry out road test of at least 10 minutes duration.
    When doing this
    • ‒ The coolant temperature must reach at least 80 °C,
    • ‒ Briefly depress accelerator pedal fully when engine speed is above 4600 rpm.
    • ‒ Accelerate in 4th gear from approx. 50 km/h (30 mph) for approx. 4 seconds using half throttle.
  • ‒ Connect fault reader V.A.G 1551 and select engine electronics control unit (address word 01); selection is carried out with engine idling.
 
→ Indicated on display:
Rapid data transfer     HELP
Select function XX
  • ‒ Input 02 for "Interrogate fault memory" function and confirm with Q.
 
→ Press ⇒button until all faults still stored have appeared and the display reads:
Schnelle Datenübertragung     HELP
Funktion anwählen XX
  • ‒ Input 05 for "Erase fault memory" function and confirm with Q.
    		•
     
    → Indicated on display:
    Rapid data transfer     ⇒
    Fault memory is erased!
    • ‒ Press ⇒ key.
     
    → Indicated on display:
    Rapid data transfer     HELP
    Select function XX
    • ‒ Input 06 for "End output" function and confirm with Q.
    • ‒ Carry out a further road test and interrogate fault memory again. No faults should be shown.

    Final control diagnosis > < Fault table