Jetta GLX V6-2.8L (AFP) (2002)
Indicated on display (1-4 " display fields)
-
Press brake pedal and hold.
Note: The engine control unit will increase the engine speed.
-
Check catalytic converter conversion (amplitude ratio) in field 3:
Specification: 0.50 maximum
-
Let engine run at higher speed until "Cat B1 OK" is displayed in field 4.
If the diagnosis is started by the engine control unit, field 4 will jump from "Test OFF" to "Test ON."
Note: Diagnosis of the catalytic converter lasts about 100 seconds.