GTI V6-2.8L (BDF) (2002)
Indicated on display:
Basic setting
Input display group number XXX
-
Press buttons -0-, -3- and -4- for "Display group number 34" and confirm entry with -Q- button.
Indicated on display: (1 to 4 = display zones)
System in basic setting 34
->
1
2
3
4
-
Depress brake pedal and hold.
-
Depress accelerator down to full throttle position.
Engine speed will be increased by Motronic Engine Control Module (ECM) -J220- to approx. 2300 rpm.
-
Depress brake pedal and accelerator down and hold until display in display zone 4 jumps from "Test OFF" to "Test ON."
-
When performing this test the Three Way Catalytic Converter (TWC) temperature in display zone 2 must be at least 380 degrees C.
NOTE: This process can take approx. 90 seconds.
-
Depress and hold brake pedal and accelerator until display zone 4 displays specification "B1-P1 OK.".
-
Release brake and accelerator pedals.
-
Press the -> button.
-
Press buttons -0- and -6- for function "End output" and confirm entry with the -Q- button.
If the display does not indicate as described:
-
Carry out a road test to remove possible residue on Oxygen Sensor (O2S) and repeat check.
Observe the valid safety precautions when carrying out a road test. Refer to "Fuel Delivery and Air Induction/Service Precautions"
See: Fuel Delivery and Air Induction/Service Precautions/Technician Safety Information
If the display does not indicate as described again:
-
Check Oxygen Sensor (O2S) and Oxygen Sensor control before Three Way Catalytic Converter (TWC)
See:
With Generic Scan Tool
Oxygen Sensor (O2S) And Oxygen Sensor Control Before Three Way Catalytic Converter (TWC), Checking
NOTE:
-
Vehicle must be raised before connector for oxygen sensor is accessible.
-
When servicing terminals in harness connector of Heated Oxygen Sensor (HO2S), use only gold-plated terminals.
-
The oxygen sensor (before catalytic converter) has a static regulation and can be differentiated from the oxygen sensor behind catalytic converter
via a 6-pin connector.
Recommended special tools and equipment
-
VAG1526 multimeter or VAG1715 multimeter
-
VAG1594 connector test kit
-
Wiring diagram
Test requirements