GTI V6-2.8L (BDF) (2002)
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The fuses must be OK.
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The battery voltage must be at least 11.5 V.
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All electrical accessories, e.g. lights and rear window heating must be switched off.
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If the vehicle is equipped with air conditioning, it must be turned off.
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Selector lever must be in position "P" or "N" on vehicles with an automatic transmission.
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Exhaust system between Three Way Catalytic Converter (TWC) and cylinder head must be free of leaks.
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Coolant temperature must be at least 85 degrees C, See display group 1, display zone 2.
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Three Way Catalytic Converter (TWC) temperature must be at least 380 degrees C, See display group 34, display zone 2.
Functional check
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Connect VAG 1551 Scan tool (or VAG 1552) and select engine electronics control module with the "Address word" 01. When doing this the
engine must be running at idle speed: ((VAG 1551 and Motronic Engine Control Module (ECM) -J220-, connecting and selecting).
See: Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan Tool Connecting/With Manufacturer's Scan Tool/Connecting VAG
1551 Scan Tool
Indicated on display:
Rapid data transfer
HELP
Select function XX
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Press buttons -0- and -4- for function "Initiate basic setting" and confirm entry with -Q- button.
Indicated on display:
Basic setting
Input display group number XXX
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Press buttons -0-, -4- and -3- for "Display group number 43" and confirm entry with -Q- button.
Indicated on display: (1...4 = display zones)
System in basic setting 43
->
1
2
3
4
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Depress brake pedal and hold.
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Depress accelerator down to full throttle position.
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Engine speed will be increased by Motronic Engine Control Module (ECM) -J220- to approx. 2300 rpm.
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Depress brake pedal and accelerator down and hold until display in display zone 4 jumps from "Test OFF" to "Test ON."
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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. 30 seconds.
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Depress and hold brake pedal and accelerator until display zone 4 displays specification "B1-P2 OK."
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Release brake and accelerator pedals.
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Press the -> button.
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Press buttons -0- and -6- for function "End output" and confirm entry with the -Q- button.
If the display does not indicate as described: