GTI V6-2.8L (BDF) (2002)
Functional check
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Connect VAG 1551 Scan tool ((VAG 1552) and select engine electronics control module with the "Address word" 01. When doing this the engine
must be running at idling speed: (Connecting scan tool and selecting engine electronics control module). Refer to "Scan Tool Testing/Scan Tool
Connecting and Initial Checks",
See: Testing and Inspection
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-, -2- and -8- for the "Display group number 28" and confirm entry with -Q- button.
Indicated on display: (1 to 4 = display zones)
System in basic setting 28
->
1
2
3
4
Only continue with the test when
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The Engine Coolant Temperature (ECT) is above 85 degrees C - Display zone 3-
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Depress brake pedal and hold.
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Depress accelerator down to full throttle position.
Engine speed will be increased by Engine Control Module (ECM) 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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Depress and hold brake pedal and accelerator until display zone 4 displays specification "Syst. 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.
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Switch off ignition.
If "Syst.n.OK." appears in display zone 4:
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Check the resistance and wiring for Knock sensors (KS).
Checking resistance and wiring
Knock sensor (KS) 1 -G61-
-
Separate 3-pin connector to Knock sensor (KS) 1 -arrow- on right of cylinder head.