GTI V6-2.8L (BDF) (2002)
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Jumper connector terminals 1 and 3 using adapter cables from VAG 1594 and observe display.
If display jumps to approx. 126.0 degrees C:
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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.
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Replace Mass Air Flow (MAF) sensor-G70-, item 6.
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Check DTC memory, repair malfunctions if necessary and then erase DTC memory
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Reading
Diagnostic Trouble Codes.
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Read readiness code.
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
If the DTC memory has been erased or the Motronic Engine Control Module (ECM) -J220- was disconnected from battery positive (B+), the readiness
code must be generated again.
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
If display remains at approx. -37.0 degrees C:
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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.
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Check wiring referring to Electrical Wiring Diagrams.
Continuation of check when display reads approx. 126.0 degrees C:
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Pull 5-pin connector -arrow-off Mass Air Flow (MAF) sensor -G70- with Intake Air Temperature (IAT) sensor -G42-.
If display jumps to approx. -42.0 degrees C:
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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.
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Replace Mass Air Flow (MAF) sensor -G70-, item 6.
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Check DTC memory, repair malfunctions if necessary and then erase DTC memory.
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Reading
Diagnostic Trouble Codes
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Read readiness code. If the DTC memory has been erased or the Motronic Engine Control Module (ECM) -J220- was disconnected from battery
positive (B+), the readiness code must be generated again.
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
If display remains at approx. 126.0 degrees C:
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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.
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Check wiring referring to Electrical Wiring Diagrams.
Checking wiring
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Remove wiper arms and cowl panel: