Golf GLS L4-1.8L Turbo (AWW) (2001)
problems may occur depending on vehicle mileage.
Special tools equipment
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VAG1551 scan tool or VAG1552 mobile scan tool with VAG1551/3B cable
Work sequence
Perform the following operations after voltage supply open circuit:
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Switch ignition on for at least 10 seconds.
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Switch ignition off.
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Perform idling check. See: Fuel Delivery and Air Induction/Idle Speed/Testing and Inspection
NOTE: During idling check the EVAP canister purge regulator valve and the air conditioner are switched off and the oxygen sensor control learning
procedure is initiated.
-
Perform a longer test drive until poor driving characteristics are eliminated.
Observe the valid safety precautions when carrying out a road test See: Service Precautions/Technician Safety Information
During the road test the following operating conditions must be fulfilled:
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The coolant temperature must exceed 80 °C.
-
When the temperature is reached, the operating conditions
Idling
Part throttle
Full throttle
Overrun
must be attained several times.
-
At full throttle the speed must exceed 3500 RPM.
Replacement ECM, Adaptation (Function 10)
Replacement Engine Control Module (ECM), Adaptation (function 10)
NOTE:
-
The engine control module is adapted to the immobilizer control module in the instrument cluster. When changing a component it must be
readapted.
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If an authorized ignition key is not available but the secret number is, new ignition keys must be manufactured and adapted.
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The adapting can be interrupted with the "C" button of VAG 1551
Requirements
Authorized ignition key available.
-
Insert old (authorized) key in ignition lock.
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Connect VAG 1551, select operating mode 1, "Rapid data transfer". Switch ignition on and enter address word 17, "Instrument cluster".
After control module identification has been displayed:
Indicated on display (example)
IMMO-IDENT No.: VWZ7ZOV0066808 ->
-
Press -> button.
Indicated on display
Rapid data transfer
HELP
Select function XX
-
Press buttons -1- and -0- to select function 10, "Adaptation".
Indicated on display
Rapid data transfer
Q
10 - Adaptation