Beetle L4-2.0L (AEG) (2000)
When display shows Closed Throttle Position
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Press -> button.
Indicated on display
Rapid data transfer
HELP
Select function XX
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Press 0 and 6 buttons to select "End output" function 06.
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Press Q button to enter input.
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Switch OFF ignition.
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Check Voltage supply and wiring to Throttle Control Module.
If Voltage supply and wiring OK:
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Replace Engine Control Module.
Throttle drive G186 and Throttle drive angle sensor G187, checking
Requirements
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Engine Coolant Temperature must be 85 °C minimum, See Display group 04, Display field 3
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Connect VAG 1551/1552 Scan Tool. See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Reading and Clearing
Diagnostic Trouble Codes/Scan Tool Connecting
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Start engine and let idle.
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Press 0 and 1 buttons to select "Engine Electronics" address word 01.
Indicated on display (example only)
06A906018AB Motronic M5.9.2 HS V06 ->
Coding 00000
WSC 00000
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Press -> button.
Indicated on display
Rapid data transfer
HELP
Select function XX
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Press buttons 0 and 8 to select "Read Measuring Value Block" function 08.
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Press Q button to enter input.
Indicated on display
Read measuring value block
Input Display group number XXX
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Press 0, 5 and 5 buttons to select "Display group 55"
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Press Q button to enter input.
Indicated on display (1 to 4 as Display fields)
Read measuring value block 55
->
1
2
3
4
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Check Idle Speed Control specs (Display fields 1 to 4)