Beetle L4-2.0L (AEG) (2000)
Engine Control Module: Testing and Inspection
ECM Voltage Supply, Checking
With Manufacturer's Scan Tool
ECM Voltage Supply, Checking
Special tools, workshop equipment, testers, measuring instruments and auxiliary items required
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VAG 1551/1552 Scan Tool using VAG 1551/3 Adaptor cable
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VAG 1598/22 Test Box
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Fluke 83 multimeter
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VW 1594 Adaptor kit
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Wiring diagram
Requirements
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Fuses 10 and 29 OK.
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Battery Voltage: 11.5 Volts minimum
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ALL electrical consumers switched OFF
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A/C switched OFF, if installed
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Automatic transmission Range selector lever in "P" or "N"
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Generator OK
Test sequence
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Connect VAG 1551/1552 Scan Tool. Refer to "Scan Tool Testing/Scan Tool Connecting and Initial Checks", See: Powertrain
Management/Computers and Control Systems/Testing and Inspection
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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 0 and 8 buttons to select "Read Measuring Value Block" function 08.
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Press Q button to enter input.
Indicated on display