Beetle L4-2.0L (AEG) (2000)
Vehicle Speed Sensor: Testing and Inspection
Vehicle Speed Signal, Checking
With Manufacturer's Scan Tool
Vehicle speed signal, 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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Battery Voltage must be 11.5 Volts minimum.
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Speedometer must be 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: 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
Read measuring value block
Input Display group number XXX
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Press 0, 0 and 5 buttons to select "Display group 5."
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Press Q button to enter input.
Indicated on display (1 to 4 = Display fields)
Read measuring value block 5
->
1
2
3
4
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Take test drive with 2nd technician to observe display.
Observe the appropriate safety precautions during road test.
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Observe value in Display field 3
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Specification: approx. driven speed shown on speedometer