TT Roadster L4-1.8L Turbo (AWP) (2003)
Engine Speed Sensor: Testing and Inspection
With Manufacturer's Scan Tool
Engine Speed (RPM) Sensor -G28-, Testing
Special tools and equipment
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VAG 1526A
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VAG 1594A
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VAG 1598/31
Note: The Engine speed sensor is a combined speed sender and reference mark sender Without a signal from the -G28- the engine cannot be started. If
the signal from the -G28- fails while the engine is running, the engine will cut out immediately.
Test sequence
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Before carrying out the test, make sure that the sender is correctly installed and firmly seated.