TT Roadster L4-1.8L Turbo (AWP) (2003)
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Test wiring between engine control module and accelerator position sensors.
Testing wiring
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Connect test box VAG 1598/31 to wiring harness for engine control module. Do not connect to the engine control module itself. See: Powertrain
Management/Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Scan Tool Testing/With Manufacturer's
Scan Tool/Scan Tool Connecting and Initial Checks/Wiring and Component Testing Using VAG1598/31 Test Box
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Test for open circuit and short to positive or Ground in the following wiring connections:
Connector
Test box VAG 1598/31
Contact
Socket
1
72
2
73
3
36
4
35
5
33
6
34
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Correct any open/short circuit as necessary.
If no malfunction is detected in wiring:
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Replace accelerator position sensors.