TT Quattro Coupe L4-1.8L Turbo (AWP) (2001)
If the specifications are not obtained:
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Test wiring between engine control module and throttle valve control module.
Testing wiring
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Unplug connector from throttle valve control module.
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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: 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 Ground or positive in the following wiring connections:
Connector
Test box VAG 1598/31
Contact
Socket
1
92
2
83
3
117
4
84
5
118
6
91
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Correct any open/short circuit as necessary.
If no malfunction is detected:
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Install a new throttle valve control module.