A4 Quattro Sedan V6-3.0L (AVK) (2002)
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Repair wiring or short circuit if necessary.
If you did not find any malfunction, however the Leak Detection Pump (LDP) did not function during the Output Diagnostic Test Mode (DTM):
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Replace LDP.
If the LED does not blink, although wiring is OK:
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Replace the Engine Control Module (ECM)
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Generate readiness code:
Checking input wiring (vehicles with electronic throttle control)
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Switch ignition off.
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Connect test box VAG1598/31 to harness connector, "Check output wiring."
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Check the following wire connections for open circuit or short circuit to Ground or plus (B+):
Electrical connector terminal
Test box VAG1598/31 socket
1
80
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Repair open or short circuit as necessary.
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Generate readiness code: