TT Coupe L4-1.8L Turbo (AWP) (2005)
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Replace Motronic Engine Control Module (ECM) -J220-.
If MIL does not come on when ignition is switched on:
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Start engine and let run at idle:
MIL must go off after a few seconds.
If MIL does not go out:
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Switch off ignition.
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Remove instrument cluster
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Connect test box to control module wiring harness. See: Testing and Inspection/Component Tests and General Diagnostics/Test Box, Connecting
For Wiring Test
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Check wire connection between test box socket 47 and instrument cluster for short circuit to Ground (GND) according to wiring diagram
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Erase DTC memory of ECM. See: Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic Mode 04 - Erase DTC Memory
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Generate readiness code. See: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes/Generate Readiness Code
If no malfunctions are detected in wire from Engine Control Module (ECM) to Malfunction Indicator Lamp (MIL):
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Replace Motronic Engine Control Module (ECM) -J220-.
