TT Roadster L4-1.8L Turbo (AWP) (2003)
Engine Control Module (ECM) is not connected.
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Check for open circuits in wires between test box and connector according to wiring diagram:
Terminal 1 + socket 92
Terminal 2 + socket 83
Terminal 3 + socket 117
Terminal 4 + socket 84
Terminal 5 + socket 118
Terminal 6 + socket 91
Wire resistance: max: 1.5 Ohm
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Also check wires for short circuit to each other.
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Also check wires for short circuits to B+ or Ground (GND).
If no malfunctions are found in wires:
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Check voltage supply of Engine Control Module (ECM). See: Computers and Control Systems/Testing and Inspection/Component Tests and
General Diagnostics/Voltage Supply For Engine Control Module (ECM), Checking
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Erase DTC memory of Engine Control Module (ECM), Diagnostic mode 4: Reset/erase diagnostic data. See: Computers and Control
Systems/Testing and Inspection/Scan Tool Testing and Procedures/Scan Tool Testing/With Generic Scan Tool/Diagnostic Mode 4: Reset/Erase
Diagnostic Data
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Generate readiness code. See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes/Audi
Drive Cycle/Readiness Code/With Generic Scan Tool/Readiness Code, Generating