Golf L4-1.8L Turbo (AWW) (2003)
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Connect VAG 1598/31 test box to control module wiring harness. 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 72
Terminal 2 + socket 73
Terminal 3 + socket 36
Terminal 4 + socket 35
Terminal 5 + socket 33
Terminal 6 + socket 34
Wire resistance: max. 1.5 ohms
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Also check wires for shorts to Battery B+ or Ground (GND).
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Also check for shorting between wires.
If no malfunctions are found in wires:
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Replace accelerator pedal position sensor See item no.4 in "Electronic Engine Power Control (E - Gas), Checking". See: Testing and Inspection
In vehicles with automatic transmissions the transmission control module must also be adapted.