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z 4 (Ground) and 20 (road speed signal). z Switch ON ignition and turn front left wheel by hand. z Voltage tester LED must blink (approx. four times per wheel rotation) If LED does not blink: z Check wiring for open/short circuit between following ECM harness connector terminal and instrument See appropriate System Wiring Diagram article. Up to MY 1999 Terminal 51 From MY 2000 Terminal 20 z Display the Readiness code. See READINESS CODE, DISPLAYING . If DTC memory was erased: z Set the readiness code. See READINESS CODE, SETTING . Throttle Position (TP) sensor -G79-, checking up to MY 99 Throttle Position (TP) sensor -G79- is located on accelerator pedal and communicates physical pedal position to Special tools z VAG1551/1552 Scan Tool using VAG1551/3 Adapter cable z VAG1598/22 Test Box (MY 1999) z VAG1598/31 Test Box (from MY 2000) z Fluke 83 multimeter, or equivalent z VW 1594 Adapter kit z Electrical Wiring Diagrams, Troubleshooting & Component Locations Test sequence NOTE: If necessary, hold the front right wheel to prevent it from turning.
2003 Volkswagen New Beetle GLS 1998-2004 ENGINE PERFORMANCE Diesel Fuel Injection, 1.9L ALH - New Beetle
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