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should be 60-72 ohms. If resistance is not okay, replace faulty ECM. See ENGINE CONTROL DTC P1639/18047: ACCELERATOR PEDAL POSITION SENSOR 1 (G79) ACCELERATOR PEDAL Circuit/Component Description Accelerator Pedal Position (APP) sensor No. 1 (G79) and APP sensor No. 2 (G185) are located together as one When the engine is running (under load) the ECM can operate throttle valve independently of driver input. APP sensor No. 1 (G79) and APP sensor No. 2 (G185) communicate driver's intentions to ECM, fully Test Requirements Ensure throttle valve is not damaged or dirty. Ensure all fuses are okay, battery voltage is at least 11.5 volts and Test Procedure 1. Connect scan tool. See RETRIEVING DIAGNOSTIC TROUBLE CODES . Turn ignition on, engine off. Following scan tool manufacturer's instructions, observe percentage reading on APP sensors No. 1 2. Operate accelerator pedal slowly to Wide Open Throttle and observe percentage (voltage) readings for APP sensor No. 1 (G79) and APP sensor No. 2 (G185). Specification for APP sensor No. 1 (G79) is 12- 3. Turn ignition off. Remove drive's side footwell cover and trim as necessary. Disconnect APP sensors 6- pin harness connector. Turn ignition on. Check voltage supply at 6-pin harness connector. See Fig. 26 . NOTE: Test ranges for accelerator position sensors may not fully display on scan tool.
2003 Volkswagen New Beetle GLS 2001-2003 ENGINE PERFORMANCE Self-Diagnostics - 2.0L - Beetle, Golf & Jetta (Engine Codes AVH & AZG)
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