Accelerator Pedal Position Sensor: Prius
WARNING:
Read service precautions before proceeding with service procedure. See SERVICE PRECAUTIONS .
- Disconnect electrical connector at accelerator pedal position sensor. Accelerator pedal position sensor is located near top of accelerator pedal. See Fig 1.
- Using ohmmeter, check resistance between VCP1 and EP1 terminals, and between VCP2 and EP2 terminals on accelerator pedal position sensor. See Fig 1. Resistance should be 1500-6000 ohms at 68°F (20°C). Replace accelerator pedal position sensor if resistance is not within specification. See ACCELERATOR PEDAL POSITION SENSOR under ENGINE SENSORS & SWITCHES in REMOVAL, OVERHAUL & INSTALLATION - 4-CYLINDER article.