LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2009 >> Yaris Base, 2D Hatchback, Automatic >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (1NZ-FE) >> SFI System >> DTC P2121 Throttle/Pedal Position Sensor/Switch "D" Circuit Range/Performance >> Monitor Description
September 30: LEMON manuals is back up on a temporary server! Slowness is possible

Monitor Description

When the difference between the output voltages of VPA and VPA2 deviates from the standard, the ECM determines that the Accelerator Pedal Position (APP) sensor is malfunctioning. The ECM turns on the MIL and the DTC is set.