Home >> Lexus >> 2005 >> GS 300 >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine (2JZ-GE) - Diagnostics >> Circuit Inspection >> DTC P2120, P2122, P2123: Throttle/Pedal Position Sensor/Switch "D" Circuit, Throttle/Pedal Position Sensor/Switch "D" Circuit Low/High Input >> Monitor Strategy