Home >> Lexus >> 2004 >> IS 300 Base, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control System - Diagnosis >> Circuit Inspection >> DTC P2120: Throttle/pedal Position Sensor/Switch "D" Circuit, DTC P2122: Throttle/pedal Position Sensor/Switch "D" Circuit, DTC P2123: Throttle/Pedal Position Sensor/Switch "D" Circuit High Input >> Monitor Strategy