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Home >> Lexus >> 2005 >> ES 330 >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> SFI System - Diagnostics >> DTC P0121: Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance Problem >> Circuit Description

Circuit Description

Refer to DTC P0120  .

DTC (P0121)

DTC No. DTC Detection Condition Trouble Area
P0121 Difference between voltage output of VTA1 and VTA2 deviates from the threshold for 2.0 seconds.
  • Throttle position sensor (built in throttle body)
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