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Home >> Toyota >> 2009 >> Prius Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Control System >> SFI System >> DTC P0121 Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem >> Description
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DTC P0121 Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem: Description

Refer to DTC P0120  .

HINT:

This is the purpose of troubleshooting the throttle position sensor.

DTC TROUBLE DETECTION CONDITION CHART

DTC No. DTC Detection Condition Trouble Area
P0121 Difference between VTA1 and VTA2 is out of threshold for 2 seconds Throttle position sensor