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Home >> Toyota >> 2010 >> Matrix S, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control (SFI) System (2AZ-FE) (Diagnostic Codes (DTC P0451 - DTC P2A00) & Symptom Tests) >> SFI System >> DTC P2121: Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance >> Description
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DTC P2121: Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance: Description

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Refer to DTC P2120. Refer to DESCRIPTION .

DTC No. DTC Detection Condition Trouble Area
P2121 Difference between VPA and VPA2 less than 0.4 V, or more than 1.2 V for 0.5 seconds
(1 trip detection logic)
  • Accelerator pedal position sensor
  • ECM