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Home >> Lexus >> 2008 >> SC 430 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> SFI System >> DTC P0121: Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

TYPICAL MALFUNCTION THRESHOLDS CHART

Either of following conditions is met -
"Difference of TP sensor voltage between VTA1 and VTA2 x 0.8" Higher than 1.6 V
"Difference of TP sensor voltage between VTA1 and VTA2 x 0.8" Lower than 0.8 V