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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 Enabling Conditions
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Typical Enabling Conditions

TYPICAL ENABLING CONDITIONS CHART

Either of following conditions A or B is met -
A. Ignition switch ON
B. Electric throttle motor power ON
TP sensor malfunction (P0120, P0122, P0123, P0220, P0222, P0223, P2135) Not detected