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Home >> Lexus >> 2008 >> IS F >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System - SFI System Diagnostics (1 Of 4) >> 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

Monitor runs whenever following DTCs are not present P0120, P0122, P0123, P0220, P0222, P0223, P2135 (Throttle position sensor)
Either of the following conditions A or B is met -
A Engine switch on (IG)
B Electric throttle motor power ON
Throttle position sensor malfunction (P0120, P0122, P0123, P0220, P0222, P0223, P2135) Not detected