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Toyota
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2005
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Matrix Base, FWD, Automatic
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Repair and Diagnosis (Single Page)
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Engine Performance
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Engine Control System (SFI) (1ZZ-FE (Fwd)) - Diagnostics
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SFI System (1ZZ-FE (Ff))
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DTC P0121: Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance Problem
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Typical Malfunction Thresholds
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Typical Malfunction Thresholds
TYPICAL MALFUNCTION THRESHOLDS (DTC P0121)
TP sensor 1 - [TP sensor 2 x 0.8 (corrected by learning value)]
Less than 0.8 V, or more than 1.6V