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Lexus
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2005
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IS 300 Base, Automatic
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Repair and Diagnosis
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Engine Performance
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System
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Engine - Diagnostics
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DTC P2121: Throttle/Pedal Position Sensor/Switch "D" Circuit Range/Performance
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Typical Malfunction Thresholds
Typical Malfunction Thresholds
TYPICAL MALFUNCTION THRESHOLDS
Detection Criteria
Threshold
Difference between VPA and VPA2 learned voltages
Less than 0.8V, or more than 1.6V