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Home >> Toyota >> 2003 >> Matrix XRS, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Control System Self Diagnostics >> Diagnostic Tests >> DTC P0121: Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance Problem >> Circuit Description
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Circuit Description

For circuit description, see DTC P0120: THROTTLE/PEDAL POSITION SENSOR/SWITCH "A" CIRCUIT MALFUNCTION . Detecting condition of DTC is when after vehicle speed has been exceeded 19 mph (30 km/h) even once, output value of throttle position sensor is out of applicable range for vehicle speed is more than zero mph (2 trip detection logic).