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Home >> Toyota >> 2003 >> Highlander Base, 3.0 F, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self Diagnostics - V6 >> 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 output value of the throttle position sensor is out of applicable range while the vehicle speed between 19 mph (30 km/h) and 0 mph (0 km/h) after vehicle speed has exceeded 19 mph (30 km/h) even once.

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