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Home >> Lexus >> 2004 >> SC 430 >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> SFI System - Diagnosis >> DTC P2121: Throttle/Pedal Position Sensor/Switch "D" Circuit Range/Performance >> Circuit Description

Circuit Description

Refer to DTC P2120 on DTC P2120 THROTTLE/PEDAL POSITION SENSOR/SWITCH "D" CIRCUIT, DTC P2122 THROTTLE/PEDAL POSITION SENSOR/SWITCH "D" CIRCUIT LOW INPUT, DTC P2123 THROTTLE/PEDAL POSITION SENSOR/SWITCH "D" CIRCUIT HIGH INPUT, DTC P2125 THROTTLE/PEDAL POSITION SENSOR/SWITCH "E" CIRCUIT, DTC P2127 THROTTLE/PEDAL POSITION SENSOR/SWITCH "E" CIRCUIT LOW INPUT, DTC P2128 THROTTLE/PEDAL POSITION SENSOR/SWITCH "E" CIRCUIT HIGH INPUT, DTC P2138 THROTTLE/PEDAL POSITION SENSOR/SWITCH "D"/"E" VOLTAGE CORRELATION  .

Fig 1: DTC Detection Condition/Possible Cause Chart
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