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DTC Detecting Condition and Trouble Area

DTC DETECTING CONDITION CHART

DTC detecting condition Trouble area
P2122: Throttle/Pedal Position Sensor/Switch "D" Circuit Low 
Output voltage of APP sensor (main) signal circuit is lower than 0.45 V.
(1 D/C detection logic)
  • APP sensor (main) and/or its circuit
  • ECM
P2123: Throttle/Pedal Position Sensor/Switch "D" Circuit High 
Output voltage of APP sensor (main) signal circuit is higher than 4.8 V.
(1 D/C detection logic)
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