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DTC Detection Logic

DTC DETECTION LOGIC

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0643 Sensor power supply circuit short ECM detects a voltage of power source for sensor is excessively low or high.
  • Harness or connectors

    (APP sensor 1 circuit is shorted.)

    (TP sensor circuit is shorted.)

    [Camshaft position sensor (PHASE) circuit is shorted.]

  • Accelerator pedal position sensor
  • Throttle position sensor
  • Camshaft position sensor (PHASE)
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