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Home >> Nissan-Datsun >> 2011 >> Cube Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTC P0507 Through DTC P2A00 (For CALIFORNIA) >> DTC P0643: Sensor Power Supply >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC DETECTING CONDITION CHART

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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