Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Nissan-Datsun >> 2008 >> Sentra Base, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - DTCS P0506 To P2A00 (MR20DE) >> DTC P0643 Sensor Power Supply >> On Board Diagnosis Logic >> Notes

On Board Diagnosis Logic: Notes

This self-diagnosis has the one trip detection logic. 

DTC DETECTING CONDITION CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0643
0643		 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.)

    (Throttle position sensor circuit is shorted.)

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

  • Accelerator pedal position sensor
  • Throttle position sensor
  • Camshaft position sensor (PHASE)
scientia non olet · About Mike's Workshop Manuals