DTC DETECTION LOGIC

DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P0643
Sensor power supply circuit short
ECM detects that the 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.)
    [CMP sensor (PHASE) (bank 1) circuit is shorted.]
    (Turbocharger boost sensor circuit is shorted.)
    (EVAP control system pressure sensor circuit is shorted.)
  • Accelerator pedal position sensor
  • Throttle position sensor
  • Camshaft position sensor (PHASE) (bank 1)
  • Turbocharger boost sensor
  • EVAP control system pressure sensor

 
 DTC CONFIRMATION PROCEDURE

 
 1.PRECONDITIONING
 
 2.PERFORM DTC CONFIRMATION PROCEDURE