Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Mazda >> 2018 >> CX-5 Touring, AWD >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic - Engine Control (1 Of 3) >> DTC P0193-00: Fuel Pressure Sensor Circuit High Input >> Notes

DTC P0193-00: Fuel Pressure Sensor Circuit High Input: Notes

DTC P0193:00 PCM (SKYACTIV-G 2.5 - WITH CYLINDER DEACTIVATION) DETECTION CONDITION AND POSSIBLE CAUSE

DTC P0193:00 Fuel Pressure Sensor Circuit High Input
DETECTION CONDITION
  • If the input voltage at the PCM terminal 1W is more than 4.87 V for 5 s, the PCM determines that the fuel pressure sensor circuit is high.
Diagnostic support note
  • This is a continuous monitor (CCM).
  • The check engine light illuminates if the PCM detects the above malfunction condition during the first drive cycle.
  • FREEZE FRAME DATA/Snapshot data is available.
  • DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION
  • Stops high pressure fuel pump control
  • Limits intake air amount
POSSIBLE CAUSE
  • Fuel pressure sensor connector or terminals malfunction
  • PCM connector or terminals malfunction
  • Fuel pressure sensor malfunction
  • Short to power supply in wiring harness between fuel pressure sensor terminal C and PCM terminal 1W
  • Open circuit in wiring harness between the following terminals:
    • Fuel pressure sensor terminal E-PCM terminal 1K
    • Fuel pressure sensor terminal C-PCM terminal 1W
      • Fuel pressure sensor terminal A-PCM terminal 1BH
  • PCM malfunction
G12185262