LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 2017 >> 3 Sport, 4D Hatchback, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic - Engine Control (3 Of 5) >> DTC P0629; Pcm Fuel Pump Control Module Circuit High Input >> Notes

DTC P0629; Pcm Fuel Pump Control Module Circuit High Input: Notes

DETECTION CONDITION & POSSIBLE CAUSE

DTC P0629:00 Fuel pump control module circuit high input
DETECTION CONDITION
  • The PCM detects over-current during the fuel pump control module control.

    Diagnostic support note

  • This is a continuous monitor (CCM).
  • The check engine light does not illuminate.
  • FREEZE FRAME DATA (Mode 2) is not available.
  • Snapshot data is available.
  • DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION
  • Stops fuel pump control
POSSIBLE CAUSE
  • Fuel pump unit connector or terminals malfunction
  • Fuel pump unit malfunction
  • Fuel pump control module connector or terminals malfunction
  • Short to power supply in wiring harness between the following terminals:
    • Fuel pump unit terminal A-Fuel pump control module terminal 2C
      • Fuel pump unit terminal B-Fuel pump control module terminal 2D
  • Fuel pump relay malfunction
  • Fuel pump control module malfunction
  • PCM malfunction
G11550327