2005 Mazda MPV LXFACTORY OEM SERVICE PROCEDURE

Fuel Pump Operation Inspection

CAUTION:
  • Connecting the wrong check connector terminal may possibly cause malfunction. Carefully connect the specified terminal only.
  1. Short the check connector terminal F/P to body GND using a jumper wire. (See AFTER REPAIR PROCEDURE .)
  2. Remove the fuel-filler cap.
  3. Turn ignition switch to ON position.
  4. Verify that the fuel pump operation sound is heard.
    • If no operation sound is heard, proceed to next step.
  5. Measure the voltage at harness side fuel pump connector terminal B.

    Specification B+ (Ignition switch at ON) 

    • If the voltage is as specified, inspect the following:
      • Fuel pump continuity
      • Fuel pump GND
      • Wiring harness between fuel pump relay and PCM terminal 95
    • If not as specified, inspect the following:
      • Fuel pump relay
      • Wiring harness connector (Main relay-fuel pump relay-fuel pump)
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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