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Home >> Mazda >> 2021 >> 3 Select, 4D Hatchback, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Fuel System (VIN M)) >> Fuel Pump Control Module Inspection
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Fuel Pump Control Module Inspection

WARNING: This page is about a different variant/trim than selected.
  1. Connect the M-MDS to the DLC-2.
  2. Switch the ignition ON (engine off).
  3. Perform the KOEO self-test. (See DTC INSPECTION .)
  4. Verify that a fuel pump control module related DTC is detected. (See DTC INSPECTION .)
    • If DTCs are detected, repair the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [PCM (VINs 7, L, M) (US)] .)
    • If a DTC is not detected, go to the next step.
  5. Inspect the following:
    • Fuel pump control module damage
    • Fuel pump control module connector damage or corrosion
      • If there is any malfunction, repair or replace the malfunctioning part.