Fuel Pump Operation Inspection
WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
- Connect the M-MDS to the DLC-2.
- Perform the KOEO self-test. (See DTC INSPECTION
.)
- If a DTC is detected, repair the malfunctioning location according to the applicable DTC troubleshooting. (See DTC TABLE [PCM (SKYACTIV-G (US))] .)
- Remove the fuel-filler cap.
- Switch the ignition ON (engine off).
- Verify the following operation sounds for approx. 1 s after the ignition is switched ON (engine off).
- Fuel pump relay (OFF → ON → OFF) (See RELAY LOCATION (US) .)
- Fuel pump (Verify direct operation sound from fuel-filler opening)
- If the operation sounds cannot be verified, inspect the following and repair or replace the malfunctioning location.