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Home >> Mazda >> 2021 >> 3 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Instrumentation/Driver Info >> Fuel Gauge Sender Unit Inspection (Us) >> Fuel Gauge Sender Unit [AWD (Main)] >> VIN L & VIN M, VIN Y

VIN L & VIN M, VIN Y

  1. Perform the "Fuel Line Safety Procedure" referring to the "BEFORE SERVICE PRECAUTION".

    (See BEFORE SERVICE PRECAUTION [(VIN 7 & VIN L) (US)] .) (See BEFORE SERVICE PRECAUTION [(VIN M) (US)] .) (See BEFORE SERVICE PRECAUTION [(VIN Y) (US)] .)

  2. If the fuel gauge level indicates 8/16 or more, refer to the "FUEL DRAINING PROCEDURE" and drain the fuel.

    (See FUEL DRAINING PROCEDURE [(VIN 7 & VIN L) (US)] .) (See FUEL DRAINING PROCEDURE [(VIN M) (US)] .) (See FUEL DRAINING PROCEDURE [(VIN Y) (US)] .)

  3. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
  4. Remove the fuel gauge sender unit (main). (See FUEL GAUGE SENDER UNIT REMOVAL/INSTALLATION (US) .)
  5. Verify that the resistance at fuel gauge sender unit terminals F and C is as follows according to the height of the float.

    Resistance when float is in the highest position 

    • 18.5-21.5 ohms

    Resistance when float is in the lowest position 

    • 197-203 ohms
    G13179949Courtesy of MAZDA MOTORS CORP.