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Home >> Mazda >> 2017 >> CX-9 Touring, AWD >> Repair and Diagnosis (Single Page) >> Electrical >> Gauges >> Instrumentation/Driver Info >> Fuel Gauge Sender Unit Inspection [AWD] >> Fuel gauge sender unit (main)

Fuel gauge sender unit (main)

  1. Complete the "BEFORE SERVICE PRECAUTION". (See BEFORE SERVICE PRECAUTION [SKYACTIV-G 2.5T] .)
  2. If the fuel gauge level indicates 3/4 or more, refer to the "FUEL DRAINING PROCEDURE" and drain the fuel. (See FUEL DRAINING PROCEDURE [SKYACTIV-G 2.5T] .)
  3. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  4. Remove the second-row seat (LH). (See SECOND-ROW SEAT REMOVAL/INSTALLATION .)
  5. Remove the fuel pump unit. (See FUEL PUMP UNIT REMOVAL/INSTALLATION [SKYACTIV-G 2.5T] .)
  6. Verify that the resistance between fuel pump unit terminals C and D is as indicated in the table.
Fig 1: Checking Resistance Between Fuel Pump Unit Terminals C And D
G11434795Courtesy of MAZDA MOTORS CORP.
Condition of float Resistance (ohm)
Float is at top position 18.5-21.5
Float is at bottom position 197-203