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Home >> Chevrolet >> 2017 >> Malibu LS >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays And Gauges >> Diagnostic Information and Procedures >> DTC P0461-P0464: Fuel Level Sensor Circuit >> Component Testing

Component Testing

  1. Ignition/Vehicle & All vehicle systems - Off
  2. Remove the fuel level sensor.
  3. Test for 245 to 255 Ω between the test points: Signal circuit terminal 5 & Low Reference circuit terminal 6 - Fuel Level Sensor - Empty
    • If not between 245 and 255 Ω 

      Replace the component: Fuel Level Sensor

    • If between 245 and 255 Ω 
  4. Test for 37 to 43 Ω between the test points: Signal circuit terminal 5 & Low Reference circuit terminal 6 - Fuel Level Sensor - Full
    • If not between 37 and 43 Ω 

      Replace the component: Fuel Level Sensor

    • If between 37 and 43 Ω 
  5. Perform a component sweep test: Fuel Level Sensor
  6. Test for 37-43 to 245-255 Ω between the test points: Signal circuit terminal 5 & Low Reference circuit terminal 6
  7. The value should not spike or drop out while moving the sensor through the entire range.
    • If not between 37-43 and 245-255 Ω or spikes or drops out 

      Replace the component: Fuel Level Sensor

    • If between 37-43 and 245-255 Ω and there are no spikes or drops out 
  8. All OK.
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