Fuel Gauge Sender Unit (Sub)

Remove the fuel gauge sender unit (sub). (See FUEL GAUGE SENDER UNIT REMOVAL/INSTALLATION (AWD) .)
Verify that the resistance at fuel gauge sender unit (sub) terminals A and B 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
Fig 1: Checking Resistance At Fuel Gauge Sender Unit (Sub) Terminals A And B
Courtesy of MAZDA MOTORS CORP.
- If not as indicated in the table, replace the fuel gauge sender unit (sub). (See FUEL GAUGE SENDER UNIT REMOVAL/INSTALLATION (AWD) .)