FUEL GAUGE SENDER UNIT INSPECTION


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MZR 2.3 DISI Turbo, SKYACTIV-G 2.0

Note
•  The fuel gauge sender unit is integrated with the fuel pump unit.

1.  Disconnect the negative battery cable.

(See BATTERY REMOVAL/INSTALLATION [MZR 2.3 DISI Turbo].)

(See BATTERY REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)

2.  Remove the rear seat cushion. (See REAR SEAT CUSHION REMOVAL/INSTALLATION.)

3.  Remove the fuel pump unit. (See FUEL PUMP UNIT DISASSEMBLY/ASSEMBLY [MZR 2.3 DISI Turbo].)(See FUEL PUMP UNIT DISASSEMBLY/ASSEMBLY [SKYACTIV-G 2.0].)

4.  Verify that the resistance between terminals A and C of the fuel gauge sender unit based on the height of the float as shown in the figure.

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•  If they are not as shown in the figure, replace the fuel pump unit.

Float height (mm {in})

Resistance (ohms)

165.6 {6.520}
9.5—12.5
159.3 {6.272}
20.0
130.1 {5.122}
109.4
91.3 {3.59}
194.8—222.2
52.2 {2.06}
307.6
25.7 {1.01}
400.0
20.0 {0.787}
414.5—405.5


MZR 1.5, MZR 1.6, MZR 2.0, MZR 2.5, MZR 2.0 DISI i-stop

Note
•  The fuel gauge sender unit is integrated with the fuel pump unit.

1.  Disconnect the negative battery cable.

(See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].)

(See BATTERY REMOVAL/INSTALLATION [MZR 2.0, MZR 2.5].)
(See BATTERY REMOVAL/INSTALLATION [MZR 2.0 DISI i-stop].)

2.  Remove the rear seat cushion. (See REAR SEAT CUSHION REMOVAL/INSTALLATION.)

3.  Remove the fuel pump unit. (See FUEL PUMP UNIT DISASSEMBLY/ASSEMBLY [MZR 1.5, MZR 1.6].)(See FUEL PUMP UNIT DISASSEMBLY/ASSEMBLY [MZR 2.0, MZR 2.5].)(See FUEL PUMP UNIT DISASSEMBLY/ASSEMBLY [MZR 2.0 DISI i-stop].)

4.  Move the float to the topmost and bottommost positions, and verify that the resistance between terminals B and D of the fuel gauge sender unit and the position of the float are as shown in the figure.

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•  If they are not as shown in the figure, replace the fuel gauge unit. (See FUEL GAUGE SENDER UNIT REMOVAL/INSTALLATION.)

Float height (mm {in})

Resistance (ohms)

168.5 {6.634}
18—22
130.1 {5.122}
107.2—111.6
91.3 {3.59}
206—211
52.2 {2.06}
304.6—310.6
40.6 {1.60}
333.5—339.5
12.1 {0.476}
396.8—403.2


MZ-CD 1.6, MZR-CD 2.2

1.  Disconnect the negative battery cable.

(See BATTERY REMOVAL/INSTALLATION [MZ-CD 1.6].)

(See BATTERY REMOVAL/INSTALLATION [MZR-CD 2.2].)

2.  Remove the rear seat cushion. (See REAR SEAT CUSHION REMOVAL/INSTALLATION.)

3.  Remove the fuel gauge sender unit. (See FUEL GAUGE SENDER UNIT REMOVAL/INSTALLATION.)

4.  Move the float to the topmost and bottommost positions, and verify that the resistance between terminals B and D of the fuel gauge sender unit and the position of the float are as shown in the figure.

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•  If they are not as shown in the figure, replace the fuel gauge unit. (See FUEL GAUGE SENDER UNIT REMOVAL/INSTALLATION.)