Mazda 3 Service Manual: Fuel Gauge Sender Unit Inspection
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..
2. Remove the rear seat cushion..
3. Remove the fuel pump unit..
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.
-
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 2.0, MZR 2.5
NOTE:
-
The fuel gauge sender unit is integrated with the fuel pump unit.
1. Disconnect the negative battery cable..
2. Remove the rear seat cushion..
3. Remove the fuel pump unit..
4. Verify that the resistance between terminals B and D of the fuel gauge sender unit based on the height of the float as shown in the figure.
-
If they are not as shown in the figure, replace the fuel pump unit.
|
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 |
Air Bleeding
CAUTION:
If the strainer is removed, impurities may penetrate the power steering system
and damage it. To prevent this, always bleed air with the strainer installed.
Do not ma ...
Fuel Gauge Sender Unit Removal/Installation
MZR 2.0, MZR 2.5
NOTE:
Fuel pump unit cannot be disassembled.
1. Remove the fuel gauge sender unit..
MZR 2.3 DISI Turbo
NOTE:
Fuel pump unit cannot be disassembled.
1. ...
Other materials:
Relay Inspection [Skyactiv G 2.0]
Relay Type
Connector type
Part name
Type A
Front fog light relay
Headlight relay (HI)
Headlight relay (LO)
Horn relay
TNS relay
A/C relay
Start ...
Vacuum Pump Inspection [Skyactiv G 2.0]
1. Pinch open the clamp using pliers and disconnect the vacuum hose from the
vacuum pump.
2. Install the vacuum gauge as shown in the figure, then check the vacuum.
3. Warn up the engine.
If the pressure is less than the specification, inspect for the following.
M ...
Manifold Absolute Pressure (Map) Sensor/Boost Air Temperature Sensor Removal/Installation
[Mzr 2.3 Disi Turbo]
NOTE:
Because the boost air temperature sensor is integrated in the MAP sensor,
replacing the boost air temperature sensor includes replacement of the MAP sensor/boost
air temperature sensor.
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove t ...
