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:
ABS HU/CM Inspection
1. Disconnect the ABS HU/CM connector..
2. Connect the negative battery cable..
3. Attach the tester lead to the ABS HU/CM wiring harness-side connector and
inspect the voltage, continuity, or resistance according to the standard (reference
value) in the table below.
Standard (reference)
...
Control Switches
Temperature control dial
This dial controls temperature. Turn it
clockwise for hot and counterclockwise
for cold.
NOTE
When the mode is set to or
with the
fan control dial in a position other than 0
and the temperature control dial in the
maximum cold position, the air intake
selector ...
Positive Crankcase Ventilation (PCV) Valve Inspection [Mzr 2.0, Mzr 2.5]
Airflow Inspection
1. Disconnect the section (A) of the ventilation hose shown in the figure.
2. Start the engine and verify that vacuum is applied to the end of the disconnected
ventilation hose while the engine is idling.
NOTE:
Because it is difficult to directly inspect the PC ...