Mazda 3 Service Manual: Expansion Valve Removal/Installation
1. Disconnect the negative battery cable..
2. Discharge the refrigerant from the system..
CAUTION:
-
If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and abnormal noise will occur. Always immediately plug all open fittings after removing any refrigeration cycle parts to keep moisture or foreign material out of the cycle.
3. Disconnect the cooler hose (LO) and cooler pipe. Do not allow compressor oil to spill..
4. Remove the following parts:
a. Front side trim (RH).
b. Front scuff plate.
c. Dashboard under cover.
d. Glove compartment.
e. Lower panel (passenger-side).
f. Side wall (RH).
g. Shower duct (RH).
5. Remove the adhesive polyurethane (2)..
6. Remove the bolt A.
7. Disconnect the evaporator pipe.
8. Remove the bolt B.
9. Remove the expansion valve. Do not allow compressor oil to spill.
10. Install in the reverse order of removal.
11. Perform the refrigerant system performance test..
Evaporator Inspection
1. Inspect the evaporator for damage, cracks, and oil leakage.
If there is any malfunction, replace the evaporator.
2. Visually inspect the fins for bending.
If there is any bend ...
Fan Switch Inspection [Manual Air Conditioner]
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Upper panel.
b. Shift lever knob (MTX).
c. Selector lever knob (ATX).
d. Shift panel.
e. Side wall.
f. Consol ...
Other materials:
Ignition Switch Inspection [Without Advanced Keyless Entry And Push Button Start
System]
1. Disconnect the negative battery cable..
2. Remove the column cover..
3. Remove the ignition switch..
4. Verify that the continuity between the ignition switch terminals is as indicated
in the table.
If not as indicated in the table, replace the ignition switch.
...
Purge Solenoid Valve Inspection [Mzr 2.0, Mzr 2.5]
Airflow Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the purge solenoid valve..
4. Inspect airflow between the ports under the following conditions.
Measured condition
Continuity between A—B
...
Warm Up Three Way Catalytic Converter (Wu Twc) Inspection [Mzr 2.0, Mzr 2.5]
CAUTION:
Perform the following procedures, DTC P0421:00 is indicated only.
1. Connect the M-MDS to the DLC-2.
2. Start the engine and warm it up to normal operating temperature.
3. Turn off the engine.
4. Verify that the engine compression is within the specification..
...
