Mazda 3 Service Manual: Refrigerant Pressure Sensor Inspection [Manual Air Conditioner]
MZR 2.0, MZR 2.5
1. Install the manifold gauge.
2. Verify the high-pressure side reading of the manifold gauge.
3. Measure the terminal voltage of the climate control unit.
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1G,1H and 2J
4. Verify that below graph as measure the terminal voltage 2J.
5. Follow the climate control unit inspection when measure the other terminal voltage..
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Terminal 1G: 1.0 V or less
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Terminal 1H: Approx. 5 V (Ignition switch on)
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If the each voltage is not normal, inspect the related wiring harness.
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If there is any malfunction, replace the related wiring harness.
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If wiring harness is normal, replace the refrigerant pressure sensor.
SKYACTIV-G 2.0
1. Install the manifold gauge.
2. Verify the high-pressure side reading of the manifold gauge.
3. Measure the terminal voltage of the PCM.
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2BB, 2AX and 2AJ
4. Verify that below graph as measure the terminal voltage 2AX.
5. Follow the PCM inspection when measure the other terminal voltage..
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Terminal 2BB: 1.0 V or less
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Terminal 2AJ: Approx. 5 V (Ignition switch on)
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If the each voltage is not normal, inspect the related wiring harness.
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If there is any malfunction, replace the related wiring harness.
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If wiring harness is normal, replace the refrigerant pressure sensor.
Refrigerant Pressure Sensor Inspection [Full Auto Air Conditioner]
MZR 2.3 DISI Turbo, MZR 2.5
1. Install the manifold gauge.
2. Verify the high-pressure side reading of the manifold gauge.
3. Measure the terminal voltage of the climate control unit.
1C, ...
Refrigerant Pressure Sensor Removal/Installation [Full Auto Air Conditioner]
1. Disconnect the negative battery cable..
2. Discharge the refrigerant..
3. Disconnect the refrigerant pressure sensor connector.
CAUTION:
If moisture or foreign material enters the ref ...
Other materials:
Steering Shaft Inspection
1. Inspect the column bearing for excessive play and damage.
2. Verify that the measurement of the steering shaft indicated in the figure
is as specified.
If not within the specification replace the steering shaft component.
Steering shaft length
315—320 mm {12.41—12.59 ...
Brake Fluid Level Sensor Inspection
1. Disconnect the brake fluid level sensor connector from the master cylinder.
2. Inspect for continuity according to fluid level between the brake fluid level
sensor terminals.
If not as indicated in the table, replace the reserve tank.
...
Engine Disassembly/Assembly [Mzr 2.0, Mzr 2.5]
1. Remove the engine from the transaxle..
2. Remove the generator..
3. Remove the exhaust system..
4. Remove the EGR valve..
5. Remove the intake-air system..
6. Remove the fuel injectors..
7. Remove the ignition coils..
8. Remove the crankshaft position (CKP) sensor..
9. Disassemble ...
