Mazda 3 Service Manual: 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.
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1C, 1E 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 1E: 1.0 V or less
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Terminal 1C: 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.
Pressure Sensor Removal/Installation [Two Step Deployment Control System]
1. Switch the ignition to off.
2. Disconnect the negative battery cable and wait for 1 min or more..
3. Remove the inner garnish..
4. Remove the front door trim..
5. Remove the bolts.
6 ...
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.
1G,1H and 2J
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Other materials:
Oil Control Valve (OCV) Removal/Installation [Mzr 2.0, Mzr 2.5]
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the plug hole plate..
4. Disconnect the wiring harness.
5. Remove the ignition coils..
6. Remove the ventilation hose.
7. Remove the oil level gauge.
8. Remove the cylinder head cover..
9. Remove in th ...
Air Mix Actuator Removal/Installation [Full Auto Air Conditioner]
Driver-side
1. Disconnect the negative battery cable..
2. Disconnect the connector.
3. Remove the hook (1), remove the rod (2) from the air mix actuator link.
4. Remove the screw.
5. Remove the driver-side air mix actuator.
6. Install in the reverse order of removal.
Passenger- ...
Variable Swirl Solenoid Valve Inspection [Mzr 2.3 Disi Turbo]
Airflow Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the variable swirl solenoid valve..
4. Inspect the airflow between the ports under the following conditions.
If not as specified, replace the variable swirl solenoid valve..
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