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
...
Other materials:
Driver Side Air Bag Module Removal/Installation [Standard Deployment Control
System]
WARNING:
Handling the air bag module improperly can accidentally deploy the air bag
module, which may seriously injure you. Read the air bag system service warnings
and cautions before handling the air bag module..
1. Switch the ignition to off.
2. Disconnect the negative batte ...
Timing Chain Removal/Installation [Mzr 2.3 Disi Turbo]
WARNING:
Fuel vapor is hazardous. It can very easily ignite, causing serious injury
and damage. Always keep sparks and flames away from fuel.
Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious
injuries or death and damage. Fuel can also irritate skin ...
Lower Panel Removal/Installation
Driver-side
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Driver-side front scuff plate.
b. Driver-side front side trim.
c. Hood release lever.
d. Upper panel.
e. Shift knob (MTX).
f. Selector lever knob (ATX).
g. Shift panel.
h. Side wall.
i. Cons ...
