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Control System - [Full-Auto Air Conditioner]: Removal & Installation Mazda CX-5 I

Automatic HVAC System 17 illustrations ~1087 words

POWER METAL OXIDE SEMICONDUCTOR FIELD EFFECT TRANSISTOR (POWER MOS FET) REMOVAL/INSTALLATION [FULL-AUTO AIR CONDITIONER]

Note. When removing the power MOS FET, perform the procedure in the posture shown in the figure.

Scheme 35

Scheme 35: POWER METAL OXIDE SEMICONDUCTOR FIELD EFFECT TRANSISTOR (POWER MOS FET) REMOVAL/INSTALLATION [FULL-A
Scheme 35: POWER METAL OXIDE SEMICONDUCTOR FIELD EFFECT TRANSISTOR (POWER MOS FET) REMOVAL/INSTALLATION [FULL-A

Scheme 36

Scheme 36
Scheme 36

Scheme 37

Scheme 37
Scheme 37

Scheme 38

Scheme 38
Scheme 38
  1. Disconnect the negative battery cable. (See «NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0]»(ref-615412-S04991947062014051000000) ).
  2. Remove the dashboard under cover. (See «DASHBOARD UNDER COVER REMOVAL/INSTALLATION»(ref-615455-S39827127492014051000000) ). (Scheme 35): Removing Power MOS FET
  3. Disconnect the connector.
  4. Rotate the power MOS FET (2) while pressing the tab (1). (Scheme 36): Locating Connector (Scheme 37): Rotating Power MOS FET
  5. Remove the power MOS FET.
  6. Install in the reverse order of removal. (Scheme 38): Identifying Power MOS FET

SOLAR RADIATION SENSOR REMOVAL/INSTALLATION [FULL-AUTO AIR CONDITIONER]

Note. When removing the solar radiation sensor, perform the procedure in the posture shown in the figure.

Scheme 39

Scheme 39: SOLAR RADIATION SENSOR REMOVAL/INSTALLATION [FULL-AUTO AIR CONDITIONER]
Scheme 39: SOLAR RADIATION SENSOR REMOVAL/INSTALLATION [FULL-AUTO AIR CONDITIONER]

Scheme 40

Scheme 40
Scheme 40

Scheme 41

Scheme 41
Scheme 41
  1. Disconnect the negative battery cable. (See «NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0]»(ref-615412-S04991947062014051000000) ). (Scheme 39): Removing Solar Radiation Sensor
  2. Remove the following parts: Front scuff plate (passenger-side) (See «FRONT SCUFF PLATE REMOVAL/INSTALLATION»(ref-615455-S15598834492014051000000) ). Front side trim (passenger-side) (See «FRONT SIDE TRIM REMOVAL/INSTALLATION»(ref-615455-S14137250292014051000000) ). Dashboard under cover (See «DASHBOARD UNDER COVER REMOVAL/INSTALLATION»(ref-615455-S39827127492014051000000) ). Front heat duct (passenger-side) (See «FRONT HEAT DUCT REMOVAL/INSTALLATION»(ref-615407-S27667055032014051000000) ). Glove compartment (See «GLOVE COMPARTMENT REMOVAL/INSTALLATION»(ref-615455-S15366383852014051000000) ). Decoration panel (See «DECORATION PANEL REMOVAL/INSTALLATION»(ref-615455-S15150991172014051000000) ). Lower panel (passenger-side) (See «LOWER PANEL REMOVAL/INSTALLATION»(ref-615455-S27517637452014051000000) ). Blower unit (See «BLOWER UNIT REMOVAL/INSTALLATION»(ref-615407-S07180625702014051000000) ).
  3. Press the tab from the inside of the dashboard and press out the solar radiation sensor as shown in the figure. (Scheme 40): Pressing Out Solar Radiation Sensor
  4. Disconnect the solar radiation sensor connector.
  5. Remove the solar radiation sensor.
  6. Install in the reverse order of removal. (Scheme 41): Identifying Solar Radiation Sensor And Connector

Scheme 42

Scheme 42: Solar Radiation Sensor Installation Note
Scheme 42: Solar Radiation Sensor Installation Note
  1. Align the shape of the solar radiation sensor with the shape of the installation hole on the dashboard side, and install as shown in the figure. (Scheme 42): Aligning Shape Of Solar Radiation Sensor With Shape Of Installation Hole On Dashboard Side

Scheme 43

Scheme 43: SOLAR RADIATION SENSOR INSPECTION [FULL-AUTO AIR CONDITIONER]
Scheme 43: SOLAR RADIATION SENSOR INSPECTION [FULL-AUTO AIR CONDITIONER]
  1. Shine a fluorescent light or expose the solar radiation sensor to natural sunlight.
  2. Connect the positive (+) lead to terminals B, C and negative (-) lead to terminal A of the solar radiation sensor, and verify that the voltage value is output. If the voltage is 0 V, replace the solar radiation sensor. (Scheme 43): Checking Solar Radiation Sensor

Scheme 44

Scheme 44: AMBIENT TEMPERATURE SENSOR REMOVAL/INSTALLATION [FULL-AUTO AIR CONDITIONER]
Scheme 44: AMBIENT TEMPERATURE SENSOR REMOVAL/INSTALLATION [FULL-AUTO AIR CONDITIONER]
  1. Disconnect the negative battery cable. (See «NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0]»(ref-615412-S04991947062014051000000) ).
  2. Remove the front bumper. (See «FRONT BUMPER REMOVAL/INSTALLATION»(ref-615469-S29267101842014051000000) ).
  3. Disconnect the connector.
  4. Remove the ambient temperature sensor.
  5. Install in the reverse order of removal. (Scheme 44): Identifying Ambient Temperature Sensor And Connector

Scheme 45

Scheme 45: AMBIENT TEMPERATURE SENSOR INSPECTION [FULL-AUTO AIR CONDITIONER]
Scheme 45: AMBIENT TEMPERATURE SENSOR INSPECTION [FULL-AUTO AIR CONDITIONER]
  1. Measure the temperature around the ambient temperature sensor and measure the resistance between the ambient temperature sensor terminal. If the characteristics of the ambient temperature sensor are not as shown in the graph, replace the ambient temperature sensor. (Scheme 45): Ambient Temperature Sensor Characteristics Graph

Scheme 46

Scheme 46: PASSENGER COMPARTMENT TEMPERATURE SENSOR REMOVAL/INSTALLATION [FULL-AUTO AIR CONDITIONER]
Scheme 46: PASSENGER COMPARTMENT TEMPERATURE SENSOR REMOVAL/INSTALLATION [FULL-AUTO AIR CONDITIONER]

Scheme 47

Scheme 47
Scheme 47
  1. Disconnect the negative battery cable. (See «NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0]»(ref-615412-S04991947062014051000000) ).
  2. Remove the following parts: Front scuff plate (driver-side) (See «FRONT SCUFF PLATE REMOVAL/INSTALLATION»(ref-615455-S15598834492014051000000) ). Front side trim (driver-side) (See «FRONT SIDE TRIM REMOVAL/INSTALLATION»(ref-615455-S14137250292014051000000) ). Switch panel (See «SWITCH PANEL REMOVAL/INSTALLATION»(ref-615455-S35661694702014051000000) ). Decoration panel (See «DECORATION PANEL REMOVAL/INSTALLATION»(ref-615455-S15150991172014051000000) ). Shift lever knob (MTX) (See «MANUAL TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION [C66M-R]»(ref-615440-S42122392892014051000000) ). Front console box (See «FRONT CONSOLE BOX REMOVAL/INSTALLATION»(ref-615455-S42371732362014051000000) ). Shift panel (See «SHIFT PANEL REMOVAL/INSTALLATION»(ref-615455-S00421900212014051000000) ). Upper panel (See «UPPER PANEL REMOVAL/INSTALLATION»(ref-615455-S24596820212014051000000) ). Rear console (See «REAR CONSOLE REMOVAL/INSTALLATION»(ref-615455-S26190969372014051000000) ). Side wall (See «SIDE WALL REMOVAL/INSTALLATION»(ref-615455-S29263037032014051000000) ). Front console (See «FRONT CONSOLE REMOVAL/INSTALLATION»(ref-615455-S37957878882014051000000) ). Hood release lever from the lower panel (See «HOOD LATCH AND RELEASE LEVER REMOVAL/INSTALLATION»(ref-615426-S03763202762014051000000) ). Lower panel (driver-side) (See «LOWER PANEL REMOVAL/INSTALLATION»(ref-615455-S27517637452014051000000) ).
  3. Remove the aspirator. (See «ASPIRATOR REMOVAL NOTE»(ref-615402-S10778456122014051000000) ).
  4. Remove the screw. (Scheme 46): Identifying Passenger Compartment Temperature Sensor, Aspirator With Screw
  5. Disconnect the connector.
  6. Remove the passenger compartment temperature sensor.
  7. Install in the reverse order of removal. (Scheme 47): Identifying Passenger Compartment Temperature Sensor And Connector

Scheme 48

Scheme 48: Aspirator Removal Note
Scheme 48: Aspirator Removal Note
  1. Remove the aspirator as shown in the figure. (Scheme 48): Identifying A/C Unit And Aspirator

Scheme 49

Scheme 49: PASSENGER COMPARTMENT TEMPERATURE SENSOR INSPECTION [FULL-AUTO AIR CONDITIONER]
Scheme 49: PASSENGER COMPARTMENT TEMPERATURE SENSOR INSPECTION [FULL-AUTO AIR CONDITIONER]
  1. Measure the temperature around the passenger compartment temperature sensor and measure the resistance between passenger compartment temperature sensor terminals A and B. If the characteristics of the passenger compartment temperature sensor are not as shown in the graph, replace the passenger compartment temperature sensor. (Scheme 49): Passenger Compartment Temperature Sensor Characteristics Graph

EVAPORATOR TEMPERATURE SENSOR REMOVAL/INSTALLATION [FULL-AUTO AIR CONDITIONER]

  1. Remove the evaporator temperature sensor from the A/C unit. (See «A/C UNIT DISASSEMBLY/ASSEMBLY»(ref-615407-S07069718282014051000000) ).

Refrigerant Pressure Sensor Installation Note

  1. Apply compressor oil to the O-rings and connect the joints.

Scheme 50

Scheme 50: REFRIGERANT PRESSURE SENSOR INSPECTION [FULL-AUTO AIR CONDITIONER]
Scheme 50: REFRIGERANT PRESSURE SENSOR INSPECTION [FULL-AUTO AIR CONDITIONER]
  1. Install the manifold gauge.
  2. Verify the high-pressure side reading of the manifold gauge.
  3. Measure the terminal voltage at PCM terminal 2BB, 2AX and 2AJ
  4. Using the graph below, measure and verify the terminal voltages at 2AX.
  5. Follow the PCM inspection when measuring the other terminal voltages. (See «PCM INSPECTION [SKYACTIV-G 2.0]»(ref-615396-S32068462542014051000000) ). Terminal 2BB: Approx. 5 V (Ignition switch on) Terminal 2AJ: 1.0 V or less If the each voltage is not normal, inspect the related wiring harness. If there is any malfunction, replace the related wiring harness. If wiring harness is normal, replace the refrigerant pressure sensor. (Scheme 50): PCM And Refrigerant Pressure Sensor - Circuit Diagram

CLIMATE CONTROL UNIT REMOVAL/INSTALLATION [FULL-AUTO AIR CONDITIONER]

Note. The climate control unit prior to replacement stores the vehicle specification information. The new climate control unit does not store any vehicle specification information. When the ignition is switched ON after the climate control unit is replaced, the climate control unit reads the vehicle specification information sent via CAN transmission from the instrument cluster, and stores the vehicle specification information.

Scheme 51

Scheme 51: CLIMATE CONTROL UNIT REMOVAL/INSTALLATION [FULL-AUTO AIR CONDITIONER]
Scheme 51: CLIMATE CONTROL UNIT REMOVAL/INSTALLATION [FULL-AUTO AIR CONDITIONER]
  1. Disconnect the negative battery cable. (See «NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0]»(ref-615412-S04991947062014051000000) ).
  2. Remove the following parts: Decoration panel (See «DECORATION PANEL REMOVAL/INSTALLATION»(ref-615455-S15150991172014051000000) ). Shift lever knob (MTX) (See «MANUAL TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION [C66M-R]»(ref-615440-S42122392892014051000000) ). Front console box (See «FRONT CONSOLE BOX REMOVAL/INSTALLATION»(ref-615455-S42371732362014051000000) ). Shift panel (See «SHIFT PANEL REMOVAL/INSTALLATION»(ref-615455-S00421900212014051000000) ). Upper panel (See «UPPER PANEL REMOVAL/INSTALLATION»(ref-615455-S24596820212014051000000) ). Rear console (See «REAR CONSOLE REMOVAL/INSTALLATION»(ref-615455-S26190969372014051000000) ). Side wall (See «SIDE WALL REMOVAL/INSTALLATION»(ref-615455-S29263037032014051000000) ). Front console (See «FRONT CONSOLE REMOVAL/INSTALLATION»(ref-615455-S37957878882014051000000) ).
  3. Remove in the order indicated in the table.
  4. Install in the reverse order of removal.
  5. Switch the ignition ON and perform the climate control unit automatic configuration.
  6. Clear the DTCs. (See «CLEARING DTC [FULL-AUTO AIR CONDITIONER]»(ref-615432-S10801030752014051000000) ). (Scheme 51): Identifying Climate Control Unit, Connector And Screws

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