Control System (HVAC): Removal & Installation Mazda 6 GG

EVAPORATOR TEMPERATURE SENSOR REMOVAL/INSTALLATION

1. Remove the evaporator temperature sensor from the A/C unit. (See «A/C UNIT DISASSEMBLY/ASSEMBLY»(ref-193872-S08559345432005092600000) .)

Scheme 117

1. Turn the AUTO switch on. (Full-auto air conditioner)
2. Set the temperature control to MAX COLD.
3. Push the A/C switch.
4. Set the RECIRCULATE mode.
5. Close all doors and windows.
6. Wait for 5 minutes.
7. Remove the glove compartment.
8. Disconnect the evaporator temperature sensor.
9. Measure the temperature at the blower inlet.
10. Measure the resistance between terminals of the evaporator temperature sensor. If the resistance is not as shown in the see scheme 34, replace the evaporator temperature sensor.

WATER TEMPERATURE SENSOR REMOVAL/INSTALLATION

1. Remove the water temperature sensor from the A/C unit. (See «A/C UNIT DISASSEMBLY/ASSEMBLY»(ref-193872-S08559345432005092600000) .)

Scheme 118

1. Measure the temperature around the water temperature sensor.
2. Measure the resistance between terminals of the water temperature sensor. If the resistance is not see scheme 35, replace the water temperature sensor.

Scheme 119

1. Remove the battery.
2. Discharge the refrigerant from the system. (See «REFRIGERANT CHARGING»(ref-193871-S04942716232005092600000) .)
3. Remove the front combination light (RH). (See «FRONT COMBINATION LIGHT REMOVAL/INSTALLATION»(ref-193889-S09950919942005092600000) .)
4. Loosen the refrigerant pressure switch using two spanners.
5. Remove in the order indicated in the table. REFRIGERANT PRESSURE SWITCH REMOVAL/INSTALLATION 1 Refrigerant Pressure Switch Connector 2 Refrigerant Pressure Switch (See «REFRIGERANT PRESSURE SWITCH INSTALLATION NOTE»(ref-193873-S11762856882005092600000) .)
6. Install in the reverse order of removal.

Refrigerant Pressure Switch Installation Note

1. Apply compressor oil to O-ring and connect the joint.

Scheme 120

Scheme 121

Scheme 122

1. Install the manifold gauge set.
2. Disconnect the refrigerant pressure switch connector.
3. Verify the high-pressure side reading of the manifold gauge and continuity between the terminals of the refrigerant pressure switch. If not as specified, replace the refrigerant pressure switch.

Scheme 123

1. Disconnect the negative battery cable.
2. Disconnect the air mix wire from wire clamp and link. (Manual air conditioner)
3. Remove the center panel. (See «CENTER PANEL MODULE REMOVAL/INSTALLATION»(ref-193891-S09106314652005092600000) .)
4. Remove the screws and climate control unit. (Full-auto air conditioner)
5. Release the hook and pull the climate control unit toward you. (Manual air conditioner)
6. Disconnect the climate control unit connectors and remove the climate control unit. (Manual air conditioner)

Scheme 124

1. Pass air mix wire through the following routes then connect to A/C unit. (Manual air conditioner)
2. Connect the climate control unit connectors. (Manual air conditioner)
3. Install the climate control unit to the center panel. (Full-auto air conditioner)
4. Install the center panel.
5. Adjust the climate control unit wire. (Manual air conditioner) (See «CLIMATE CONTROL UNIT WIRE ADJUSTMENT»(ref-193873-S22370087022005092600000) .)
6. Connect the negative battery cable.

Scheme 125

Scheme 126

1. Disassemble in the order indicated in the tables. CLIMATE CONTROL UNIT DISASSEMBLY/ASSEMBLY- FULL-AUTO AIR 1 Illumination Bulb 2 Body CLIMATE CONTROL UNIT DISASSEMBLY/ASSEMBLY- MANUAL AIR 1 Fan Switch 2 Air Mix Wire (See «WIRE DISASSEMBLY NOTE»(ref-193873-S22850423492005092600000) .) (See «WIRE ASSEMBLY NOTE»(ref-193873-S08958115332005092600000) .) 3 Mode Switch 4 Body
2. Assemble in the reverse order of disassembly.

Scheme 127

1. Disassemble the wire in the (Scheme 118)

Scheme 128

1. Assemble the wire to the position (Scheme 119)

Scheme 129

1. Set the temperature control dial to max cold.
2. Set the air mix link to max cold in the direction shown by the arrow and insert a screwdriver at the set hole.
3. Connect the air mix wire to the air mix link.
4. Clamp the air mix wire to the wire clamp.
5. Verify that the temperature control dial rotates at its full stroke.