CX-7 FWD L4-2.3L Turbo (2010)
Control Assembly: Component Tests and General Diagnostics
Airflow Volume Control Dial Inspection - Manual Air Conditioner
AIRFLOW VOLUME CONTROL DIAL INSPECTION [MANUAL AIR CONDITIONER]
1. Remove the climate control unit.
2. Inspect for continuity between the airflow volume control dial terminals using an ohmmeter.
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If not as specified, replace the airflow volume control dial.
Climate Control Unit Inspection - Full-Auto Air Conditioner
CLIMATE CONTROL UNIT INSPECTION [FULL-AUTO AIR CONDITIONER]
1. Remove the climate control unit. See: Service and Repair/Climate Control Unit Removal/Installation - Full-Auto Air Conditioner
2. Connect the climate control unit connector.
3. Connect the negative (-) lead of the tester to body ground.
4. Turn the ignition switch to the ON position.
5. By inserting the positive (+) lead of the tester into each climate control unit terminal, measure the voltage according to the terminal voltage table.
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If there is any malfunction, inspect the parts under "Inspection item (s)".
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If the parts under "Inspection item (s)" are found to be normal (except for terminal 1T), replace the climate control unit.
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For terminal 1T, first try replacing the power MOS FET. If there is still any malfunction, replace the climate control unit.
Terminal Voltage Table (Reference)