CX-7 L4-2.3L Turbo (2007)
Control Assembly: Component Tests and General Diagnostics
Airflow Volume Control Dial Inspection
AIRFLOW VOLUME CONTROL DIAL INSPECTION
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.
2. Install the audio unit.
3. Connect the climate control unit connector.
4. Connect the negative (-) lead of the tester to body ground.
5. Turn the ignition switch to the ON position.
6. 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 T), replace the climate control unit.
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For terminal T, first try replacing the power MOS FET. If there is still any malfunction, replace the climate control unit.
Climate Control Unit Inspection [Manual Air Conditioner]
CLIMATE CONTROL UNIT INSPECTION [MANUAL AIR CONDITIONER]
1. Remove the climate control unit.
2. Disconnect the air mix wire from the climate control unit
3. Install the audio unit.
4. Connect the climate control unit connector.
5. Connect the negative (-) lead of the tester to body ground.
6. Turn the ignition switch to the ON position.
7. 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, replace the climate control unit.