Climate Control Unit Inspection [Full-Auto Air Conditioner]: Notes
WARNING: This page is about a different car, the 2007 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
- Turn the ignition switch to the ON position.
- Connect the negative (-) lead of the tester to body ground.
- By inserting the positive (+) lead of the tester into each climate control unit terminal, measure the voltage according to the terminal voltage table.
- If there is any malfunction, inspect the parts under "Inspection item (s)".
- If the parts under "Inspection item (s)" are found to be normal (except for terminal F), replace the climate control unit.
- For terminal F, first try replacing the power MOS FET. If there is still any malfunction, replace the climate control unit.
- If there is any malfunction, inspect the parts under "Inspection item (s)".