Climate Control Unit Inspection (Auto A/C): Notes

WARNING: This page is about a different car, the 2017 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Remove the following parts:
1. Console side panel (See CONSOLE SIDE PANEL REMOVAL/INSTALLATION .)
2. Switch panel (See SWITCH PANEL REMOVAL/INSTALLATION .)
3. Cup holder (See CUP HOLDER REMOVAL/INSTALLATION .)
4. Selector lever knob (ATX) (See SELECTOR LEVER COMPONENT REMOVAL/INSTALLATION .)
5. Shift lever knob (MTX) (See MANUAL TRANSAXLE SHIFT MECHANISM LOCATION INDEX [C66M-R] .)
6. Shift panel (See SHIFT PANEL REMOVAL/INSTALLATION .)
7. Front console box (See FRONT CONSOLE BOX REMOVAL/INSTALLATION .)
8. Side wall (See SIDE WALL REMOVAL/INSTALLATION .)
9. Rear console (See REAR CONSOLE REMOVAL/INSTALLATION .)
10. Driver-side front scuff plate (See FRONT SCUFF PLATE REMOVAL/INSTALLATION .)
11. Driver-side front side trim (See FRONT SIDE TRIM REMOVAL/INSTALLATION .)
12. Lower decoration panel (See DECORATION PANEL REMOVAL/INSTALLATION .)
13. Hood release lever (See HOOD RELEASE LEVER AND RELEASE CABLE REMOVAL/INSTALLATION .)
14. Fuel filer lid opener lever (See FUEL-FILLER LID OPENER AND LEVER REMOVAL/INSTALLATION .)
15. Driver-side lower panel (See LOWER PANEL REMOVAL/INSTALLATION .)
16. Center lower panel (See CENTER LOWER PANEL REMOVAL/INSTALLATION .)
Remove the climate control unit with the connector connected. (See CLIMATE CONTROL UNIT REMOVAL/INSTALLATION (AUTO A/C) .)
Connect the negative battery terminal.
Switch the ignition ON (engine off or on).
Connect the negative (-) lead of the tester to body ground.
Insert the positive (+) lead of the tester into each climate control unit terminal and 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 1T), replace the climate control unit. (See CLIMATE CONTROL UNIT REMOVAL/INSTALLATION (AUTO A/C) .)
- For terminal 1T, first try replacing the blower fan controller. (See BLOWER FAN CONTROLLER REMOVAL/INSTALLATION .) If there is still malfunction, replace the climate control unit. (See CLIMATE CONTROL UNIT REMOVAL/INSTALLATION (AUTO A/C) .)