Climate Control Unit Inspection: Notes

WARNING: This page is about a different car, the 2002 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.

Slide out the climate control unit with the connectors still connected. (See CLIMATE CONTROL UNIT REMOVAL/INSTALLATION .)
Measure the voltage at each climate control unit terminal and refer to the terminal voltage list.
Disconnect the climate control unit connector before checking for continuity at terminal 2B and 2J.
- If not as specified, inspect the parts listed under "Inspection area" and the related wiring harnesses as shown in Figure and/or Figure .
- If the parts and wiring harnesses are okay but the system still does not work properly, replace the climate control unit.