Troubleshooting Procedure

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Climate Control Unit Troubleshooting Flowchart (Full-Auto Air Conditioner)

Courtesy of MAZDA MOTORS CORP.

*1: CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW.

*2: FLOWCHART [CLIMATE CONTROL UNIT (FULL-AUTO AIR CONDITIONER)].