1. Pass each wire through the following routes then connect to A/C unit. (Manual air conditioner)

2. Connect the climate control unit connectors. (Manual air conditioner)
3. Install the climate control unit to the center panel. (Full-auto air conditioner)
4. Install the center panel.
5. Adjust the climate control unit wires. (Manual air conditioner) (See CLIMATE CONTROL UNIT WIRE ADJUSTMENT.)
6. Connect the negative battery cable.
Climate control unit removal
Climate control unit disassembly/assemblyMazda 6 Service Manual: Service warnings
HANDLING REFRIGERANT
Avoid breathing air conditioning refrigerant or lubricant vapor.
Exposure may irritate eyes, nose and throat. Also, due to environmental
concerns, we urge use of recovery/recycling/recharging equipment when
draining R-134a from the air conditioning system. If accide ...
Mazda 6 Service Manual: Obd drive mode
Performing the Drive Mode inspects the OBD system for proper operation.
The Drive Mode must be performed to ensure that no additional DTCs are
present.
During Drive Mode, the following systems are inspected:
- Oxygen sensor (HO2S)
- Oxygen sensor heater
- Catalytic converter (TW ...