1. Disconnect the negative battery cable.
2. Remove the front bumper. (See FRONT BUMPER REMOVAL/INSTALLATION.)
3. Remove the headlight. (See FRONT COMBINATION LIGHT REMOVAL/INSTALLATION.)
4. Suport the radiator and the condenser using the wire.
5. Remove the bolt.
6. Remove the bumper reinforcement.

7. Install in the reverse order of removal.
Front bumper disassembly/assembly
Rear bumper removal/installationMazda 6 Service Manual: Three-way catalytic converter (twc) inspection
Note
Make sure that no HO2S DTCs have been detected. If detected, this
inspection is not applicable for TWC inspection.
1. Connect the WDS or equivalent and monitor PIDs as following.
Monitor the right TWC using O2S11 PID for upstream HO2S and O2S12 PID
for downstream HO2S.
2. Be ...
Mazda 6 Service Manual: Operational Range
The system operates only when the driver is in the vehicle or within operational
range while the key is being carried.
Starting the Engine
NOTE
Starting the engine may be possible even if the key is outside of the
vehicle and extremely close to a door and window, however, always start the ...