Warning
1. Drain the engine coolant. (See COOLING SYSTEM SERVICE WARNINGS.)
2. Disconnect the ECT sensor connector.

3. Remove the ECT sensor.
4. Install in the reverse order of removal.
Tightening torque 10-14 N·m
{1.02-1.42 kgf·m, 7.38-10.32 ft·lbf}
5. Refill the engine coolant. (See COOLING SYSTEM SERVICE WARNINGS.)
Manifold absolute pressure (map) sensor inspection
Engine coolant temperature (ect) sensor inspectionMazda 6 Service Manual: Instrument cluster removal/installation
Caution
When replacing the instrument cluster, the configuration procedure must be
performed before removing the instrument cluster. If the configuration procedure
is not performed before removing the instrument cluster, it is possible that the
instrument cluster will not operate normally. ...
Mazda 6 Service Manual: Replacing Exterior Light Bulbs
Headlights (With LED headlights)
Low/High beam bulbs
The LED bulb cannot be replaced as a single unit because it is an integrated
unit.
The LED bulb has to be replaced with the unit. We recommend an Authorized Mazda
Dealer when the replacement is necessary.
Headlights (With halogen headlight ...