1. Measure the temperature around the water temperature sensor.
2. Measure the resistance between terminals of the water temperature sensor.

Water temperature sensor removal/installation
Refrigerant pressure switch removal/installationMazda 6 Service Manual: No.2 neither abs warning light nor brake system warning lightilluminate with
ignition switch on
When performing an asterisked (*) troubleshooting inspection, shake the
wiring harness and connectors while doing the inspection to discover whether
poor contact points are the cause of any intermittent malfunction. If there
is a problem, check to make sure connectors, terminals and ...
Mazda 6 Service Manual: Electric Parking Brake
The electric parking brake equipment applies the parking brake using an electric
motor. When the electric parking brake is applied, the electric parking brake switch
indicator light turns on.
WARNING
Do not drive the vehicle with the electric parking brake applied:
If the vehicle is driven ...