18.104.22.168. Steering amplifier
The steering hydraulic booster functions only at the working engine. If the engine is switched off or the system of the steering hydraulic booster is faulty, you still can operate course movement of the car, however, it will demand big physical efforts.
If the effort on a steering wheel increased at car movement in normal conditions, address on service station of the official dealer of Mazda for check of system of a steering.
At the working engine it is forbidden to hold a steering wheel on an emphasis in extreme situation more long than 5 pages. The steering hydraulic booster can put it out of action.