Mazda 3 electronic control system (PCM)
The automatic transmission PCM is integrated with the engine control unit.
The vehicle's PCM outputs a control signal to the engine and transmission according to the signals from all sensors and/or switches
In the rear suspension (Fig. 1) assemblies of struts and leaf springs are used
Design and operation of the Mazda 3 transmission mechanism
The transmission mechanism (Fig. 1) consists of three pairs of clutches, a brake, a band brake, a one-way clutch and two pairs of single planetary gears
Replacing the accessory drive belt Mazda 3
Check the position of the automatic drive belt tensioner indicator mark (fig. 1)
If the position of the mark is not correct, the drive belt must be replaced.
Removing the power steering pump with a 1.6 engine
Preparing the car for the task
A simple test of the rear shock absorber
It is necessary to check the performance of shock absorbers immediately after a long trip, while the working fluid in the shock absorbers has not cooled down
During emergency braking, the DSC HU/CM increases the brake fluid pressure by increasing the pressure in the master cylinder, so more braking power is obtained with less brake pedal pressure
Mazda 3 Dynamic Stability Control DSC HU/CM
Using a compact and lightweight ruggedized DSC HU/CM integrated unit
Checking Mazda 3 brake pedal height
Check that the distance from the floor mat to the center of the top surface of the pedal support pad is correct.
Pedal height (reference value)
Removing and installing selector lever Mazda 3
The mechanism for shifting an automatic transmission is shown in fig. 1
Adjusting the Mazda 3 automatic transmission range switch
Disconnect the cable from the negative battery terminal.
Remove the nut and disconnect the transmission control cable (fig. 1).