Outline
The PCM controls energization to the starter relay according to an immobilizer system request to improve security.
While not in P or N position, the starter relay energization by the ignition key is inhibited. (ATX)
While not in neutral, the starter relay energization by the push button start is inhibited. (MTX)
Block Diagram

Operation
The PCM establishes a ground to the starter circuit. Therefore when the ignition is switched to START, the starter relay is energized and the starter motor rotates. As a result, the engine starts normally.
The PCM does not establish a ground to the starter circuit. Therefore, even if the ignition switch is turned to the start position, the starter motor does not rotate because the starter relay does not energize, and the engine does not start.

The PCM turns the starter relay off with the engine speed at the set value or more (value from engine coolant temperature fluctuates).
Refrigerant Charging
Starter Disassembly/Assembly [Skyactiv G 2.0]Keyless Antenna [Keyless Entry System]
Purpose
Outputs a request signal and specifies the remote transmitter location.
Function
The keyless antennas output request signals based on the signals from the
start stop unit.
Construction, Operation
Request signals are output by the keyless antenna installed ...
Instrumentation/Driver Info. Personalization
A personalization function has been adopted which enables the instrument
cluster settings to be changed.
The Mazda Modular Diagnostic System (M-MDS) is required to perform the setting.
Refer to the Workshop Manual for the detailed setting procedure.
Instrument cluster
...
Tie Rod End Inspection
1. Inspect the tie-rod end for damage and the boot for cracks.
If there is any malfunction, replace the tie-rod end.
2. Inspect for excessive play.
If there is any malfunction, replace the tie-rod end.
3. Rotate the tie-rod end five times.
4. Install two nuts to the ba ...