Mazda 6 Service Manual: No.4 abs or tcs*1 operates frequently/tcs does not work correctly*1: dsc system function contains traction control function, dsc indicator light goes on and off while dsc operates

No.3 there is a malfunction in the system even though abs warning light, brake system warning light, dsc indicator light and tcs-off light do not illuminate

No.5 dsc*2 operates frequently/dsc does not work correctly*2: dsc indicator light goes on and off while dsc operates

Other materials:

Mazda 6 Service Manual: Excessive Speed Warning
If the vehicle speed exceeds the speed limit sign displayed on the active driving display, the warning sound is activated and the area around the speed limit sign displayed on the active driving display flashes 3 times in amber, and if the vehicle speed continues to exceed the displayed speed ...

Mazda 6 Service Manual: Mass air flow (maf) sensor inspection
Voltage Inspection Note Perform the following inspection only when directed. 1. Visually inspect for the following on the MAF sensor. Damage Cracks Terminal bends Terminal rust - If any of the above are found, replace the MAF sensor. - If the MAF PID value is out of specifi ...