Mazda 6 Service Manual: 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.2 any of the following lights stay on: (abs warning light, brake system warning light, dsc indicator light and/or tcs-off light)

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

Other materials:

Mazda 6 Service Manual: To Turn Off an Armed System
An armed system can be turned off using any one of the following methods: Pressing the unlock button on the transmitter. Starting the engine with the push button start. (With the advanced keyless function) Pressing a request switch on the doors. The hazard warning lights will flash twic ...

Mazda 6 Service Manual: Crankshaft position (ckp) sensor inspection
Note Perform the following inspection only when directed. Resistance Inspection 1. Disconnect the CKP sensor connector. 2. Measure the resistance between CKP sensor terminals A and B using an ohmmeter. If not as specified, replace the CKP sensor. If CKP sensor resistance is okay, bu ...