Mazda 6 Service Manual: 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.1 any of the following lights do not illuminate with ignition switch on: (abs warning light, brake system warning light, dsc indicator light and/or tcs-off light)

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

Other materials:

Mazda 6 Service Manual: Dsc on-board diagnosis
On-Board Diagnostic (OBD) Test Description (See ABS (ABS/TCS) ON-BOARD DIAGNOSIS) DTC Table PID/DATA Monitor Table Active Command Modes Table ...

Mazda 6 Service Manual: Vehicle speedometer sensor removal/installation
Without ABS 1. Disconnect the negative battery cable. 2. Remove the battery and battery tray. 3. Remove the air cleaner compornent. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.) 4. Disconnect the vehicle speedometer sensor connector. 5. Remove the vehicle speedometer sensor. 6. Apply transmi ...