Mazda CX-5 Service & Repair Manual: Brake System/ABS Warning Light

Mazda CX-5 Service & Repair Manual / Brakes / Brake Control, Vehicle Dynamics / ABS / Brake System/ABS Warning Light

Purpose/Function

The brake system/ABS warning light is built into the instrument cluster. If a malfunction is detected in the system with the parking brake released, the warning light illuminates to notify the driver.

Construction/Operation

When the DSC system and CAN lines are functioning normally, the brake system/ABS warning light illuminates when the ignition is switched to ON to check for a burned-out bulb, and then turns off after approx. 3 s. At this time, while the parking brake is activated, the brake system warning light remains illuminated, however, it turns off after the parking brake is released.
The brake system/ABS warning light illuminates during a system malfunction, and the control is as follows:

ABS warning light illuminated:

ABS control disabled.

ABS warning light and brake system warning light illuminated:

ABS and EBD controls disabled.

Fail-safe

Function not equipped.

ABS Wheel Speed Sensor And ABS Sensor Rotor

Purpose/Function The ABS wheel-speed sensor and ABS sensor rotor detect the rotation condition of each wheel and transmit this information to the DSC HU/CM. The signal from the ABS w ...

Front ABS Wheel Speed Sensor Inspection

Sensor Output Value Inspection CAUTION: Resistance inspection using other testers may cause damage to the ABS wheel-speed sensor internal circuit. Be sure to use the M-MDS to inspect the A ...

Other materials:

Positive Crankcase Ventilation (PCV) Valve Inspection
Airflow Inspection 1. Disconnect the section (A) of ventilation hose shown in the figure. 2. Start the engine and verify that vacuum is applied to the end of the disconnected ventilation hose while the engine is idling. If vacuum is not applied to the ventilation hose, perform the p ...

Fresh Air Duct
Purpose, Function Conducts fresh air from outside the engine compartment. Increases air density by taking fresh air, which is cooler than the engine compartment, to enhance the charging efficiency, ensuring the combustion stability. Construction The fresh-air duct is i ...

Power Window System Preliminary Inspection [Power Window System]
Manual Open/Close Function Inspection STEP INSPECTION ACTION 1 Switch the ignition ON (engine off or on). Operate the power window using the manual open/close function on the power window main swit ...