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:

Air Fuel Ratio (A/F) Sensor
Purpose/Function Detects the oxygen concentration (all-range air/fuel ratio) in the exhaust gas as basic information for mainly determining the fuel injection amount. Detects the oxygen concentration (all-range air/fuel ratio) in the exhaust gas and inputs it to the PCM as an ox ...

Rear Drive Shaft Inspection
1. Inspect each connecting part for looseness. Tighten or replace parts if necessary. 2. Inspect the dust boot on the drive shaft for cracks, damage, leaking grease, and looseness in the boot band. 3. Inspect the drive shaft for bends, cracks, and wear in the joints or ...

Fuel Pressure Sensor Inspection
Voltage Inspection NOTE: The fuel pressure sensor cannot be removed as a single unit. When replacing the fuel pressure sensor, replace it together with the fuel distributor as a single unit. 1. Connect the M-MDS to the DLC?2. 2. Switch the ignition ON (engine off or on). 3. ...