Mazda CX-5 Service & Repair Manual: Brake System/ABS Warning Light
Purpose/Function
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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
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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.
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The brake system/ABS warning light illuminates during a system malfunction, and the control is as follows:
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ABS control disabled.
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ABS and EBD controls disabled.
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ABS warning light illuminated:
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ABS warning light and brake system warning light illuminated:
Fail-safe
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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:
Crash Zone Sensor [Standard Deployment Control System]
Purpose
The crash zone sensor detects an impact during a frontal or frontal offset
collision to the vehicle.
Function
The crash zone sensor converts the detected impact to an electrical signal.
Construction
The crash zone sensor is built into the clutch sensor.
...
Engine Tune Up
Engine Tune-up Preparation
NOTE:
If the accelerator pedal is depressed continuously for a specified time,
the engine speed may decrease to the idle speed. This is due to the fuel cut
control operation, which prevents overheating, and it does not indicate a malfunction.
The engine s ...
Precaution
Intermittent Concern Troubleshooting
Vibration method
If a malfunction occurs or becomes worse while driving on a rough road or
when the engine is vibrating, perform the following steps.
NOTE:
There are several reasons why vehicle or engine vibration could cause an
electr ...
