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:
Oil Pressure Switch Inspection
1. Switch the ignition ON (engine off) and verify that the oil pressure warning
light is illuminated.
2. Start the engine and verify that the oil pressure warning light turns off.
If the oil pressure warning light is not illuminated or remains illuminated,
inspect the wiring harness ...
Purge Solenoid Valve Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the plug hole plate..
3. Remove the air cleaner and air hose as a single unit..
4. Disconnect the high pressure fuel pump connector.
5. Disconnect the harness clip as shown in the figure.
6. Remove in the order indicated in the table ...
Rain Sensor
Outline
The rain sensor detects the amount of rainfall and calculates the wiper operation
speed, and outputs a windshield wiper control signal to the front body control
module (FBCM) to perform automatic wiper operation (auto wiper system) according
to the amount of rainfall.
...
