Mazda CX-5 Service & Repair Manual: Brake Fluid Pressure Sensor

Mazda CX-5 Service & Repair Manual / Brakes / General / Brake Fluid Pressure Sensor

Purpose/Function

The brake fluid pressure sensor detects the fluid pressure from the master cylinder and transmits it to the DSC HU/CM.

Construction

The brake fluid pressure sensor is built into the DSC HU/CM. Therefore if there is any malfunction of the brake fluid pressure sensor, replace the DSC HU/CM.

Fail-safe


DTC No.	Fail-safe function
C0044:01	Illuminates the TCS/DSC indicator light. Tire pressure monitoring system warning light illuminates after flashes. (Not illuminated/flashed depending on malfunction content.) Inhibits the TCS, DSC, roll over mitigation (ROM), brake assist control, hill launch assist (HLA), and TPMS* controls.
C0044:28	Illuminates the TCS/DSC indicator light. Tire pressure monitoring system warning light illuminates after flashes. Inhibits the TCS, DSC, roll over mitigation (ROM), brake assist control, hill launch assist (HLA), and TPMS controls.
C0044:54
C0044:64	Illuminates the TCS/DSC indicator light. Tire pressure monitoring system warning light illuminates after flashes. (Not illuminated/flashed depending on malfunction content.) Inhibits the TCS, DSC, roll over mitigation (ROM), brake assist control, hill launch assist (HLA), and TPMS controls.

* Enabled depending on malfunction content.

Brake Fluid Inspection

1. Verify that the brake fluid level in the brake fluid reserve tank is between the MAX and MIN marks. If the brake fluid level is below the MIN mark, add brake fluid. ...

Brake Fluid Pressure Sensor Inspection

1. Switch the ignition to off. 2. Remove the clips. 3. Set the splash shield out of the way. 4. Disconnect the brake pipe from the LF brake hose. 5. Remove the clip. 6. Remove the LF ...

Other materials:

Master Cylinder
Purpose/Function With the adoption of the master cylinder having an enlarged diameter (20.64 mm {0.8126 in}), brake pedal operability has been improved. For vehicles with DSC, the diameter of the pipe between the master cylinder and the DSC HU/CM has been increased, improving re ...

Push Button Start Removal/Installation
1. Disconnect the negative battery cable.. 2. Remove the meter hood.. 3. While pressing the push button start tab in the direction of the arrow (1) shown in the figure, push out the push button start in the direction of the arrow (2) shown in the figure to detach the push button start tab fr ...

Clock Spring Removal/Installation [Standard Deployment Control System]
CAUTION: If the disc on the combination switch is deformed or has foreign material adhering to it, performance of the steering angle sensor may be reduced, causing abnormal operation. When handling the clock spring, be careful not to deform the disc and make sure there is no foreign ...