Brake Fluid Pressure Sensor Inspection

49 U043 004A Oil pressure gauge (Part of 49 U043 0A0A)	Courtesy of MAZDA MOTORS CORP.	49 U043 005 Joint (Part of 49 U043 0A0A)	Courtesy of MAZDA MOTORS CORP.	49 U043 006 Hose (Part of 49 U043 0A0A)	Courtesy of MAZDA MOTORS CORP.
49 U043 0A0A Oil pressure gauge set	Courtesy of MAZDA MOTORS CORP.	-		-

Switch the ignition off.
Remove the wheel and tire. (See WHEEL AND TIRE REMOVAL/INSTALLATION .)
Disconnect the brake pipe from the brake hose.

Courtesy of MAZDA MOTORS CORP.
Remove the clip.
Remove the brake hose from the bracket.
Install the SSTs to the brake pipe as shown in the figure below.

Courtesy of MAZDA MOTORS CORP.
Bleed the brake line and the SSTs of air. Bleed the air form the SSTs using bleeder screw A.
Connect the M-MDS to the DLC-2.
Select the "BRK_FLD_PRES" PID. (See PID/DATA MONITOR INSPECTION .)
Start the engine.
Depress the brake pedal, and confirm that the fluid pressure value of the SST (gauge) and the value shown on the M-MDS are equal
- If the fluid pressures are different, replace the DSC HU/Control Module. (See DSC HU/Control Module REMOVAL/INSTALLATION .)
After the inspection, remove the SSTs, install the brake hose, clamp, and brake pipe to the original positions, and then bleed the air from the brake line. (See FRONT BRAKE HOSE REMOVAL/INSTALLATION .) (See BRAKE FLUID AIR BLEEDING .)