Brake Pedal Height Inspection
Verify that the distance from the carpet to the center of the upper surface of the pedal pad is as specified.
Pedal height (reference value)

Brake Pedal Height Adjustment
1. Loosen locknut B and turn the bolt A until it does not contact the pedal.

2. Loosen locknut D and turn rod C to adjust the height.
3. Tighten the bolt with locknut B.
Tightening torque 9.8-14.7 N·m
{100-149 kgf·cm, 116-130 in·lbf}
4. After adjustment, inspect the pedal play and the brake light operation.
Brake Pedal Play Inspection
1. Depress the pedal a few times to eliminate the vacuum in the system.
2. Remove the spring pin, verify that the holes in the fork and in the pedal are aligned, and reinstall the pin. (See BRAKE PEDAL REMOVAL/INSTALLATION.)
3. Gently depress the pedal by hand until resistance is felt, and check the pedal play.
Pedal play
0-3 mm {0-0.1 in}
Brake Pedal Play Adjustment
1. Remove the spring pin and clevis pin. (See BRAKE PEDAL REMOVAL/INSTALLATION.)
2. Loosen locknut D and turn rod C to align the holes in the fork and in the pedal.

3. Install the clevis pin and the spring pin.
4. Tighten locknut D.
Tightening torque 15.7-21.6 N·m
{1.61-2.20 kgf·m, 11.6-15.9 ft·lbf}
5. Check the pedal height and the brake light operation.
Pedal-to-floor Clearance Inspection
1. Start the engine and depress the brake pedal with a force of 588 N {60 kgf, 132 lbf}

2. Verify that the distance from the floor panel to the pedal pad center is as specified when the pedal is depressed.
Specification
68 mm {2.7 in} min.
Vacuum hose check valve inspection (power brake unit)
Brake switch inspectionMazda 6 Service Manual: Diagnostic assist function
Structural View
Switch location
LCD Inspection
1. With audio on, first press the POWER button, then simultaneously press the
SEEK button (upper) for approximately 1 second.
2. Inspect the LCD according to the following table:
3. Turn the audio off or the ignition switch to the LOCK posi ...
Mazda 6 Service Manual: Rear crossmember removal/installation
Caution
Performing the following procedures without first removing the ABS
wheel-speed sensor may possibly cause an open circuit in the harness if it
is pulled by mistake. Before performing the following procedures, remove the
ABS wheel-speed sensor (axle side) and fix it to an appropri ...