1991 MAZDA MIATA Factory Service Manual

Fig. 21: 6B. Dynamic Wheel Sensor Test (1 of 2)
Courtesy of MAZDA MOTORS CORP.

1991 Mazda MX-5 Miata
ANTI-LOCK BRAKE SYSTEM 1988-91 BRAKES Mazda Anti-Lock Brake System
Microsoft
Sunday, July 05, 2009 2:17:32 PMPage 25 © 2005 Mitchell Repair Information Company, LLC.

Fig. 22: 6B. Dynamic Wheel Sensor Test (2 of 2)
Courtesy of MAZDA MOTORS CORP.
6C. SOLENOID TEST

1991 Mazda MX-5 Miata
ANTI-LOCK BRAKE SYSTEM 1988-91 BRAKES Mazda Anti-Lock Brake System
Microsoft
Sunday, July 05, 2009 2:17:32 PMPage 26 © 2005 Mitchell Repair Information Company, LLC.

Fig. 23: 6C. Solenoid Test (1 of 4)
Courtesy of MAZDA MOTORS CORP.

1991 Mazda MX-5 Miata
ANTI-LOCK BRAKE SYSTEM 1988-91 BRAKES Mazda Anti-Lock Brake System
Microsoft
Sunday, July 05, 2009 2:17:32 PMPage 27 © 2005 Mitchell Repair Information Company, LLC.

Fig. 24: 6C. Solenoid Test (2 of 4)
Courtesy of MAZDA MOTORS CORP.

1991 Mazda MX-5 Miata
ANTI-LOCK BRAKE SYSTEM 1988-91 BRAKES Mazda Anti-Lock Brake System
Microsoft
Sunday, July 05, 2009 2:17:32 PMPage 28 © 2005 Mitchell Repair Information Company, LLC.

Fig. 25: 6C. Solenoid Test (3 of 4)
Courtesy of MAZDA MOTORS CORP.

1991 Mazda MX-5 Miata
ANTI-LOCK BRAKE SYSTEM 1988-91 BRAKES Mazda Anti-Lock Brake System
Microsoft
Sunday, July 05, 2009 2:17:32 PMPage 29 © 2005 Mitchell Repair Information Company, LLC.

Fig. 26: 6C. Solenoid Test (4 of 4)

1991 Mazda MX-5 Miata
ANTI-LOCK BRAKE SYSTEM 1988-91 BRAKES Mazda Anti-Lock Brake System
Microsoft
Sunday, July 05, 2009 2:17:32 PMPage 30 © 2005 Mitchell Repair Information Company, LLC.

Courtesy of MAZDA MOTORS CORP.
ADJUSTMENTS
PEDAL FREE PLAY
Depress pedal several times to release vacuum. Pedal free play should be .16-.28" (4-7 mm).
PEDAL HEIGHT & STOPLIGHT SWITCH
1. Released pedal height is measured from carpet surface on vertical portion of firewall to pedal pad center.
Disconnect stoplight switch. Move switch away from pedal. Adjust brake pedal push rod until correct
released pedal height is obtained. See BRAKE PEDAL HEIGHT SPECIFICATIONS TABLE.
2. Adjust pedal free play. See PEDAL FREE PLAY under ADJUSTMENTS. Tighten push rod lock nut.
Rotate stoplight switch until it contacts pedal, then rotate an additional 1/2 turn. Tighten stoplight switch
lock nut. Reconnect stoplight switch.
3. The applied pedal height is measured from angled portion of firewall (without carpet) to pedal pad center.
Start engine. Depress brake pedal with 132-lb. (60 kg) pressure.
4. Measure the applied pedal height. If distance is not as specified, check brake adjustment, or check for air
in system. See BRAKE PEDAL HEIGHT SPECIFICATIONS TABLE.
BRAKE PEDAL HEIGHT SPECIFICATIONS
TORQUE SPECIFICATIONS
TORQUE SPECIFICATIONS
Application(1) In. (mm)
Pedal Released
Miata & 9296.7-7.1 (171-181)
RX77.2-7.4 (184-189)
Pedal Applied
Miata & 9293.7 (95)
RX73.9 (100)
(1)Minimum height.
ApplicationFt. Lbs. (N.m)
Brake Caliper Mounting Bolts
Miata36-51 (49-69)
RX7
Front58-72 (79-98)
Rear33-40 (45-54)
929
Front61-69 (83-94)

1991 Mazda MX-5 Miata
ANTI-LOCK BRAKE SYSTEM 1988-91 BRAKES Mazda Anti-Lock Brake System
Microsoft
Sunday, July 05, 2009 2:17:32 PMPage 31 © 2005 Mitchell Repair Information Company, LLC.

WIRING DIAGRAMS
Rear12-17 (16-23)
Brake Line Nuts10-16 (14-22)
Hydraulic Unit Mounting Nuts
Miata & 92914-19 (19-26)
RX712-21 (16-28)
Speed Sensor Bolt12-17 (16-23)
Union Bolt14-22 (19-30)
Wheel Bearing Nut (1)
Miata
Front123-159 (167-216)
Rear159-217 (216-294)
RX7
Front(1) 14-22 (19-30)
Rear174-231 (235-314)
929
Front72-130 (98-176)
Rear174-231 (235-314)
(1)Tighten and loosen 2 or 3 times to seat bearing.

1991 Mazda MX-5 Miata
ANTI-LOCK BRAKE SYSTEM 1988-91 BRAKES Mazda Anti-Lock Brake System
Microsoft
Sunday, July 05, 2009 2:17:32 PMPage 32 © 2005 Mitchell Repair Information Company, LLC.