3. Turn ignition off. Disconnect ABS CM connector. Measure voltage between terminals "A" and AB of
ABS CM harness connector. See Fig. 3
. Also, measure voltage between terminals "A" and AC of ABS
CM ha rness connector, and between terminals "A" and AM of ABS CM harness connector. If battery
voltage is present, go to next step. If battery voltage is not present, repair wiring harness.
4. Turn ignition off. Reconnect ABS CM connector. Drive vehicle and recheck ABS warning light. If ABS
warning light illuminates/goes out with vehicle stopped and during driving, replace ABS CM. If ABS
warning light does not illuminate/go out with vehicle stopped and during driving, a temporary poor
contact in wiring may have occurred and ABS is now functioning properly.
ABS WARNING LIGHT INDICATES NORMAL, BUT ABS DOES NOT OPERATE PROPERLY
Check for ABS DTCs. See RETRIEVING DIAGNOSTIC TROUBLE CODES
under DIAGNOSIS &
TESTING. If no DTCs are present, inspect mechanical system.
PRE-DIAGNOSIS INSPECTION
Visually inspect ABS components for possible cause of anti-lock problem. Visual inspection may help identify
cause of a simple malfunction. Ensure ABS warning light is functioning properly. See TROUBLE
SHOOTING .
ABS warning light illuminates under the following conditions:
Vehicle operated on snow or ice with parking brake activated, or a dragging brake at one wheel.
Different size tires being used.
Tires with different traction characteristics are used on same axle.
Vehicle is jacked up and drive wheels spin for 20 seconds or more with ignition on.
Low battery voltage.
If ABS warning light illuminates because of these conditions, turn ignition off, then back on. ABS warning light
will go out and no DTCs for described conditions will be stored in ABS control module memory.
DIAGNOSIS & TESTING
Diagnose ABS using New Generation Star (NGS) Tool (49-T088-0A0) and Adapter Harness (49-F066-002).
See RETRIEVING DIAGNOSTIC TROUBLE CODES
. On all models, test ABS control module using
DVOM and adapter harness. See ABS CONTROL MODULE under COMPONENT TESTING
.
If ABS test equipment is unavailable, test each component of ABS. See COMPONENT TESTING
. If all
ABS components test okay, replace ABS control module with a known-good module and retest system.
RETRIEVING DIAGNOSTIC TROUBLE CODES
Using New Generation Star (NGS) Tool
1. Turn ignition off. Connect New Generation Star (NGS) Tool (49-T088-0A0) to Data Link Connector
1997 Mazda MX-5 Miata
ANTI-LOCK BRAKE SYSTEM 1997 BRAKES Mazda - Anti-Lock
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Fig. 10: Removing Front Rotor (B2300, B3000 & B4000 With Manual Locking Hubs)
Courtesy of FORD MOTOR CO.
Removal & Installation (Except B2300, B3000 & B4000)
1. Raise and support front of vehicle. Remove front wheel assemblies. Remove front disc brake caliper with
brake hose connected. See FRONT DISC BRAKE CALIPER
. Wire caliper aside. Remove rotor-to-hub
screws (if equipped). Remove rotor.
2. Machine rotor if lateral runout exceeds specification. Replace rotor if measured thickness is less than
specified minimum thickness. See DISC BRAKE SPECIFICATIONS
. To install, reverse removal
procedure.
REAR DISC BRAKE PADS
Removal & Installation (Miata & Protege)
1. Raise and support rear of vehicle. Remove rear wheel assemblies. Remove manual adjustment gear
concealment plug from caliper. See Fig. 11
. Insert an appropriate size Allen wrench through hole and
turn manual adjustment gear counterclockwise to retract caliper piston.
2. Remove lower guide bolt from caliper. Rotate caliper upward and wire side. Remove "M" spring.
Remove pads, shims and guide plates. Replace pad if lining thickness is less than .04" (1.0 mm). To
install, reverse removal procedure. Turn manual adjustment gear clockwise until brake pads slightly touch
rotor. Turn manual ad
justment gear back 1/3 turn.
1997 Mazda MX-5 Miata
BRAKE SYSTEM 1995-97 BRAKES Mazda - Disc & Drum
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Fig. 13: Exploded View Of Rear Disc Brake Assembly (MX-3)
Courtesy of MAZDA MOTORS CORP.
Removal & Installation (MX-6 & 626)
1. Raise and support rear of vehicle. Remove rear wheel assemblies. Release parking brake and disconnect
parking brake cable from caliper. Remove manual adjustment gear concealment plug from caliper. See
Fig. 11
. Insert an appropriate size Allen wrench through hole and turn manual adjustment gear
counterclockwise to retract caliper piston.
2. Remove upper guide bolt from caliper. Rotate caliper downward and support using wire. Remove "M"
springs. Remove pads, shims and guide plates. Replace pad if lining thickness is less than .04" (1.0 mm).
3. To install, reverse removal procedure. Turn manual adjustment gear clockwise until brake pads slightly
touch rotor. Turn manual ad
justment gear back 1/3 turn.
1997 Mazda MX-5 Miata
BRAKE SYSTEM 1995-97 BRAKES Mazda - Disc & Drum
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Removal & Installation (RX7)
1. Raise and support rear of vehicle. Remove rear wheel assemblies. Remove lower guide bolt from caliper.
Rotate caliper upward and support using wire. Remove "V" spring. Remove pads, shims and guide plates.
Replace pad if lining thickness is less than .04" (1.0 mm).
2. To install, reverse removal procedure. Use Disc Brake Piston Wrench (49-FA18-602) to rotate piston
clockwise to install disc pads. Ensure grooves in piston are aligned. See Fig. 14
.
Fig. 14: Aligning Brake Caliper Piston (RX7)
Courtesy of MAZDA MOTORS CORP.
REAR BRAKE CALIPER
Removal & Installation (Miata, MPV, MX-6, Protege, RX7, 626 & 929)
1. Raise and support rear of vehicle. Remove rear wheel assemblies. On all models except MPV and 929,
release parking brake and disconnect parking brake cable from caliper. On all models, disconnect brake
hose from caliper.
2. On Miata, MX-6, Protege and 626, remove manual adjustment gear concealment plug from caliper. See
Fig. 11
. Insert an appropriate size Allen wrench through hole and turn manual adjustment gear
counterclockwise to retract caliper piston.
3. On all models, remove guide bolts from caliper. Remove brake caliper from caliper mount. To install,
reverse removal procedure. Bleed air from system.
Removal & Installation (Millenia)
1. Raise and support rear of vehicle. Remove rear wheel assemblies. Disconnect brake flexhose from
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BRAKE SYSTEM 1995-97 BRAKES Mazda - Disc & Drum
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water when cleaning the horn pad. Solvents or cleaners could adversely affect the air bag cover and cause
improper deployment of the system.
AIR CONDITIONING SERVICING
ANTI-LOCK BRAKE SYSTEM
On models equipped with anti-lock brake systems, ALWAYS observe the following cautions:
DO NOT attempt to bleed hydraulic system without first referring to the appropriate ANTI-LOCK
BRAKE SYSTEM article in the BRAKES Section.
DO NOT mix tire sizes. As long as tires remain close to the original diameter, increasing the width is
acceptable. Rolling diameter must be identical for all 4 tires. Some manufacturers recommend tires of the
same brand, style and type. Failure to follow this precaution may cause inaccurate wheel speed readings.
Use ONLY recommended brake fluids. DO NOT use silicone brake fluids in an ABS-equipped vehicle.
BATTERY WARNING WARNING:To avoid injury from accidental air bag deployment, read and carefully
follow all warnings and service precautions. See appropriate AIR BAG
RESTRAINT SYSTEM article in ACCESSORIES/SAFETY EQUIPMENT.
CAUTION: Disconnect negative battery cable before servicing any air bag system,
steering column or passenger side dash component. After any repair, turn
ignition key to the ON position from passenger's side of vehicle in case of
accidental air bag inflation
CAUTION: Avoid breathing R-134a refrigerant and PAG lubricant vapors, exposure
may irritate eyes, nose and throat. To remove R-134a from system use R-
134a recycling equipment that meets SAE J2210 specifications. If
accidental system discharge occurs, ventilate work area before resuming
service.
WARNING:R-134a service equipment or vehicle A/C systems SHOULD NOT be
pressure tested or leak tested with compressed air. Some mixtures of
air/R134a have shown to be combustible at elevated pressures. These
mixtures are dangerous and may cause fire and/or explosions. See AIR
CONDITIONING SERVICE article in GENERAL INFORMATION section.
CAUTION: The anti-lock brake system contains electronic equipment that can be
susceptible to interference caused by improperly installed or high output
radio transmitting equipment. Since this interference could cause the
possible loss of the anti-lock braking capability, such equipment should
be installed by qualified professionals.
1997 Mazda MX-5 Miata
MAINTENANCE INFORMATION 1997 MAINTENANCE Mazda Maintenance Information
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