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Fig. 6: Testing ABS Control Module (3 Of 3) HYDRAULIC UNIT On-Vehicle Inspection 1. Ensure all diagnostic trouble codes have been cleared and battery is fully charged. See CLEARING CODES under DIAGNOSIS & TESTING. Turn ignition on and check if ABS warning light goes out 2. Turn ignition off. Ensure vehicle is on level surface. Raise and support vehicle. Place transmission in Neutral. Release parking brake. Rotate wheels by hand and check for brake drag. Connect a jumper wire 3. With brake pedal still depressed, turn ignition on. Brake should be momentarily released (about .5 second) and wheel should turn when pressure reduction operates. Check operation of remaining wheels 4. If all wheels operate as specified, the following systems are operating properly. Brake piping to hydraulic unit. Braking system, including hydraulic unit. Hydraulic unit electrical system (solenoid, pump motor, etc.)
1997 Mazda MX-5 Miata ANTI-LOCK BRAKE SYSTEM 1997 BRAKES Mazda - Anti-Lock
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