Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1995 Mazda 929FACTORY OEM SERVICE PROCEDURE
Pump Motor
- Turn ignition off. Disconnect ABS Control Module (ABS CM) connector. See COMPONENT LOCATIONS . Connect Adapter Harness (49-F066-002) to ABS CM connector. Using ohmmeter, measure resistance between terminal "X" of ABS CM connector and ground. See Figure . Resistance should not be more than one ohm. If resistance is not as specified, check wiring harness between ABS CM and pump motor. See WIRING DIAGRAMS . If wiring harness is okay, go to next step.
- Turn ignition off. Disconnect pump motor/hydraulic unit 2-pin connector. Using ohmmeter, measure resistance between terminal "B" of pump motor/hydraulic unit connector and ground. See Fig 1 . Resistance should not be more than one ohm. Apply 12 volts across pump motor/hydraulic unit 2-pin connector terminals. Pump motor should operate. If resistance is not as specified or pump motor does not operate, check wiring harness. If wiring harness is okay, replace hydraulic unit.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.