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
Shift Lock Solenoid (MPV)
NOTE:
Shift lock solenoid is also known as shift lock solenoid
valve.
- Remove steering column covers. Turn ignition on. Measure voltage between Orange wire and ground. See Fig 1. With gear selector in Park and brake pedal depressed, battery voltage should be present. If voltage is present, go to next step. If no voltage is present, check shift lock solenoid and related circuits.
- Release brake pedal. Voltage should be less than 1.5 volts. With gear selector in any other gear position, voltage should be less than 1.5 volts. If voltage is not as described, check inhibitor switch, brakelight circuit or Central Processing Unit (CPU).
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.
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