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.

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HOMESERVICE MANUALSMAZDA20105 SPORT, 2.3 L, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 37 (SHIFT INTERLOCK SYSTEMS)COMPONENT TESTSSHIFT LOCK RELAYMPV

2010 Mazda 5 Sport, 2.3 L, Standard

Shift Lock Relay: MPV

2010 Mazda 5 Sport, 2.3 L, StandardSECTION MPV

WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2002 Mazda Protege5, 2002 Mazda Protege, 2002 Mazda Millenia, 2002 Mazda MX-5 Miata, and 2002 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect shift lock relay harness connector. Relay is located under left side of instrument panel. See Fig 1 . Inspect voltage and continuity between shift lock relay terminals. See Fig 2 . Replace relay as needed.

Fig 1: Locating Shift Lock Relay (MPV)

Courtesy of MAZDA MOTORS CORP.

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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.