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 MANUALSMAZDA1999626 ES, 2.5 D, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 63 (ENGINE CONTROLS [SYSTEM & COMPONENT TESTING])ENGINE SENSORS & SWITCHESTRANSAXLE/TRANSMISSION RANGE SWITCH

1999 Mazda 626 ES, 2.5 D, Standard

Transaxle/Transmission Range Switch

1999 Mazda 626 ES, 2.5 D, StandardSECTION Transaxle/Transmission Range Switch

WARNING: This page is about a different car, the 2003 Mazda Protege5, 2003 Mazda Protege, 2003 Mazda MX-5 Miata, 2003 Mazda MPV, and 2003 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Check for starter operation with ignition switch in START position and shift lever in "P" and "N" position only. Ensure back-up lights illuminate with ignition in "ON" position and selector lever in "R" position.
To test switch, disconnect Transaxle/Transmission Range (TR) switch harness connector. Check for continuity between specified terminals at TR switch. See Fig 1, Fig 2, Fig 3, Fig 4, Fig 5 or Fig 6 . If continuity is not as specified, replace TR switch. On Mazda6 2.3L only, if TR switch is okay, go to next step.
Recheck TR switch resistance. Measure resistance between TR switch terminals "B" and "C". See Fig 1. If resistance readings are not as specified, replace TR switch.

Fig 1: Checking Transaxle Range Switch (MAZDA6 2.3L)

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.