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 MANUALSMAZDA1998626 LX L4-2.0L DOHCREPAIR AND DIAGNOSISACCESSORIES AND OPTIONAL EQUIPMENTANTITHEFT AND ALARM SYSTEMSKEYLESS ENTRYKEYLESS ENTRY MODULETESTING AND INSPECTION
1998 Mazda 626 LX L4-2.0L DOHC
Keyless Entry Module: Testing and Inspection
1998 Mazda 626 LX L4-2.0L DOHCSECTION Testing and Inspection
Terminal Voltage List (Reference)
1. Remove the rear package trim.
2. Measure the voltage at the keyless unit terminals as indicated.
3. Disconnect the keyless unit connector before checking for continuity at terminal B.
4. If not as specified, inspect the parts listed under "Inspection area" and the related wiring harnesses.
5. If the parts and wiring harnesses are okay but the system still does not work properly, replace the keyless unit.
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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.