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.
2002 Mazda 626 ES, AutomaticFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS LOCATION
| Component | Component Location |
|---|---|
| ABS Control Module | On left side of engine compartment. |
| ABS/TCS Control Module | On left side of engine compartment. |
| Central Processing Unit (CPU) | Behind left side of dash, below joint box. See Figure . |
| Cruise Control Module | On left front inner fender panel. |
| Door Lock Control Module No. 1 | Behind left side of dash, near joint box. See Figure . |
| Door Lock Control Module No. 2 | Behind left side of dash, near joint box. See Figure . |
| Flasher Control Module | Behind left side of dash. See Figure . |
| Immobilizer Unit | Behind left side of dash, near joint box. See Figure . |
| Keyless Control Module | In left front of trunk. |
| Powertrain Control Module (PCM) | Under center console. See Figure . |
| SAS Control Module | Under center of dash. See Figure . |
| Sun Roof Control Module | Above headliner, forward of sun roof opening. |
Factory Service Tools
Use the Manual With the Right Hardware
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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.