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 MANUALSMAZDA1991929 BASEREPAIR AND DIAGNOSISELECTRICALCOMPONENT LOCATIONSELECTRICAL COMPONENT LOCATORCONTROL UNITS
1991 Mazda 929 Base
Control Units
1991 Mazda 929 BaseSECTION Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| Auto Adjust Suspension (AAS) Control Unit | In trunk, on right side. |
| ABS Control Unit | Behind right front kick panel. See Figure . |
| A/C Control Unit | Behind A/C control panel. See Figure . |
| Central Processing Unit (CPU) | Above passenger compartment fuse box. See Figure . |
| Cruise Control Unit | Behind left front kick panel. See Figure . |
| Electronic Transmission Control Unit | Behind glove box, next to ECU. See Figure . |
| Engine Control Unit (ECU) | Behind glove box. See Figure . |
| Knock Control Unit | In front of left shock tower, next to main relay box. See Figure . |
| Passive Shoulder Belt Control Unit | Center rear of trunk. |
| Power Steering Control Unit | Under left side of dash, near CPU. See Figure . |
| Theft Deterrent Control Unit | In CPU. |
RENDER: 1.0x
NO RELATED
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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.