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.
1990 Infiniti M30FACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| A/T Control Unit | Behind left kick panel. See Figure & Figure . |
| Anti-Lock Brakes (ABS) Control Unit | Under rear package tray. See Figure . |
| Anti-Theft Warning Control Unit | Behind left kick panel. See Figure & Figure . |
| Automatic Speed Control Device (ASCD) Control Unit | Behind left rear trim panel. See Figure . |
| ECCS Control Unit | Behind right kick panel. See Figure . |
| Shift Lock Control Unit | Behind dash, left of steering column. See Figure . |
| Sonar Suspension Control Unit | Behind left rear trim panel. See Figure . |
| Supplemental Restraint System (SRS) Control Unit | Under console, behind parking brake lever. See Figure . |
| Supplemental Restraint System (SRS) Control Unit | Under console, behind parking brake lever. See Figure . |
| Time Control Unit | Behind left kick panel. See Figure . |
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.