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.
1997 Infiniti J30 BaseFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS
| Component | Component Location |
|---|---|
| ABS Control Unit | Under center of rear package tray. |
| Air Bag Diagnosis Sensor Unit | Under console, behind parking brake lever. See Figure . |
| ASCD Control Unit | Behind left side of dash, near steering column. See Figure . |
| A/T Control Unit | Behind left kick panel. See Figure . |
| Auto Air Conditioner Amplifier | Behind center of dash. See Figure . |
| Daytime Lamp Control Unit (Canada) | Mounted on left front shock tower. See Figure . |
| Door Lock Control Unit | Behind left side of dash. See Figure . |
| ECM (ECCS Control Module) | Behind right kick panel. See Figure . |
| Fan Control Amplifier | Behind right side of dash. |
| Fuel Pump Control Module | On right side of luggage compartment. |
| Headlamp Control Relay Unit | Left rear corner of engine compartment. |
| Multi-Remote Control Unit | On left side of luggage compartment. |
| Power Seat Control Unit | Under driver's seat. See Figure . |
| Power Steering Control Unit | Behind left side of dash. See Figure . |
| Push Control Unit | Behind center of dash. |
| Receiver Control Unit | Behind right center of dash. |
| Shift Lock Control Unit | Behind left side of dash, right of steering column. See Figure . |
| Theft Warning Control Unit | Behind center of dash. See Figure . |
| Time Control Unit | Behind left kick panel. See Figure . |
Factory Service Tools
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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.