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.
1999 Infiniti QX4FACTORY OEM SERVICE PROCEDURE
Multi-Remote Control System Antenna Check
- Turn ignition switch to LOCK position. Disconnect antenna feed cable from Smart Entrance Control Unit (SECU). Remove left rear pillar garnish and disconnect antenna feed cable from antenna. Check continuity in antenna feed cable between SECU and antenna. If continuity exists, go to next step. If continuity does not exist, replace antenna feed cable.
- Check continuity between ground and both ends for antenna feed cable. If continuity does not exist, go to next step. If continuity exists, replace antenna feed cable.
- Visually inspect antenna for damage. If damage does not exist, antenna is okay at this time. If damage exists, replace antenna.
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.
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