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.
2023 Infiniti QX55 EssentialFACTORY OEM SERVICE PROCEDURE
Steering Force Control Module
- Calculates the optimum control variable for the steering force motor from the input values of force motor angle sensor and vehicle speed signal to controlling the steering force motor.
- Steering force control module changes steering reaction force based on the dive mode select signal from chassis control module.
- Performs the release and engagement control of the steering clutch.
- If a malfunction occurs in the system, the fail-safe function activates to perform state transition, and the power steering warning lamp in the combination meter illuminates.
- The malfunctioning portion is displayed by the electronic system diagnosis tester (CONSULT) according to the self-diagnosis function.
- Quickly switches the control after a malfunction occurs according to synchronous control using FlexRay communication.
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.