2023 Infiniti QX55 EssentialFACTORY OEM SERVICE PROCEDURE

Removal and Installation: Removal

  1. Disconnect negative battery terminal. Refer to Battery Disconnect .
  2. Remove passenger side fender protector. Refer to Removal and Installation .
  3. Disconnect steering angle sub control module connectors. Refer to Exploded ViewΒ .
  4. Remove the bolts of steering angle sub control module. Refer to Exploded ViewΒ .
  5. Remove the steering angle sub control module.
    CAUTION: When replacing control module, replace the following control modules as a set:
    • Steering force control module
    • Steering angle main control module
    • Steering angle sub control module
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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.