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.
2022 Infiniti QX55 EssentialFACTORY OEM SERVICE PROCEDURE
System Description: Notes
- The adoption of log-in function allows stored user-to-user settings to be called up through the recognition of the last user by the Intelligent Key.
- The log-in function identifies the driver through the use of the Intelligent Key and calls up driver-specific settings for items such as audio, navigation, seat position, and PERSONAL mode settings of the Infiniti Drive Mode Selector. Refer to System Description .
- BCM receives a key ID signal from the Intelligent Key and transmits the signal to chassis control module, and head up display unit, AV control unit, combination meter, A/C auto amp, driver seat control unit, ADAS control unit via CAN communication.
- Chassis control module transmits a key link signal to each unit via CAN communication.
- AV control unit transmits a user information signal to each unit via CAN communication and AV communication.
- Each unit calls up user information according to signals from BCM, chassis control module, and AV control unit.
- BCM saves/reads set values of vehicle settings.
- Driver seat control unit saves/reads set values such of driver seat position, steering position and outside mirror position.
- A/C auto amp. saves/reads set values of switch settings rear switch setting and A/C menu.
- Combination meter saves/reads set values of meter screen settings.
- ADAS control unit saves/reads set values of ON/OFF settings for each assist function.
- Chassis control module saves/reads settings of PERSONAL MODE characteristics of the Infiniti Drive Mode Selector.
- Audio unit saves/reads set values of sound, radio, music box, navigation system settings, voice recognition and audio source bar.
- Head up display unit saves/reads set values of head up display settings.
- The number of registerable Intelligent Keys interlocked with user settings is 4.
- The driver's Intelligent Keys can be identified in the following order: Used for opening/closing by remote control => located close to the driver's door => identified at an engine start.
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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