2012 Lexus LS 460L AWDFACTORY OEM SERVICE PROCEDURE

Inspection Procedure

NOTE:
  • w/ Navigation System (for HDD):

    After the engine switch is turned off, the display and navigation module display (HDD navigation system) records various types of memory and settings. As a result, after turning the engine switch off, be sure to wait for the time specified in the following table before disconnecting the cable from the negative (-) battery terminal.

    Waiting Time before Disconnecting Cable from Negative (-) Battery Terminal

    Condition Waiting Time
    Vehicle enrolled in safety connect system 6 minutes
    Vehicle not enrolled in safety connect system 1 minute
  • When disconnecting the cable, some systems need to be initialized after the cable is reconnected. Refer to INITIALIZATION .

HINT:Β 

  • If troubleshooting (wire harness inspection) is difficult to perform, remove the front passenger seat installation bolts to see the undersurface of the seat cushion.
  • In the above case, hold the seat so that it does not fall down. Holding the seat for a long period of time may cause a problem, such as seat rail deformation. Hold the seat only as necessary.
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.

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