AUXILIARY BATTERY REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during auxiliary battery removal/installation are shown below.

Note


  • After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.

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  • When replacing the auxiliary battery, use a new auxiliary battery of the same dimensions and same capacity or more from the same class at a 20-hour rate.

  • After replacing the auxiliary battery, install the ventilation hole plug supplied with the new auxiliary battery or the ventilation hole plug from the old auxiliary battery to the ventilation hole on the side to which the battery hose is not connected.

Necessary Procedure After Parts Removed/Installed/Replaced
Replacement Part or Procedure Necessary Procedure Effect/Inoperative Function when Necessary Procedure not Performed Link
Auxiliary battery terminal is disconnected/reconnected Memorize steering angle neutral point LKA/LDA system (for Mono camera type)

for Stereo Camera type:

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forMono Camera type:

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Lane control system (for Stereo camera type)
Parking support brake system*
Pre-collision system (for Mono camera type)
Pre-collision system (for Stereo camera type)
Adaptive high beam system

    Lighting system (EXT)

  • Cornering lights
Variable gear ratio steering system

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Parking assist monitor system

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Panoramic view monitor system

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Initialize Rear Door Sunshade System Rear door sunshade system

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Initialize power trunk lid system Power trunk lid system

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*: When performing learning using the GTS.
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Note

After the power switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the power switch off, be sure to wait for the time specified in the following table before disconnecting the cable from the negative (-) auxiliary battery terminal.

Waiting Time before Disconnecting Cable from Negative (-) Auxiliary Battery Terminal
System Name See Procedure
Vehicle enrolled in lexus enform system or safety connect system 6 minutes
Vehicle not enrolled in lexus enform system and safety connect system 1 minute

PROCEDURE


  1. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

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  2. REMOVE AUXILIARY BATTERY

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