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.
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.
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: forMono Camera type: |
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) |
|||
Variable gear ratio steering system | |||
Parking assist monitor system | |||
Panoramic view monitor system | |||
Initialize Rear Door Sunshade System | Rear door sunshade system | ||
Initialize power trunk lid system | Power trunk lid system |
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.
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
REMOVE LUGGAGE COMPARTMENT MAT SUB-ASSEMBLY
REMOVE TOOL BOX
Remove the tool box.
DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL
Loosen the nut, and disconnect the cable from the negative (-) auxiliary battery terminal.
Note
When disconnecting the cable, some systems need to be initialized after the cable is reconnected.
REMOVE AUXILIARY BATTERY
Disengage the claw and disconnect the battery terminal cap.
Disconnect clamp spring assembly in this direction |
Disconnect the clamp spring assembly of the positive (+) battery terminal from the auxiliary battery.
Loosen the nut and disconnect the cable from the positive (+) auxiliary battery terminal.
Remove the 2 nuts and battery clamp sub-assembly.
Disconnect the battery exhaust hose from the auxiliary battery.
Remove the auxiliary battery.
Lift and pull in this direction | |
*a | Slope |
Lift up and pull the auxiliary battery along the slope to remove it as shown in the illustration.