WHEN REMOVING,INSTALLING,REPAIRING OR REPLACING PARTS PROCEDURES NECESSARY WHEN BATTERY TERMINAL IS DISCONNECTED / RECONNECTED

Refer to the LEXUS Repair Manual for each work procedure.

1. PROCEDURES NECESSARY WHEN BATTERY TERMINAL IS DISCONNECTED/RECONNECTED

   Necessary Procedures	Effect/Inoperative Function When Necessary Procedures are not Performed
   Steering sensor zero point calibration	Variable gear ratio steering system
   Memorize steering angle neutral point	Parking assist monitor system
   Servo motor initialization	Air conditioning system

   Note

   After the engine switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 60 seconds (w/ Parking Assist Monitor System) or 90 seconds (w/o Parking Assist Monitor System) before disconnecting the cable from the negative (-) battery terminal.