CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during clearance warning ECU assembly removal/installation are shown below.
| Replaced Part or Performed Procedure | Necessary Procedure | Effect/Inoperative Function when Necessary Procedure not Performed | Link |
|---|---|---|---|
| Disconnect cable from negative battery terminal | Memorize steering angle neutral point | LKA/LDA System | |
| Intelligent clearance sonar system*1 | |||
| Pre-crash safety system | |||
| Lighting system (EXT)
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| Adaptive high beam system | |||
| Drive the vehicle until stop and start control is permitted (approximately 15 to 60 minutes) | Stop and start system | ||
| Memorize steering angle neutral point | Parking assist monitor system (w/ Parallel parking assist function) | ||
| Parking assist monitor system (w/o Parallel parking assist function) | |||
| Panoramic view monitor system | |||
| Initialize back door lock | Power door lock control system | ||
| Reset back door close position | Power back door system | ||
| Replacement of clearance warning ECU assembly (w/o Intelligent clearance sonar system) | Registration of bumper type | LEXUS parking assist-sensor system (w/o Intelligent clearance sonar system) | |
| Replacement of clearance warning ECU assembly (w/ Intelligent clearance sonar system) |
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*1: When performing learning using the GTS.
PROCEDURE
PRECAUTION
Note
After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.
DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
Note
When disconnecting the cable, some systems need to be initialized after the cable is reconnected.
REMOVE LOWER NO. 1 INSTRUMENT PANEL FINISH PANEL
REMOVE INSTRUMENT PANEL GARNISH LH
REMOVE FRONT DOOR SCUFF PLATE LH
REMOVE COWL SIDE TRIM BOARD LH
REMOVE NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY
REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY
REMOVE ECU INTEGRATION BOX LH
Disengage the claw.
Disconnect each connector.
Remove the bolt and 2 nuts and ECU integration box LH.
REMOVE CLEARANCE WARNING ECU ASSEMBLY
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Remove in this Direction |
Disengage the 2 claws and remove the clearance warning ECU assembly as shown in the illustration.