PROCEDURES NECESSARY WHEN AUXILIARY BATTERY TERMINAL IS DISCONNECTED/RECONNECTED
| Necessary Procedures | Effect/Inoperative Function When Necessary Procedures are not Performed | Link |
|---|---|---|
| Memorize steering angle neutral point | Lane departure alert system (w/ Steering Control) | |
| Pre-collision system | ||
| Intelligent clearance sonar system*1 | ||
| Adaptive High Beam System | ||
| Parking assist monitor system | ||
| Panoramic view monitor system | ||
w/ Power Back Door: |
Power back door function | |
w/o Power Back Door: |
Power door lock control system |
*1: When performing learning using the GTS.
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 telematics system (w/ Telematics Transceiver for G-BOOK) | 6 minutes |
| Vehicle not enrolled in telematics system (w/ Telematics Transceiver for G-BOOK) | 1 minute |
PROCEDURES NECESSARY WHEN ECU OR OTHER PARTS ARE REPLACED
| Replacement Part | Necessary Procedure | Effect / Inoperative Function when Necessary Procedures are not Performed | Link |
|---|---|---|---|
| ECM | Vehicle Identification Number (VIN) registration | MIL comes on | for 2AR-FXE, w/ EGR System: for 2AR-FXE, w/o EGR System: for 2AR-FXE, w/ Canister Pump Module: |
|
Inspection after repair | Poor idle, engine start, etc. | for 2AR-FXE, w/ EGR System: for 2AR-FXE, w/o EGR System: for 2AR-FXE, w/ Canister Pump Module: |
| Service plug grip | Perform high voltage fuse accumulated load history reset | Perform high voltage fuse accumulated load history reset | |
|
Adjust forward recognition camera |
|
|
| Millimeter wave radar sensor assembly | Adjust millimeter wave radar sensor assembly |
|
|
| Absorber control ECU | Perform registration of vehicle identification information |
|
|
|
|
|
for Registration: for Initialization: |
|
|
|
|
| Brake booster with master cylinder assembly | Perform initialization and calibration of the linear solenoid valve | ||
| Skid control ECU (Brake booster with master cylinder assembly) |
|
||
| Yaw rate and acceleration sensor (Airbag ECU assembly) |
|
||
| Parking brake ECU assembly | Operate the electric parking brake switch (integration control and panel assembly) | Parking brake indicator light (red) blinks when the power switch is first turned on (IG). | |
|
Perform torque sensor zero point calibration |
|
for Manual Tilt and Manual Telescopic Steering Column: for Power Tilt and Power Telescopic Steering Column: |
| Power steering ECU assembly | Assist map writing |
|
for Manual Tilt and Manual Telescopic Steering Column: for Power Tilt and Power Telescopic Steering Column: |
| Navigation ECU |
for G-BOOK: |
G-BOOK function | |
for G-BOOK: |
|||
| Radio receiver assembly |
for G-BOOK: |
G-BOOK function | |
| Telematics transceiver |
for G-BOOK: |
G-BOOK function | |
except G-BOOK: |
Emergency call service | ||
| Telematics mobile phone battery | Reset mobilephone battery condition | ||
| Front bumper assembly |
w/ Intelligent Clearance Sonar System: |
|
|
w/ Panoramic View Monitor System: |
Panoramic view monitor system | ||
w/ Intelligent Clearance Sonar System: |
|
|
|
| Clearance warning ECU assembly |
w/ Intelligent Clearance Sonar System: |
|
|
w/ LEXUS Parking Assist-Sensor System (w/o Intelligent Clearance Sonar System): |
LEXUS parking assist-sensor system (w/o Intelligent Clearance Sonar System) | ||
w/ LEXUS Parking Assist-Sensor System (w/o Intelligent Clearance Sonar System): |
Initialization of ultrasonic sensors (front left sensor, front left center sensor, front right center sensor, front right sensor) | LEXUS parking assist-sensor system (w/o Intelligent Clearance Sonar System) | |
w/ LEXUS Parking Assist-Sensor System (w/o Intelligent Clearance Sonar System): |
Initialization of ultrasonic sensors (rear left sensor, rear left center sensor, rear right center sensor, rear right sensor) | ||
| Spiral with sensor cable sub-assembly |
w/ Parking Assist Monitor System: |
Parking assist monitor system | for Calibration: for Initialization: |
w/ Panoramic View Monitor System: |
Panoramic view monitor system | for Calibration: for Initialization: |
|
w/ Intelligent Clearance Sonar System: |
Intelligent clearance sonar system | ||
w/ Panoramic View Monitor System: |
|
Panoramic view monitor system | |
| Rear television camera assembly |
w/ Parking Assist Monitor System: |
Parking assist monitor system | |
w/ Panoramic View Monitor System: |
Panoramic view monitor system | ||
w/ Panoramic View Monitor System: |
Side television camera view adjustment | Panoramic view monitor system | |
w/ Panoramic View Monitor System: |
Front television camera view adjustment | ||
w/ Panoramic View Monitor System: |
Side television camera view adjustment | ||
w/ Panoramic View Monitor System: |
Side television camera view adjustment | ||
w/ Panoramic View Monitor System: |
Television camera view adjustment | ||
| Blind spot monitor sensor | Blind Spot Monitor Beam Axis Adjustment |
|
|
|
Code registration (Immobiliser system) |
|
See the Service Bulletin for the registration method. |
w/ Occupant Classification System |
|
|
|
|
Initialization servo motor (Air conditioning system) | DTCs are output | |
w/ Roof Sunshade System: |
Initialization (pulse sensor initial position setting) |
|
|
|
Initialize power window control system |
|
|
w/ Sliding Roof System: |
Initialize sliding roof system |
|
|
w/ Power Back Door System: |
Initialize power back door system | Power back door system | |
w/ Power Back Door System: |
Reset connection history | There are cases where the connection history display differs from the vehicle condition | |
| Headlight ECU sub-assembly LH |
|
|
|
| Work that changes the vehicle height such as replacement or removal/installation of the rear height control sensor sub-assembly LH or replacement of suspension components | Perform headlight ECU sub-assembly LH initialization | ||
| Wheel alignment adjustment |
|
VSC malfunctioning | |
| Suspension, tires, etc.*4 |
w/ Parking Assist Monitor System: |
Parking assist monitor system | |
w/ Intelligent Clearance Sonar System: |
Intelligent clearance sonar system | ||
w/ Panoramic View Monitor System: |
Panoramic view monitor system |
*1: for 2AR-FXE, w/ EGR System
*2: for 2AR-FXE, w/ Canister Pump Module
*3: w/ Hands Free Power Back Door
*4: The vehicle height changes because of suspension or tire replacement