Caution / Notice / Hint
WARNING: This page is about a different car, the 2024 Lexus TX 550h+ and 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.
The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during No. 1 traction battery heater relay removal/installation are shown below.
NECESSARY PROCEDURES AFTER PARTS REMOVED/INSTALLED/REPLACED
| Replaced Part or Performed Procedure | Necessary Procedure | Effect/Inoperative Function when Necessary Procedure not Performed | Link |
|---|---|---|---|
| Auxiliary battery terminal is disconnected/reconnected | Operate the multiplex network master switch assembly (retractable outer mirror switch) to extend and retract the outer rear view mirror assembly | Parking Support Brake System* | Refer to INITIALIZATION [09/2023 - ] |
*: When "[Parking Support Brake System icon] System Stopped See Owner's Manual" is displayed on the multi-information display.
WARNING:
- Orange wire harnesses and connectors indicate high-voltage circuits. To prevent electric shock, always follow the procedure described in the appropriate service information
.
Refer to PRECAUTION [09/2023 - ]
- To prevent electric shock, wear insulated gloves when working on wire harnesses and components of the high voltage system.
NOTE:
- After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.
- To prevent the key from being locked in the vehicle, make sure to enter e-latch inspection mode and enable the manual release handle before disconnecting the cable from the negative (-) auxiliary battery terminal.
HINT:
When the cable is disconnected / reconnected to the auxiliary battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.
LEARNING COMPLETES WHEN VEHICLE IS DRIVEN
| Effect/Inoperative Function when Necessary Procedure not Performed | Necessary Procedure | Link |
|---|---|---|
| Front Camera System | Drive the vehicle straight ahead at 35 km/h (22 mph) or more for 5 seconds or more. | Refer to INITIALIZATION [09/2023 - ] |
| Adaptive High Beam System | ||
| Lighting System (w/ Automatic Headlight Beam Level Control System) |
LEARNING COMPLETES WHEN VEHICLE IS OPERATED NORMALLY
| Effect/Inoperative Function when Necessary Procedure not Performed | Necessary Procedure | Link |
|---|---|---|
| Power Back Door System | Reset back door close position | Refer to INITIALIZATION [09/2023 - ] |
| Air Conditioning System | After the ignition switch is turned to ON, the servo motor and cooler expansion valve standard position is recognized. | - |