Caution / Notice / Hint
WARNING: This page is about a different car, the 2025 Lexus NX 350h, 2024 Lexus NX 350h, 2023 Lexus NX 350h, and 2022 Lexus NX 350h. 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 motor cable 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 |
|---|---|---|---|
| Replacement of ECM | Update ECU security key | Vehicle Control History (RoB) are stored | Refer to UPDATE ECU SECURITY KEY [11/2021 - ] |
| Perform Vehicle Identification Number (VIN) registration | DTC is output | Refer to REGISTRATION [11/2021 - ] | |
| Replacement of inverter with converter assembly | Resolver learning |
|
Refer to UTILITY [11/2021 - ] |
WARNING:
- Orange wire harnesses and connectors indicate high-voltage circuits. To prevent electric shock, always follow the procedure described in the repair information.
Refer to PRECAUTION [11/2021 - ]
- To prevent electric shock, wear insulated gloves when working on wire harnesses and components of the high voltage system.
NOTE:
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 |
|---|---|---|
| Lighting System (EXT) | Drive the vehicle straight ahead at 35 km/h (22 mph) or more for 5 seconds or more. | Refer to INITIALIZATION [11/2021 - ] |
| Front Camera System | ||
| Adaptive High Beam System |
LEARNING COMPLETES WHEN VEHICLE IS OPERATED NORMALLY
| Effect/Inoperative Function when Necessary Procedure not Performed | Necessary Procedure | Link |
|---|---|---|
E-latch System
|
Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch. | Refer to INITIALIZATION [11/2021 - ] |
| Power Back Door System | Reset back door close position | Refer to INITIALIZATION [11/2021 - ] |
| Air Conditioning System | After the ignition switch is turned to ON, the servo motor standard position is recognized. | - |