Caution / Notice / Hint
WARNING: This page is about a different car, the 2025 Lexus RX 450h+, 2025 Lexus RX 350h, 2024 Lexus RX 450h+, 2024 Lexus RX 350h, and 2023 Lexus RX 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 fuel main valve assembly 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 [10/2022 - ] |
*: When "[Parking Support Brake System icon] System Stopped See Owner's Manual" is displayed on the multi-information display.
WARNING:
- Never perform work on fuel system components near any possible ignition sources.
- Vaporized fuel could ignite, resulting in a serious accident.
- Do not perform work on fuel system components without first disconnecting the cable from the negative (-) auxiliary battery terminal.
- Sparks could cause vaporized fuel to ignite, resulting in a serious accident.
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.
ITEMS FOR WHICH LEARNING IS COMPLETED BY DRIVING THE VEHICLE
| 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 [10/2022 - ] |
| Adaptive High Beam System | ||
| Lighting System (w/ Automatic Headlight Beam Level Control System) |
ITEMS FOR WHICH LEARNING IS COMPLETED BY OPERATING THE VEHICLE NORMALLY
| Effect/Inoperative Function when Necessary Procedure not Performed | Necessary Procedure | Link |
|---|---|---|
| Power Back Door System | Reset back door close position | Refer to INITIALIZATION [10/2022 - ] |
| Air Conditioning System | After the ignition switch is turned to ON, the servo motor and cooler expansion valve standard position is recognized. | - |
COMPONENTS (REMOVAL)
| Procedure | Part Name Code | ||||
|---|---|---|---|---|---|
| 1 | FUEL SUCTION TUBE WITH PUMP AND GAUGE ASSEMBLY | 77020A | - | - | - |
| 2 | FUEL PRESSURE REGULATOR HOLDER | 23283B | - | - | - |
| 3 | FUEL MAIN VALVE ASSEMBLY | 23070 | See step 3 | - | - |
| *A | for Type A | *B | for Type B |
| • | Non-reusable part | - | - |