Caution / Notice / Hint
WARNING: This page is about a different car, the 2025 Toyota Highlander, 2024 Toyota Highlander, and 2023 Toyota Highlander. 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 tank sub-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 |
|---|---|---|---|
| Rear wheel alignment adjustment |
|
|
Refer to UTILITY [11/2023 - ] |
| Suspension, tires, etc.*1 | Rear television camera assembly optical axis (Back camera position setting) | Parking Assist Monitor System | Refer to CALIBRATION [10/2022 - ] |
| Parking assist ECU initialization | Panoramic View Monitor System | Refer to CALIBRATION [10/2022 - ] | |
w/ AFS:
|
Lighting System (EXT) (w/ AFS) | Refer to INITIALIZATION [11/2023 - ] | |
| Rear height control sensor sub-assembly LH | Perform headlight ECU sub-assembly LH initialization | Lighting System (EXT) (w/ AFS) | Refer to INITIALIZATION [11/2023 - ] |
| Gas leak from exhaust system is repaired | Perform Inspection After Repair |
|
Refer to INITIALIZATION [10/2022 - ] |
*1: If the vehicle height has changed due to suspension or tire replacement
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 (-) battery terminal.
- Sparks could cause vaporized fuel to ignite, resulting in a serious accident.
- The fuel tank sub-assembly is very heavy. Be sure to follow the procedure described in the repair information, or the fuel tank sub-assembly may fall off the engine lifter.
HINT:
When the cable is disconnected / reconnected to the 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 |
|---|---|---|
| Stop and Start System | Idle the engine for approximately 5 to 60 minutes or drive the vehicle until stop and start control is permitted | Refer to PRECAUTION [11/2023 - ] |
| Lane Control System | Perform steering sensor zero point calibration | Refer to INITIALIZATION [12/2019 - ] |
| Pre-collision System | ||
| Lighting System (EXT) (w/ AFS) |
LEARNING COMPLETES WHEN VEHICLE IS OPERATED NORMALLY
| Effect/Inoperative Function when Necessary Procedure not Performed | Necessary Procedure | Link |
|---|---|---|
| Power Door Lock Control System | Initialize back door lock | Refer to INITIALIZATION [11/2023 - ] |
| Power Back Door System | Reset back door close position | Refer to INITIALIZATION [11/2023 - ] |
| Air Conditioning System | After the ignition switch is turned to ON, the servo motor standard position is recognized. | - |