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 EV converter 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 [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.
- To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.
- To prevent burns, do not touch the engine, exhaust pipe or other high temperature components while the engine is hot.
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 (w/ Automatic Headlight Beam Level Control System) | Drive the vehicle straight ahead at 15 km/h (10 mph) or more for 1 second or more. | Refer to INITIALIZATION [09/2023 - ] |
| 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 |
|---|---|---|
| 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 standard position is recognized. | - |
COMPONENTS (REMOVAL)
| Procedure | Part Name Code | ||||
|---|---|---|---|---|---|
| 1 | PRECAUTION | - | See step 1 | - | - |
| 2 | SERVICE PLUG GRIP | G3834 | - | - | - |
| Procedure | Part Name Code | ||||
|---|---|---|---|---|---|
| 3 | FRONT WHEEL OPENING EXTENSION PAD LH | 53852B | - | - | - |
| 4 | FRONT WHEEL OPENING EXTENSION PAD RH | 53851D | - | - | - |
| 5 | NO. 1 ENGINE UNDER COVER | 51441 | - | - | - |
| 6 | DRAIN COOLANT (for Intercooler) | - | - | See step 6 | - |
| 7 | COOL AIR INTAKE DUCT SEAL | 53295E | - | - | - |
| 8 | NO. 1 ENGINE COVER SUB-ASSEMBLY | 12601B | See step 8 | - | - |
| 9 | AIR CLEANER INLET ASSEMBLY | 17750A | - | - | - |
| 10 | AIR CLEANER ASSEMBLY WITH NO. 1 AIR CLEANER HOSE | - | - | - | - |
| 11 | AIR CLEANER HOSE ASSEMBLY | 17880 | - | - | - |
| 12 | ECM | 89661 | - | - | - |
| 13 | WATER HOSE WITH FUEL VAPOR FEED HOSE ASSEMBLY | - | - | - | - |
| 14 | NO. 2 VENTILATION HOSE | 12262 | - | - | - |
Fig 3: Electric Vehicle Converter (For 1Motor-HEV Model) Removal Components With Torque Specifications (3 Of 3)
| Procedure | Part Name Code | ||||
|---|---|---|---|---|---|
| 15 | INTAKE AIR CONNECTOR BRACKET | 17872 | - | - | - |
| 16 | BATTERY COVER LOCK STRIKER | G9295B | See step 16 | - | - |
| 17 | REMOVE INVERTER TERMINAL COVER | G9223 | See step 17 | - | - |
| 18 | CHECK TERMINAL VOLTAGE | - | See step 18 | - | - |
| 19 | INSTALL INVERTER TERMINAL COVER | G9223 | See step 19 | - | - |
| 20 | ENGINE WIRE | 82121 | See step 20 | - | - |
| 21 | INLET NO. 1 INVERTER COOLING HOSE | G922A | See step 21 | - | - |
| 22 | NO. 1 INVERTER COOLING HOSE ASSEMBLY | G90A0A | See step 22 | - | - |
| 23 | NO. 1 ENGINE AND INVERTER STIFFENER | 12346 | - | - | - |
| 24 | BATTERY COVER LOCK STRIKER | G9295B | See step 24 | - | - |
| 25 | UPPER INVERTER COVER SUB-ASSEMBLY | G9022A | See step 25 | - | - |
| 26 | FLOOR UNDER WIRE | 821H1 | See step 26 | - | - |
| 27 | REMOVE INVERTER TERMINAL COVER | G9223 | See step 27 | - | - |
| 28 | EV CONVERTER ASSEMBLY | G9270E | See step 28 | - | - |
| 29 | CONVERTER COVER | G9271 | - | - | - |
| 30 | O-RING | - | See step 30 | - | - |
| 31 | INVERTER COVER GASKET | G9231 | See step 31 | - | - |
| 32 | INVERTER TERMINAL GASKET | G9233 | See step 32 | - | - |
| *1 | HYBRID MOTOR CONTROL INVERTER ASSEMBLY | *2 | AIR CONDITIONING WIRE |
| N.m (kgf/cm, ft.lbf): Specified torque | - | - | |
| • | Non-reusable part | - | - |