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 camshaft 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 |
|---|---|---|---|
|
Inspection after repair |
|
Refer to INITIALIZATION [10/2022 - ] |
*1: Even when not replacing the part, it is necessary to perform the specified necessary procedures after installation.
NOTE:
- This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.
Refer to PRECAUTION [10/2022 - ]
- 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 [10/2022 - ] |
| 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 [10/2022 - ] |
| 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 | FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY | 23100X | - | - | - |
| 2 | ENGINE WIRE | 82121 | - | - | - |
| 3 | IGNITION COIL ASSEMBLY | 19500 | See step 3 | - | - |
| 4 | CAMSHAFT POSITION SENSOR (for Intake Side) | 11102A | See step 4 | - | - |
| 5 | CAMSHAFT POSITION SENSOR (for Exhaust Side) | 11102A | See step 5 | - | - |
| 6 | EARTH BOLT CAP | - | - | - | - |
| 7 | NO. 2 EARTH WIRE | 82286A | - | - | - |
| 8 | CAM TIMING OIL CONTROL SOLENOID ASSEMBLY | 15370 | See step 8 | - | - |
| 9 | CAM TIMING OIL CONTROL SOLENOID O-RING | 15370A | See step 9 | - | - |
| 10 | CAMSHAFT TIMING VALVE ASSEMBLY | 135A0B | See step 10 | - | - |
| 11 | CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY | 13090D | See step 11 | - | - |
| 12 | CAM TIMING CONTROL MOTOR O-RING | 13090E | - | - | - |
| 13 | CYLINDER HEAD COVER SUB-ASSEMBLY | 11201 | See step 13 | - | - |
| 14 | SPARK PLUG TUBE GASKET | 11193 | See step 14 | - | - |
| • | Non-reusable part | * | Precoated part |
| Procedure | Part Name Code | ||||
|---|---|---|---|---|---|
| 15 | FUEL PUMP LIFTER GUIDE | 23477 | See step 15 | - | - |
| 16 | SET NO. 1 CYLINDER TO TDC (COMPRESSION) | - | See step 16 | - | - |
| 17 | STRAIGHT SCREW PLUG | - | See step 17 | - | - |
| 18 | CAMSHAFT | - | See step 18 | - | - |
| *1 | NO. 1 CAMSHAFT BEARING CAP | *2 | NO. 2 CAMSHAFT BEARING CAP |
| *3 | NO. 3 CAMSHAFT BEARING CAP | *4 | NO. 4 CAMSHAFT BEARING CAP |
| *5 | CAMSHAFT | *6 | NO. 2 CAMSHAFT |
| *7 | CAMSHAFT TIMING GEAR ASSEMBLY | *8 | CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY |
| * | Precoated part | - | - |