Caution / Notice / Hint
WARNING: This page is about a different car, the 2025 Lexus NX 250, 2024 Lexus NX 250, 2023 Lexus NX 250, and 2022 Lexus NX 250. 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 EGR cooler 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 |
|---|---|---|---|
| Gas leak from exhaust system is repaired | Inspection after repair |
|
Refer to INITIALIZATION [11/2021 - ] |
COMPONENTS (REMOVAL)
| Callout - Procedure | Part Name Code | ||||
|---|---|---|---|---|---|
| 1 | DRAIN ENGINE COOLANT (for Engine) | - | - | See step 1 | - |
| 2 | RADIATOR UPPER AIR GUIDE PLATE | 16681A | - | - | - |
| 3 | NO. 1 ENGINE COVER SUB-ASSEMBLY | 12601B | See step 3 | - | - |
| 4 | INLET AIR CLEANER ASSEMBLY | 17750A | - | - | - |
| 5 | VACUUM HOSE | - | - | - | - |
| 6 | NO. 2 VENTILATION HOSE | 12262 | - | - | - |
| 7 | AIR CLEANER ASSEMBLY WITH AIR CLEANER HOSE | - | - | - | - |
| 8 | NO. 3 WATER BY-PASS HOSE | 16267 | - | - | - |
| 9 | NO. 4 WATER BY-PASS HOSE | 16281 | - | - | - |
| 10 | EGR COOLER ASSEMBLY | 25680 | - | - | - |
| 11 | EGR VALVE GASKET | 25627 | - | - | - |
| 12 | NO. 1 EGR COOLER GASKET | 25685 | - | - | - |
| *A | for Type A | *B | for Type B |
| • | Non-reusable part | - | - |