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.
NOTE:
- After replacing the ECM, make sure to perform vehicle identification number (VIN) registration and update ECU security key.
- After performing the vehicle identification number (VIN) registration and update ECU security key procedure, make sure to perform the initialization procedure for when the cable has been disconnected and reconnected to the negative (-) battery terminal.
COMPONENTS (INSTALLATION)
| Callout - Procedure | Part Name Code | ||||
|---|---|---|---|---|---|
| 1 | NO. 2 ECM BRACKET | 89668 | - | - | - |
| 2 | NO. 1 ECM BRACKET | 89667E | - | - | - |
| 3 | ECM | 89661 | See step 3 | - | - |
| 4 | AIR CLEANER ASSEMBLY WITH AIR CLEANER HOSE | - | See step 4 | - | - |
| 5 | NO. 2 VENTILATION HOSE | 12262 | See step 5 | - | - |
| 6 | VACUUM HOSE | - | - | - | - |
| 7 | INLET AIR CLEANER ASSEMBLY | 17750A | See step 7 | - | - |
| 8 | RADIATOR UPPER AIR GUIDE PLATE | 16681A | - | - | - |
| 9 | NO. 1 ENGINE COVER SUB-ASSEMBLY | 12601B | See step 9 | - | - |
| 10 | NEGATIVE BATTERY TERMINAL | - | - | - | - |
| 11 | VEHICLE IDENTIFICATION NUMBER (VIN) REGISTRATION | - | - | - | See step 11 |
| 12 | UPDATE ECU SECURITY KEY | - | - | - | See step 12 |
| 13 | PERFORM INITIALIZATION | - | - | - | See step 13 |
| 14 | INITIALIZATION AFTER RECONNECTING BATTERY TERMINAL | - | - | - | See step 14 |
| *A | Type A | *B | Type B |
| N.m (kgf/cm, ft.lbf): Specified torque | - | - | |
| *T1 | Type A: 3.0 N.m (31 kgf/cm, 27 in.lbf) Type B: 4.5 N.m (46 kgf/cm, 40 in.lbf) |
- | - |