Caution / Notice / Hint
WARNING: This page is about a different car, the 2025 Lexus NX 350, 2024 Lexus NX 350, 2023 Lexus NX 350, and 2022 Lexus NX 350. 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, ECU configuration and update ECU security key.
- After performing the vehicle identification number (VIN) registration, ECU configuration procedure 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 | 17700 | See step 4 | - | - |
| 5 | INLET AIR CLEANER ASSEMBLY | 17750A | See step 5 | - | - |
| 6 | RADIATOR UPPER AIR GUIDE PLATE | 16681A | - | - | - |
| 7 | NEGATIVE BATTERY TERMINAL | - | - | - | - |
| 8 | VEHICLE IDENTIFICATION NUMBER (VIN) REGISTRATION | - | - | - | See step 8 |
| 9 | ECU CONFIGURATION | - | - | - | See step 9 |
| 10 | UPDATE ECU SECURITY KEY | - | - | - | See step 10 |
| 11 | PERFORM INITIALIZATION | - | - | - | See step 11 |
| 12 | INITIALIZATION AFTER RECONNECTING BATTERY TERMINAL | - | - | - | Refer to INSTALLATION [11/2021 - ] |
| *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) |
- | - |