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.
NOTE:
- After replacing the hybrid vehicle control ECU assembly, make sure to perform update ECU security key.
- After performing the 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 (-) auxiliary battery terminal.
COMPONENTS (INSTALLATION)
| Procedure | Part Name Code | ||||
|---|---|---|---|---|---|
| 1 | HYBRID VEHICLE CONTROL ECU ASSEMBLY | 89980B | - | - | - |
| 2 | ECU INTEGRATION BOX LH | 82878 | - | - | - |
| Procedure | Part Name Code | ||||
|---|---|---|---|---|---|
| 3 | NEGATIVE AUXILIARY BATTERY TERMINAL | - | - | - | - |
| 4 | BATTERY SERVICE HOLE COVER | 58441L | - | - | - |
| 5 | DECK BOARD ASSEMBLY | 58410B | - | - | - |
| 6 | ECU CONFIGURATION | - | - | - | See step 6 |
| 7 | UPDATE ECU SECURITY KEY | - | - | - | See step 7 |
| 8 | PERFORM INITIALIZATION | - | - | - | See step 8 |
| 9 | INITIALIZATION AFTER RECONNECTING AUXILIARY BATTERY TERMINAL | - | - | - | See step 9 |