89661-50C70 89663-50620 Denso original ECU file – Lexus LS 4.3 294hp
89661-50C70SW89663-50620- Vehicle
- Lexus LS
- Engine
- 4.3 294hp · 1UR-FSE
- ECU
- Denso
- HW
- 89661-50C70
- SW
- 89663-50620
- Also written
- 89661 50C70 · 8966150C70 · 89663 50620 · 8966350620
77 maps — Injection System, Spark Advance, Air Control, Engine Torque. Original included.
SW numbers next to 89663-50620
The closest SW numbers in the archive, by spelling. They are other files, not equivalents. Worth a look when a digit may have been misread.
| SW | Listed for |
|---|---|
| 89663-50570 | Lexus LS 4.6 380hp 1UR-FSE · Denso GEN1 |
| 89663-50571 | Lexus LS 4.6 380hp · Denso GEN1 |
| 89663-50575 | Lexus LS 4.6 380hp · Denso GEN1 |
| 89663-50581 | Lexus LS 4.6 380hp · Denso GEN1 |
| 89663-50610 | Lexus LS 4.3 294hp 1UR-FSE · Denso GEN1 |
| 89663-50680 | Lexus LS 4.6 380hp 1UR-FSE · Denso GEN1 |
| 89663-50762 | Toyota Crown 4.3 300hp 3UZ-FE · Denso GEN1 |
| 89663-50770 | Lexus LS 4.6 380hp · Denso GEN1 |
| 89663-50774 | Lexus LS 4.6 380hp · Denso GEN1 |
| 89663-50840 | Lexus IS 2.5 208hp · Denso GEN1 |
Other numbers for the Lexus LS 4.3 294hp
18 files cover exactly this car and engine, on Denso GEN1 (14), Denso, type not listed (4). If your ECU reads differently from this page, 12 of the others:
This file's map pack against other Denso packs
Its pack names 77 maps. The 132 Denso packs in the archive have 4 to 174 maps, median 40; 92% of them name fewer than this one.
| Category | This pack | Median pack |
|---|---|---|
| Injection System | 53 | 15 |
| Spark Advance | 8 | 5 |
| Air Control | 7 | 4 |
| Engine Torque | 4 | 3 |
| Limiters | 3 | 1 |
This ECU and car in figures
Denso: 763 files, 665 SW numbers, 132 with a map pack. Makes: Toyota (371), Lexus (180), Mazda (115), Opel (27). Most listed: Lexus IS (49), Mazda 3 (47), Toyota Land Cruiser (38), Toyota Camry (33).
Lexus LS: 96 files. ECU types: Denso GEN1 (61), Denso, type not listed (21), Denso D76F019XXX (8), Denso GEN3 (4). Engine codes: 1UR-FSE (25), 2UR-FSE (9), 3UZ-FE (7), 8GR-FXS (2).
Engine code 1UR-FSE: 29 files, on Denso GEN1 (19), Denso, type not listed (10). Listed for Lexus LS (25), Lexus GS (4).
914 of the 914 files here with HW 8966… are Denso units.
5 122 of the 5 122 files here with SW 8966… are Denso units.
What you get
- The original (stock) read of this ECU as listed, as a ready-to-use .bin file by e-mail.
- File sizes differ between tools and read methods — check that the numbers match your ECU before buying.
- Original read only: no full backup, EEPROM or tuned file.
- A digital file: all sales are final — no refunds. Terms of sale