89661-53B60 89663-53710 Denso original ECU file – Lexus IS 2.5 208hp

SW numbers next to 89663-53710

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.

Other numbers for the Lexus IS 2.5 208hp

102 files cover exactly this car and engine, on Denso GEN1 (77), Denso, type not listed (22), Denso 275036-1470 (3). If your ECU reads differently from this page, 12 of the others:

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 IS: 286 files. ECU types: Denso GEN1 (171), Denso D76F019XXX (62), Denso, type not listed (49), Denso 275036-1470 (4). Engine codes: 4GR-FSE (65), 2GR-FSE (29), 2UR-GSE (20), 8AR-FTS (11).

Engine code 4GR-FSE: 94 files, on Denso GEN1 (53), Denso, type not listed (38), Denso 275036-1470 (3). Listed for Lexus IS (65), Toyota Mark X (18), Toyota Crown (7), 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.