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89661-48A10 89663-48681 Denso map pack – Lexus RX 3.5 273hp

HW89661-48A10SW89663-48681
Injection System20Spark Advance6Limiters3Air Control3Variable Valve Timing (VVT)2Engine Torque2

This pack holds 36 maps of this exact software version, each with its X/Y axes and factor — ready to import into WinOLS. The full list is below.

Lexus RX 3.5 273hp · Denso
Also written: 89661 48A10 · 8966148A10 · 89663 48681 · 8966348681

More packs: Lexus RX · Denso

Where do I find these numbers?

All 36 maps

The percentage beside a name: the share of the 132 Denso packs that name it too.

Injection System 20 maps

  • Injection base map2 maps · 63%
  • Injection at full load48%
  • Injection correction f(ECT)16 maps · 46%
  • Injection enrichment43%

Spark Advance 6 maps

  • Spark Advance base map4 maps · 58%
  • Spark advance correction factor f(ECT)2 maps · 46%

Limiters 3 maps

  • RPM Limiter2 maps · 44%
  • Maximum speed of vehicle38%

Air Control 3 maps

  • Exhaust gas temperature52%
  • Requested engine load2 maps · 42%

Variable Valve Timing (VVT) 2 maps

  • Intake45%
  • Exhaust33%

Engine Torque 2 maps

  • Optimal engine torque2 maps · 74%

How this pack differs from other Denso packs

Named here, but by under half of the 132 Denso packs:

  • Exhaust 33%
  • Maximum speed of vehicle 38%
  • Requested engine load 42%
  • Injection enrichment 43%
  • RPM Limiter 44%
  • Intake 45%
  • Injection correction f(ECT) 46%
  • Spark advance correction factor f(ECT) 46%
  • Injection at full load 48%

Named by at least half of them, but not by this pack:

  • Rail pressure 53%

36 maps against the Denso median

The 132 Denso packs name 4 to 174 maps, median 40; 39% of them name fewer than this one.

CategoryThis packMedian pack
Injection System2015
Spark Advance65
Limiters31
Air Control34
Variable Valve Timing (VVT)21
Engine Torque23
Rail02

Same map list as 30 other SW versions

These packs have exactly the map names of this one. A pack still belongs to its own software, so pick the one whose number matches your read. Below, 12 of them, this model first.

NumberListed forMaps
SW 89663-48340Lexus RX 3.5 266hp · Denso GEN140
SW 89663-08211Toyota Sienna 3.5 272hp · Denso GEN140
SW 89663-50461Lexus LS 6.0 395hp · Denso GEN178
SW 89663-50620Lexus LS 4.3 294hp77
SW 89663-53250Lexus IS 2.5 208hp72
SW 89663-53265Lexus IS 2.5 208hp · Denso GEN172
SW 89663-53560Lexus IS 5.0 471hp52
SW 89663-53580Lexus IS 5.0 417hp · Denso GEN153
SW 89663-53D90Lexus IS 3.5 310hp40
SW 89663-53G50Lexus IS 5.0 471hp · Denso GEN152
SW 89663-60C21Lexus LX 5.7 367hp48
SW 89663-60C22Lexus LX 5.7 367hp · Denso GEN148

Other SW versions on HW 89661-48A10

2 SW versions sit on this HW in the archive, 2 files in all. The last column shows which have a map pack.

SWListed forMap pack
89663-48691Lexus RX 3.5 273hp 2GR-FE · Denso GEN1none listed

Map definitions only — no tuned values; the pack fits this software version only. Original read only (no full backup or EEPROM). A digital file: all sales are final — no refunds.

Original ECU file Denso · 89661-48A10 · 89663-48681
€18
  1. 1 · E-mail
  2. 2 · Card
  3. 3 · File

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