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Denso LFH9 original ECU files

Stock reads of the Denso LFH9 for Mazda and more.

How Toyota and Lexus Denso ECU numbers work

VehiclesIdentify the fileMap packsAll HW and SW numbers

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Denso LFH9 files

12 files €18 each · card · by e-mail

Vehicles with a Denso LFH9

Denso LFH9 files are listed for 1 make and 2 models, the most listed first.

ModelEnginesFiles
Mazda12
MX52.0 160hp 6, 1.8 126hp 511
32.0 150hp 11

How to identify your Denso LFH9 file

How the numbers on this ECU type start:

  • SW 05SSW… 5 of the 9 files with a SW number, 56%

Where do I find these numbers?

Denso LFH9 map packs in figures

5 packs, 31 to 33 maps each, median 31.

CategoryPacks with itMedian maps
Air Control100%6
Limiters100%3
Engine Torque100%6
Spark Advance100%15
Injection System100%1

Named by the most packs: Air quantity - Base map 100%, RPM Limiter 100%, Spark Advance base map 100%, RPM limiter (lower threshold) 100%, Spark advance at low load 100%, RPM limiter (higher threshold) 100%, Optimal engine torque 100%, Limiter of Maximum torque 100%.

All Denso LFH9 HW and SW numbers

9 HW numbers and 8 SW numbers, by make. Beside each HW, how many SW versions it carries. A number opens a file that shows it.

Mazda 9 HW · 8 SW
HWSW versions
L831041 SW-L831ED0W
L831EG0001 05SSW-L831EG000
LFDM04N021001 07SSW-LFDMEA000
LFFC04N027001 07SSW-LFFCEC000
LFH904C0651 05SSW-LFH9EF000
LFH9EC0001 05SSW-LFH9EC000
LFH9EE0001 05SSW-LFH9EE000
LFH9EF0001 05SSW-LFH9EF000
LFNP04N030001 07SSW-LFNPEA000