Default OKM settings for 06-07 WRX STI (2.5L)

SKM and OKM

Default OKM settings for 06-07 WRX STI (2.5L)

Postby mrsaturn7085 on Sat Apr 09, 2016 10:43 am

I recently purchased an OKM to retrofit to a WRX9-10 board. Default jumper settings are as follows:

Differential Mode Switch = off; normal knock sensor connection (default)
Gain = 2 (default)
Knock Centre Frequency = 10 kHz (default)

Could you please provide the correct default jumper settings for the following application:

06-07 Subaru WRX STI w/EJ257 (2.5L, single AVCS) motor

Motor is completely stock internally, with only minor external modifications (open exhaust, panel air filter).
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Re: Default OKM settings for 06-07 WRX STI (2.5L)

Postby SprinterTRD on Mon Apr 11, 2016 8:41 am

Use 14Khz for the knock frequency. Then read the SKM/OKM user manual, it has detailed instruction on how to use the SKM/OKM
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Re: Default OKM settings for 06-07 WRX STI (2.5L)

Postby mrsaturn7085 on Tue Apr 12, 2016 2:14 am

14kHz - thank you.

Do you know the default gain jumper setting?

I have read the OKM/SKM manual cover-to-cover three times, and I'm just trying to start with the same baseline that this board would ship with for my application.
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Re: Default OKM settings for 06-07 WRX STI (2.5L)

Postby SprinterTRD on Tue Apr 12, 2016 9:06 am

Most OEM sensors work with the standard gain settings so no need to change them.
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