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Figure out wideband present ONLY ON BK2 #143

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ElDominio opened this issue May 7, 2024 · 11 comments
Open

Figure out wideband present ONLY ON BK2 #143

ElDominio opened this issue May 7, 2024 · 11 comments
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@ElDominio
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ElDominio commented May 7, 2024

BK2 (2013+ Genesis Coupes) very probably have onboard wideband. Can we connect to this in addition to the connector on board 
image

Stock sensor seems to be 6 wire wideband

image

4 of the pins

image

htr pin

image

gets power from a junction box

Now, BK1 uses a narrowband, is it conflicting?
image

it is not, pin 38 is unused on BK2.

@ElDominio ElDominio added the rev-E label May 7, 2024
@rusefillc
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@ElDominio it's a bit premature to wire things until we know the kind of sensor

@ElDominio please start with OEM sensor part number and good photo

@ElDominio note that we already have doubts at #137 (comment)

@ElDominio
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image

OEM Repair manual states this information about O2 sensor

@rusefillc
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@rusefillc rusefillc changed the title Connect onboard wideband to stock wideband pinout present ONLY ON BK2 Figure out wideband present ONLY ON BK2 May 7, 2024
@ElDominio
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WhatsApp Image 2024-05-07 at 14 13 00_1149534c

WhatsApp Image 2024-05-07 at 14 13 00_3d98e0bb

WhatsApp Image 2024-05-07 at 14 16 53_cb718b62

@rusefillc
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@ElDominio I assume not 4.9 until we have evidence of otherwise

looks like we cannot repurpose harness since calibration resistor is in a different position?

@ElDominio
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ElDominio commented May 7, 2024

does having the sensor on hand help? how can this be moved forward; is there a wideband expert we can ping

@rusefillc
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does having the sensor on hand help? how can this be moved forward; is there a wideband expert we can ping

I believe that we are not in the position to move forward here. We do not have the brains to figure out what sensor this is, and we do not have motivated engineers even if we find out that this is NTK or something.

@ElDominio
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I will wire one to a wbo2 module and see if it works or it catches on fire and will report back

@rusefillc
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@rusefillc rusefillc removed the rev-E label May 13, 2024
@rusefillc
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looks like those are called ZFAS-D, ZFAS-U2 and ZFASU3?

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@rusefillc
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looks like those are called ZFAS-D, ZFAS-U2 and ZFASU3?

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