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Temperature sensor wiring route and ECU POST procedure

 
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Rafal
Flying Brick Rider


Joined: 05 Jan 2009
Posts: 257
Location: Wroclaw, Poland

PostPosted: Mon Jun 10, 2013 5:56 pm    Post subject: Temperature sensor wiring route and ECU POST procedure Reply with quote

Hello!

I am still fiddling with difficult situation of temperature sensor out of range error.
Today I have cleaned connectors, started bike form cool and wait to warm up. While engine running I have checked error codes, the result 4444 - yupi. Then switched off and started again warm engine: 1223 (SIC!).
So it looks to me like when the bike is hot, and ECU goes through some kind Power On Self Test, it gets low resistance due to warm coolant and generates an error code. I will try to rule it out using some resistor with cold and working temperature values.
Another thing, in my bike the sensor wire is crimped together with injectors power outlets. Is it the same on yours bikes? I even start to suspect EMC related issue.
A strange thought came to me tonight. I live in city with over 600 000 citizens, the region have million+ people and I can't find another K11 to make ECU swap for test :/.

Best regards,
_________________
Rafal
K1100RS is a real beast (in Marrakesh Red)
K75S is a real beauty - she has gone Sad, but not to far Smile.

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