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Post Info TOPIC: K8 GSXR1000 ECU pinout (32920-21H50)


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K8 GSXR1000 ECU pinout (32920-21H50)

Here are the wire colors, circuit board pin label, and function all in one document.

PDF version

Programming pins are hilited in Yellow




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I'm aware that this has been here without comment for 6 1/2 years. But, with apologies, I have a question. The K7/K8 uses a Hall effect sensor for the camshaft sensor and consequently only has a single signal lead. This contrasts with the crankshaft sensor that has a + and - lead. Yet the above pinout shows pin 8 as CMPS+ and pin 30 as CMPS-. Do you know where CMPS- came from, i.e. was the board so marked? K5/K6 used an inductive camshaft sensor and there are CMP+ and CMP- leads. But not on K7/K8. Alternately, might the K7/K8 ECM support an inductive/two lead sensor? The K7/K8 ECM terminal diagram in the service manual lists pin 8 as CMPS+ but I've always considered the + to be an error, probably a carryover from the K5/K6 diagram that was missed.

-- Edited by BillV on Friday 18th of September 2015 04:00:08 PM

-- Edited by BillV on Friday 18th of September 2015 04:02:31 PM



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If it is possible, I want to know Eeprom location


Veteran Member

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You mean the location in the ECU or the pin? Pin communication can be done by RX and TX (15 &16). 

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