My tacho donīt work - CBR 600RR

  #1  
Old 08-07-2017, 04:27 PM
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Default My tacho donīt work - CBR 600RR

Hello everyone,
I have a kartcross with cbr600rr engine.
year: 2008
ecu and loom: hrc

The engine speed in the cluster dont work, stay on zero rpm.
I take the signal from tacho (yelow green wire) with a scope.
when the dashboard connector is pluged I have about 1v constants.
If it is off I have a square wave oscillating between 5v and 15v.

Will the ecu be broken or will it be the dashboard?

thank you
 
  #2  
Old 08-08-2017, 11:24 AM
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Location: Lancs ,UK
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Hi check the VSS (vehicle Speed Sensor)
 
  #3  
Old 08-08-2017, 11:47 AM
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The engine start normally.

I think that if the sensor was damaged the motor would not start.

Thank you
 
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