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xmsn wont calibrate?

I went into the calibration menu and tried to calibrate xmsn valve I put both brakes on and started forklift like it told me too. At the end it said that the calibration is out of range and for me to try again. I did and the same results. Any one have a clue on why it wouldn't take. And also which valve is it.
  • Posted 7 Oct 2014 04:53
  • By Gator
  • joined 3 Oct'14 - 45 messages
  • Texas, United States
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Showing items 1 - 3 of 3 results.
Did you full throttle the engine during the calibration?
  • Posted 4 Nov 2014 06:47
  • By BREWSKI
  • joined 10 Jan'12 - 1,699 messages
  • Nebraska, United States
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I believe this is calibrating the enable valve in the control valve assy on top of the transmission,this valve is located in the port that has a number 5 cast into it the one with the number two is the forward soileniod valve and the one with number one is the reverse.
The enable valve,is actuated by a pressure switch on the bottom of the master cylinder,this switch sends a signal to the ECM which in turns energizes the enable solenoid,can check this pressure switch in the master cylinder,might not be functioning....
  • Posted 1 Nov 2014 13:57
  • By kevin_t
  • joined 2 Dec'10 - 1,301 messages
  • Pennsylvania, United States
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Was the transmission up to operating temp? or 120 degrees at least? if it continues to fail you have a probably have pressure sensor failed.
  • Posted 1 Nov 2014 10:19
  • By 67dave67
  • joined 4 Dec'08 - 38 messages
  • British Columbia, Canada
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