Hyster S70FT:
Cranks but won't start.

I have a Hyster S70FT, Serial number F187V10210E that will crank but not start. It has a GM Vortec 2.4L, build date 8/2007, engine in it and I am not getting spark out of the brand new coil that was installed. It also has a new cam sensor in it. Can anyone tell me where the coil gets its signal from(I'm afraid that answer will be the ECU) and what kind of voltage I get at the two coil wires that control the spark? Any help is greatly appreciated.
  • Posted 5 Apr 2018 05:26
  • Discussion started by lvscr
  • Idaho, United States
Showing items 1 - 3 of 3 results.
Diagram say it is a engine RPM sensor. It has three wires in the plug. Pin one is VRS +, Pin two is VRS -, Pin three is VRS G (ground). The wire numbers are, 1- 376A, 2- 375A, 3- 377C. There is no reference to the supply voltage. This may be a hall effect sensor and you should see a pulse on the signal out put when cranking. Most of the sensors are supplied 5 volts on these trucks. The cam sensor calls out the supply as 5 volts. Check the signal voltage when the engine is cranking.
  • Posted 19 Apr 2018 05:18
  • Reply by BREWSKI
  • Nebraska, United States
ECU did not repair it, any other ideas? Besides what I previously posted, i noticed that I am getting 2.4v at the supply wire to the crank sensor, and 2.4v on the signal wire from the crank sensor. But the sensor does not show to be shorted.
  • Posted 19 Apr 2018 03:50
  • Reply by lvscr
  • Idaho, United States
It is the ECU. Not sure of the voltage on the GM engine.
  • Posted 5 Apr 2018 05:59
  • Reply by BREWSKI
  • Nebraska, United States

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