Printed in U.S.A. 5-6 918070/FP0811
Engine Diagnostic Codes Table
Flashing
Code
Error Sender Associated Component Troubleshooting
7 Fuel injection pump regula-
tor sensor
Loose connector Tighten connector
Wiring error Check/replace defective
component(s)
Defective sensor Contact dealer
5 Throttle Wiring error Check/replace defective
component(s)
Defective throttle lever sensor Replace throttle lever sensor
4-1 ECU temperature sensor Internal ECU error
ECU temperature too high
Allow to cool down, contact dealer
2-5 ECU temperature ECU temperature too high Allow to cool down
4 Coolant temperature sensor Wiring harness error Check/replace defective
component(s)
Defective coolant temperature sensor Replace sensor
3-6 Coolant temperature too
high
Overheated engine Allow to cool down
Low coolant Add coolant
Defective engine cooling system Check/replace defective
component(s)
Defective coolant temperature sensor Replace sensor
2-4 5-V sensor Wiring harness error Check/replace defective
component(s)
Internal ECU error Contact dealer
2-3 Battery voltage Worn battery Replace battery
Oxidized battery terminals Clean battery terminals
Defective alternator Replace alternator
Wiring harness error Check/replace defective
component(s)
6 Speed sensor Loose connector Tighten connector
Defective starter Replace starter
Defective fuel injection Contact dealer
Battery voltage too low Charge battery
Wiring harness error Check/replace defective
component(s)
1-1 Spare speed sensor (alter-
nator)
Loose connector Tighten connector
Defective wiring harness Check/replace defective
component(s)
Internal ECU error Contact dealer
9 Over-speed Wiring harness error Check/replace defective
component(s)
Engine runs at over-speed Reduce engine RPMs, stop the machine
Internal ECU error Contact dealer
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