2005-2011 Honda FourTrax Foreman TRX500 FE/FPE/FM/FPM/TM Service Manual, Page 522Get this manual
ELECTRIC POWER STEERING (EPS) DTC 24-01: ENGINE SPEED SIGNAL (REGULAR DIAGNOSIS) Refer to OTG 11 -01EXCESSIVE CHANGE OF THE
VEHICLE
TROUBLESHOOTING
(page 24-18)
DTC 31-01: LOWHIGH IG1-TERMINAL VOLTAGE (INITIAL DIAGNOSIS)
Before starting the troubleshooting check the following items:
- check the connectors for loose contacts or cor
roded terminals, and recheck the OTCcheck for blown lOA IGN fusebattery condition (must use fu ly charged battery)
1IGlline Open Circuit ins pection
Remove the front fender (page 3-9)
Disconnect the EPS Eeu 21 gray connectOrWith the ignition switch turned to ONmeasure the voltage between the Blackgreen wire termi nal of the wire harness side of the EPS EeU 21P gray connector and body groundConnection: Black green(+)Body ground H