2005-2011 Honda FourTrax Foreman TRX500 FE/FPE/FM/FPM/TM Service Manual, Page 516Get this manual
ELECTRIC POWER STEERING (EPS) EPS ECU INTERNAL CIRCUIT NOTE
Before sterting the troubleshooting, check the connectors for loose contacts or corroded terminals, and recheck the DTCPerform the troubleshooting according to the DTe in the following table
(Direction determine logic circuit)
(Regular diagnosis)
16-02 EP'S-ECO-intema) circuit1
UNH output circuit) (Initial diagnosis)
(Voltage rai se transformation circuit) (Initial diagnosis)
i.e""" uiil,"t1
h 7'''d rpS"t1:U intemal circuit'-t" 02
(Voltage raise transformation circuit)
(Regular diagnosis)
mDYrl,;p1;TCU internal cC.ir'eui"t-"
18-02 EPSClfiiitemaICiiCUit 1 'E 8,Oiirrcu Internal circuit IMotor cu"ent deflection) (Regu lar diagnosis) 8:(R1 EPS EtUl nte malc iiCUifUM2)'-1 (Regu lar diagnosis) fS EC'U intemafc ircuif"{EEPROMJ-(Regu lar diagnosis) 35 pStcU Intema! circuit (CPU) (Initial diagnosis) PSTtO internal circuit (CPU communication) (Initial diagnosisfrli'PS- ECa-intemal circuit (CPU communication) (Regu lar diagnosis)