2005-2011 Honda FourTrax Foreman TRX500 FE/FPE/FM/FPM/TM Service Manual, Page 518Get this manual
ELECTRIC POWER STEERING (EPS) DTC 18-04: EPS ECU INTERNAL CIRCUIT (CURRENT SENSOR STUCK LOW) (REGULAR DIAGNOSIS) Refer to EP$ ECU INTERNAL CIRCUIT {CURRENT SENSOR STUCK LOWI (INITIAL DIAGNOSIS) troubleshooting (page 24-27)
DTC 21 -01ABNORMAL MOTOR TERMINAL VOLTAGE (INITIAL DIAGNOSIS)
Refer to EPS Eeu INTERNAL CIRCUIT (CURRENT SENSOR lOW STUCK) (INITIAL DIAGNOSIS) troubleshooting (page 24-27)
DTC 21-02: ABNORMAL MOTOR TERMINAL VOLTAGE (REGULAR DIAGNOSIS)
Refer to EPS ECU INTERNAL CIRCUIT (CURRENT SENSOR lOW STUCK) (INITIAL DIAGNOSIS) troubleshooting (page 24-27)
DTC 21 -03: OPEN IN THE MOTOR HARNESS (REGULAR DIAGNOSIS)
Refer to EPS Eeu INTERNAL CIRCUIT (CURRENT SENSOR OW STUCK) (INITIAL DIAGNOSIS) troubleshooting (page 24-27)