2007-2008 Yamaha YFM700 Grizzly Factory Service Manual, Page 469Get this manual
EPS (ELECTRIC POWER STEERING) SYSTEM SELF-DIAGNOSTIC FUNCTION TABLE (EPS SYSTEM)
Fault code No11 13 15 16 21 Item Symptom No normal signals are received from the torque sensorNo normal signals are received from the speed sensorNo normal signals are received from the ECUNo normal signals are received from the EPS motorRelay contacts in the EPS control unit are welded togetherBattery voltage has droppedRelay contacts in the EPS control unit are welded togetherBattery voltage has increasedAbnormality exists between the EPS and the ECU
Probable cause of malfunction Open or short circuit in wire harness Malfunction in torque sensor Malfunction in EPS control unit Open or short circuit in wire harness Malfunction in speed sensor Malfunction in EPS control unit Open or short circuit in wire harness Malfunction in ECU Malfunction in EPS control unit Open or short circuit in wire harness Malfunction in EPS motor Malfunction in EPS control unitMalfunction in EPS control unit Faulty battery Malfunction in the charging systemRefer to "CHARGING SYSTEM" Malfunction in EPS control unitMalfunction in EPS control unit Malfunction in the charging systemRefer to "CHARGING SYSTEM" Malfunction in EPS control unit