NOTE: The malfunction history is stored even if the main switch is turned to “OFF”, therefore, be sure to erase the history (present and past malfunction signaling modes) after repairing the cause of the EPS system malfunction. The malfunction history must be erased in the diagnostic mode. Refer to “DIAGNOSTIC MODE” and “Deleting fault codes”. TROUBLESHOOTING DETAILS (EPS SYSTEM) 9 - 66 EPS (ELECTRIC POWER STEERING) SYSTEM ELEC – + ELEC – + Fault code No. 11, 13, 15, 16 Symptom EPS torque sensor: open or short circuit detected.
Order Item/components and probable cause Check or maintenance job Reinstatement method 1 Connections • EPS torque sensor coupler • Check the coupler for any pins that may have pulled out. • Check the locking condition of the coupler. • If there is a malfunction, repair it and connect the coupler securely. Turning the main switch to “OFF”. 2 Defective EPS torque sensor. • Replace if defective. Refer to “CHECKING THE EPS TORQUE SENSOR”. 3 Open or short circuit in EPS torque sensor lead. • Repair or replace if there is an open or short circuit. • Between EPS torque sensor coupler and EPS control unit coupler. (white–white) (red–red) (green–green) (black–black)