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15-40 STEERING EPS (Electric Power Steering) System Power Supply Voltage Abnormal (Service Code 11,12) ○ The usable range of the power supply voltage is 10 V to • Check the charging condition (see Alternator Operation EPS Neutral Position Unregistration (Service Code 31) ○ This code appears in the following condition. ○ When the EPS ECU was replaced and the EPS neutral • Register the EPS neutral position in the new EPS ECU Current Sensor Inspection (Service Code 32) ○ The current sensor is built in the EPS ECU [A]. So, the • Turn the main switch OFF. • Disconnect the EPS ECU and EPS motor connectors. • Check the wiring for continuity between main harness Special Tool - Hand Tester: 57001-1394 Wiring Continuity Inspection EPS ECU Connector [A] ←→ EPS Motor Connector [B] R Lead [C] If the wiring is good, check the power supply voltage (see |