General Information

Electric Hydraulic Power Steering
C2421 Motor Temperature Sensor Low Input - General Information

Component Location





General Description

EHPS (Electro Hydraulic Power Steering) is assitance steering ability system uses electrical motor that generate oil pressure not to use the Engine power.
Temperature sensor is installed is MPU(Motor Pump Unit) in order to measure oil temperature, This sensor uses a thermistor whose resistance changes according to the temperature changes.
MPU ECU perform limit current control to prevent from over-heating and motor speed control according to viscosity changes.

DTC Description

The MPU set this code If input value from temperature sensor is too low and not control EHPS.

DTC Detecting Condition





Diagnostic Circuit Diagram