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C1705 EPS Module(pre-charge circuit) Malfunction

AutoHex Online Help: Hyundai i30(GDe) 2013
General Description

EPS(MDPS=Motor Driving Power Steering) uses an electric motor to provide directional contol to the driver. EPS CM has a charging circuit to supply current to a motor temoporarily.

DTC Description

EPS(MDPS=Motor Driving Power Steering)CM sets this code and turns on warning lamp if charged voltage is too low due to a abnormal charging circuit. At that time EPS CM inhibits it's own function.



DTC Detecting Condition

Item

Detecting Condition

Possible cause

DTC Strategy

Check voltage

Poor connetion in power circuit

Poor connection in ground circuit

Over charging

Enable conditions

IG ON

Threshold value

Charging circuit voltage too low

Specification

Bat. Voltage

IG Key ON

ENG. ON

Approx. 11.8 [V] ~ 12.5 [V]

Approx. 12.5 [V] ~ 14.5 [V]

Diagnostic Circuit Diagram