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C1705 - ECU Precharge Circuit Fault

AutoHex Online Help: Hyundai ELANTRA(HD) 2009
Component Location
General Description

EPS 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 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

Fail Safe

? Waring lamp ON, EPS control is inhibited

Restoration conditions

? Normal condition after IG on ? off

Specification

Bat. Voltage

IG Key ON

ENG. ON

Approx. 11.8 [V]~12.5 [V]

Approx. 12.5 [V] ~ 14.5 [V]

Schematic Diagram