Hyundai Accent: Repair procedures

Hyundai Accent RB (2010-2018) Service Manual / Steering System / Electric Power Steering / Repair procedures

General Inspection

After or before servicing the EPS system, perform the troubleshooting and test procedure as follows. Compare the system condition with normal condition in the table below and if abnormal symptom is detected, perform necessary remedy and inspection.

Test condition	Normal condition: Motor must not supply steering assist.
Test condition	Symptom	Possible cause	Remedy
IG Off	Motor supplies steering assist.	IG power supplies	Inspect the IG power supply line

Test condition

Normal condition: Motor must not supply steering assist, Warning lamp is illuminated.

Symptom

Possible cause

Remedy

IG On/Engine Off

Motor supplies steering assist.

EMS CAN signal is not received

Inspect the EMS1 CAN messege(ID 0×31.6)

•	Transmission check

•	TX data check

Warning lamp is not illuminated.

Cluster fault

Inspect the cluster and cluster harness

Test condition	Normal condition: Motor supplies steering assist, Warning lamp is not illuminated.
Test condition	Symptom	Possible cause	Remedy
IG On/Engine On	Warning lamp is illuminated and Motor dose not supply steering assist.	EPS (Hot at all times) and IG power supply fault	Inspect the connector and harness for EPS (Hot at all times) and IG power supply line.
		DTC is detected by system.	Perform the self test using a scan tool and repair or replace.
	Warning lamp is illuminated and Motor supplies steering assist.	CAN communication between EPS and cluster is fault	Inspect the CAN line

CAN: Controller Area Network

EMS: Engine Management System

The following symptoms may occur during normal vehicle operation and if there is no EPS warning light illumination, it is not malfunction of EPS system.

•	After turning the ignition switch on, the steering wheel becomes heavier while it performs EPS system diagnostics, for about 2 seconds, then it becomes normal steering condition.

•	After turning the ignition switch on or off, EPS relay noise may occur but it is normal.

•	When it is steered, while the vehicle is stopped or in low driving speed, motor noise may occur but it is normal operating one.

Caution when EPS type recognition

•	Check if the battery is fully charged before EPS type recognition.

•	Be careful not to disconnect any cables connected to the vehicle or scan tool during EPS type recognition.

•	When the EPS type recognition is completed, turn the ignition switch off and wait for several seconds, then start the engine to confirm normal operation of the vehicle.

EPS Type Recognition Procedure

1.	Select "EPS Variant Coding".

2.	Proceed with the test according to the screen introductions.

Description and Operation

Description EPS (Electric power steering, Column assist type) system uses an electric motor to assist the steering force and it is an engine operation independent steering system. EPS ...

Steering Column and Shaft. Repair procedures

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Hyundai Accent: Repair procedures

Description and Operation

Steering Column and Shaft. Repair procedures

See also:

Hyundai Accent Manuals