Hyundai Creta: ESP(Electronic Stability Program) System / Troubleshooting

Hyundai Creta GS 2014-2023 Service Manual / Brake System / ESP(Electronic Stability Program) System / Troubleshooting

Failure Diagnosis

1.	In principle, ESP and TCS controls are prohibited in case of ABS failure.

2.	When ESP or TCS fails, only the failed system control is prohibited.

3.	However, when the solenoid valve relay should be turned off in case of ESP failure, refer to the ABS fail-safe.

4.	Information on ABS fail-safe is identical to the fail-safe in systems where ESP is not installed.

Memory of Fail Code

1.	It keeps the code as far as the backup lamp power is connected. (O)

2.	It keeps the code as far as the HCU power is on. (X)

Failure Checkup

1.	Initial checkup is performed immediately after the HECU power on.

2.	Valve relay checkup is performed immediately after the IG2 ON.

3.	It executes the checkup all the time while the IG2 power is on.

Countermeasures in Fail

1.	Turn the system down and perform the following actions and wait for HECU power OFF.

2.	Turn the valve relay off.

3.	Stop the control during the operation and do not execute any until the normal condition recovers.

Warning Lamp ON

1.	ESP operation lamp turn on for 3sec after IGN ON.

2.	ESP operation lamp blinks when ESP Act.

ESP OFF warning lamp turn on in case of

–	ESP Switch OFF

–	ESP Failure Detect

–	3sec after IGN ON

–	Entering the diagnostic mode

Schematic diagrams

Schematic diagram Terminal Function ABS Connector Input/ Out put Wire No. Designation Current12V(AMPS) max.pe ...

Repair procedures

Repair procedures Bleeding of Brake System This procedure should be followed to ensure adequate bleeding of air and filling of the ESC unit, brake lines and master cylinder with ...

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