Hyundai Creta: ESP(Electronic Stability Program) System / Troubleshooting
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.
|
3. |
ESP OFF warning lamp turn on in case of
– |
Entering the diagnostic mode
|
|
Schematic diagram
Terminal Function
ABS Connector Input/ Out put
Wire No.
Designation
Current12V(AMPS)
max.pe ...
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 ...