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

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

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

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

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

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

Initial checkup is performed immediately after the HECU power on.

Valve relay checkup is performed immediately after the IG2 ON.

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

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

Turn the valve relay off.

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

ESP warning lamp turn on for 3sec after IGN ON.

ESP function lamp blinks when ESP Act.

If ESP fail occured, ESP warning turns ON.

ESP OFF lamp turn on in case of