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Home >> Kia >> 2016 >> Optima LX >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> Electronic Stability Program (Esp) System - Optima (Except HEV) >> Troubleshooting >> Memory of Fail Code >> Failure Checkup

Failure Checkup

  1. Initial checkup is performed immediately after the HECU is powered on.
  2. Valve relay checkup is performed immediately after switching "ON" the IG2.
  3. It executes the checkup all the time while the IG2 is switched "ON".
  4. Initial checkup is made in the following cases.
    1. When the failure is not detected momentarily
    2. When ABS and ESC are not in control.
    3. If initial checkup is not made after supplying power to ECU. Initial checkup is not made after ECU power on.
    4. If the vehicle speed is over 5 mph (8 km/h) with the brake lamp switched off.
    5. When the vehicle speed is over 24.8 mph (40 km/h).
  5. Check up continues even if the brake lamp is switched on.
  6. When performing ABS or ESC control before the initial checkup, stop the initial checkup and wait for the HECU power input again.
  7. Judge failure in the following cases.
    1. When the power is normal.
    2. From the point in which the vehicle speed reaches 4.9 mph (8 km/h) after HECU power on.