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Home >> Kia >> 2017 >> Forte EX >> Repair and Diagnosis >> Brakes >> Traction Control >> Electronic Stability Control (ESC) System >> Troubleshooting >> Failure Checkup
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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.
  4. Initial checkup is made in the following cases.
    1. When no failure is detected
    2. When ABS and ESC are not in control.
    3. Initial checkup is not made after ECU power on.
    4. If the vehicle speed is over 5 mph (8 km/h) when the brake lamp switch is off.
    5. When the vehicle speed is over 24.8 mph (40 km/h).
  5. Though, it keeps on checkup even if the brake lamp switch is 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.
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