Repair Procedures: Inspection

WARNING: This page is about a different car, the 2018 Kia Forte5 and 2018 Kia Forte. However, it is still accessible from the selected car via links, so may be relevant.

Check the brake warning lamp in the IGN ON position.
NOTE:
Brake warning lamp is ON below conditions.
1. Low brake fluid level warning
2. Low brake vacuum pressure warning
- Vacuum pump is abnormal condition
- Vacuum pump CAN communication is abnormal condition
Check that the brake warning lamp is ON after the release the parking brake with a sufficient brake fluid level.
If the brake warning lamp is ON, check the below points.
1. Is the brake warning lamp ON within 5 seconds after IGN ON?
  YES
  - Reinstall the vacuum pump connector after removing it. And if the brake warning lamp is ON within 5 seconds after IGN ON, replace the vacuum pump.
  NO
  - Check the 2).
2. Is the brake warning lamp ON within 45-55 seconds?
  YES
  - Brake vacuum switch is normal condition.
  NO
  - Check the 3).
3. Is the brake warning lamp ON within 15-30 seconds after removing the vacuum hose from the brake booster?
  YES
  - Replace the vacuum pump
  NO
  - Vacuum pump is normal condition