Signal circuit inspection (brake pedal is pressed)

Open or Short Check
1. IG "ON".
2. Press the brake pedal.
3. Measure voltage between brake light switch terminal of the AHB harness connector and chassis ground.
  Specification: Brake light switch - B+
  
  Fig 1: Measuring Voltage Between Brake Light Switch Terminal Of AHB Harness Connector And Chassis Ground (Brake Pedal Pressed)
  Courtesy of KIA MOTORS AMERICA, INC.
4. Is the measured value within specifications?
  YES
  - Fault is intermittent caused by poor connection in brake light switch harness and/or AHB's connector. Go to "VERIFICATION OF VEHICLE REPAIR " procedure.
  NO
  - Check for open or blown fuse referring to "CIRCUIT DIAGRAM ".
  - Repair open or short in power circuit between battery and AHB harness connector and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
  - If there is no problem in circuit, Go to "COMPONENT INSPECTION " procedure.