Signal Circuit Inspection
WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
| Item | Normal Value | Prerequisite Condition | Probe (+) | Probe (-) |
|---|---|---|---|---|
| Signal circuit (switch is being pressed.): Voltage | Brake switch 'A' - Battery voltage |
|
ESP (ESC), Brake switch signal terminal | Chassis ground |
| Signal Circuit (Switch Is Not Pressed.): Voltage | Brake switch 'A' - 0V |
|
ESP (ESC), Brake Switch Signal Terminal | Chassis Ground |
- Is the result within specifications?
YES
- Fault is intermittent caused by poor connection in brake switch harness and/or ESP (ESC)'s connector. Go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Check the fuse burnout and replace it if the fuse is damaged.
- Repair open or short in power circuit between Battery (+) and the ESP (ESC) harness connector and then, go to "VERIFICATION OF VEHICLE REPAIR "
- Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure