| Main action |
- Monitor the brake switch signal
|
- Blown Fuse
- Defected brake switch
- Brake switch power supply failure
- Short to power in brake switch
- Open or short to ground in brake switch
- Faulty of brake switch installation
- Defected ESP (ESC)
- Faulty of Master cylinder pressure
|
| Threshold value |
- When brake pedal pressure is more than 15 bars and brake lamp switch is "OFF" for more than 3 seconds.
- In case of vehicle speed is over 20 km/h (12.42 MPH) and brake pedal pressure is more than 7 bars, if brake lamp switch is "ON" state for more than 360 seconds or more than 120 seconds cumulative three times or more.
|
| Diagnosis time |
|
| MIL |
- ESP (ESC) warning lamp is activated. EBD/ABS/EPB warning lamps are not activated.
|
| Reset condition |
- After ignition switch turned OFF and ON,
- when brake lamp switch is "OFF", pressure sensor value is below 7 bar for more than 1 second.
- when brake lamp switch is "ON", pressure sensor value is over 15 bar for more than 1 second.
|