DTC C1513 Brake Switch Error: DTC Detecting Condition
DTC DETECTION CONDITION AND POSSIBLE CAUSE
| Item |
Detecting Condition |
Possible cause |
| DTC Strategy |
|
- Open circuit in brake switch line
- Faulty brake light switch
- Faulty input stage in HECU
|
| Detect Mode |
- Initial Check
- Outside the ABS control cycle
- Inside the ABS control cycle
- Diagnosis mode
- Failure mode
|
| Enable Conditions |
- If both BLS (brake lamp switch) and BS (brake switch) have a same state and MCP (Master Cylinder Pressure) > 20bar for 500ms.
- Outside an ABS/ESC control, and after normal operation of MCP, If the pressure sensor signal is higher than 20bar and BLS is low for 3sec.
- If the BLS/BS changed more than 40times and MCP > 20bar for 5sec.
- While Vref > 10km/h, TPS > 5%, MCP < 7bar, if BLS is high over 1min.
|
| Fail Safe |
- Inhibit the ESC control and allow the ABS/EBD control.
- The ESC warning lamps are activated.
|