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