DTC C1513 Brake Switch Error: DTC Detecting Condition
DTC DETECTING CONDITION CHART
| 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 and BS have a same state for predetermined time, The failure is recognized.
- Outside an ABS/ESC control, And after normal operation of MCP, If the pressure sensor.
- The signal is higher than 20 bar and BLS is low for 3 sec, ECU detect the failure if the BLS/BS changed more than 40 times for 5 sec, ECU detect the failure.
- While Vref > 10 km/H (6.2 mph), TPS > 5 %, MCP < 7 bar, if BLS is high over 1 minute, ECU detect the failure.
|
| Fail Safe |
- Inhibit the ESC control and allow the ABS/EBD control. Meanwhile, stop checking the ESC switch failure under the ESC control.
- The ESC warning lamps are activated.
|