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DTC Information: DTC Detecting Condition

DTC DETECTING CONDITIONS AND POSSIBLE CAUSES

Item Detecting Condition Possible cause
DTC Strategy
  • Open circuit monitoring
  1. Open circuit in brake switch line
  2. Faulty brake light switch
  3. Faulty input stage in HECU
Monitoring Period
  • Continuous (only normal voltage)
Enable Conditions
  • In case of over 20 kph (12.4 mph) speed and under 7 bar of Pressure sensor input, monitoring a fault if Brake light signal keeps 'ON' for 120 seconds.
  • Monitoring a fault if Brake light signal keeps 'OFF' for 1 second in case of over 15 bar of Pressure sensor input.
Fail Safe
  • Inhibit the ESP(ESC) control and allow the ABS/EBD control
  • The ESP(ESC) warning lamp is activated
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