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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible cause
Case 1 DTC Strategy  
  • Internal Monitoring
  
  1. Faulty HECU
Enable Conditions  
  • When the MCU can't erase or write a data of the EEPROM
  • If the master/slave processor detects abnormal operation in RAM, ROM, interrupt, timer, A/D converter and cycle time
  • A failure is detected if the communication error between internal components is detected
  • A failure is detected if the internal components are not initialized properly
Fail Safe  
  • The ABS/EBD/ESP (ESC)/DBC/AVH/EPB functions are inhibited
  • The ABS/EBD/ESP (ESC)/DBC/AVH/EPB warning lamps are activated
Case 2 DTC Strategy  
  • Internal Monitoring
Enable Conditions  
  • While system operating stage, the main current sensor and sub current sensor difference is higher than 5A for 0.2 second
  • While system not operating stage, main current sensor data is out of 1A
  • While system not operating stage, and sub FET enable condition, the volage is less than 2V for 0.2 second
Fail Safe  
  • Inhibit the AVH/EPB control and AVH/EBD warning lamps are activated
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