If MCU can't erase or write a data of the EEPROM or master/slave processor detects abnormal operation in RAM, ROM, Interrupt, Timer, A/D Converter and Cycle time, HECU sets DTC 1604.
Item | Detecting Condition | Possible cause |
DTC Strategy |
•
Internal Monitoring | 1. Defected HECU |
Threshold Value |
•
MCU can't erase or write a data of the EEPROM
•
Master/Slave processor detects abnormal operation in RAM, ROM, Interrupt, Timer, A/D converter, Cycle time | |
Fail Safe |
•
EBD/ABS inhibited(ABS Only)
•
EBD/ABS/CBC/TCS/ESC(ESP)/HAC/VSM/AVH inhibited(ESC[ESP] Only) | |
Warning Indicator Lamp Status |
•
EBD/ABS/ESC(ESP) Warning Indicator Lamp "ON" | |
Clear Condition |
•
Ignition "OFF" and then "ON" |
