DTC Information: DTC Detecting Condition

Item		Detecting Condition	Possible Cause
DTC Strategy		Variant coding monitoring	Variant coding (auto/optional) is not done Faulty HECU EMS communication fault
Enable Condition		Normal battery voltage (9 to 16V) Ignition "ON"
Threshold Value	Case1	When ignition "ON", variant coding is started using EMS CAN If HECU is set up at the first time (no variant coding is done before) If engine volume/engine character/transmission information received from CAN is different from what stored in EEPROM If engine volume/engine character/transmission information received from CAN is different from specification define for the vehicle If engine data is not received because of CAN bus off or EMS timeout after ignition "ON" If 4WD message is received at non-4WD vehicle
	Case2	After ignition "ON", no optional variant value in EEPROM * Applicable for only vehicle which optional variant coding is applied
	Case3	After IGN On, no Auto Variant value in EEPROM * Applicable for only vehicle which auto variant coding is applied
Warning Lamp		EBD, ABS, ESP, DBC, AVH, EPB
Disable Condition	Case1	Variant coding is normal after ignition off/on
	Case2	Ignition off/on after optional variant coding
	Case3	Ignition off/on after auto variant coding