DTC Information: DTC Detecting Condition

Item		DTC Detecting Condition	Possible Cause
DTC Strategy	Case1	Open stop position out of range	VCMA stuck by carbon or foreign objects in intake manifold Poor connection or damaged harness Damaged linkage VCM
	Case2	Open stop position out of range
	Case3	Close stop position out of range
	Case4	Close stop position out of range
	Case5	Stuck in range or weak DC-motor
	Case6	Open stop position exceeded
	Case7	Close stop position exceeded
	Case8	Polluted intake manifold at port flap operation area
	Case9	Deformed linkage of the port flap
Enable Condition	Case1	Ignition "ON" Delay after setpoint is given higher than 0.4s First adaption has been occurred
	Case2	Ignition "ON" Delay after setpoint is given higher than 0.4s
	Case3	Ignition "ON" Delay after setpoint is given higher than 0.4s First adaption has been occurred
	Case4	Ignition "ON" Delay after setpoint is given higher than 0.4s
	Case5	Ignition "ON" Port set-point change Close -> Open or Open -> Close Delay after setpoint change close -> open higher than 1.8s Delay after setpoint change open -> close higher than 1.8s Battery voltage higher than 11V and lower than 16V
	Case6	Ignition "ON" Port set-point change Close -> Open or Open -> Close Delay after setpoint change close -> open higher than 1.3s Delay after setpoint change open -> close higher than 1.3s Battery voltage higher than 11V and lower than 16V
	Case7	Ignition "ON" Port set-point change Close -> Open or Open -> Close Delay after setpoint change close -> open higher than 1.3s Delay after setpoint change open -> close higher than 1.3s Battery voltage higher than 10V and lower than 16V
	Case8	Ignition "ON" Delay after setpoint is given higher than 0.4s First adaption has been occurred Port Flap Adaptation has been occurred
	Case9	Ignition "ON" Delay after setpoint is given higher than 0.4s First adaption has been occurred Port Flap Adaptation has been occurred
Threshold Value	Case1	Port flap feedback signal is lower than 3.3525V and higher than 2.485V
	Case2	Port flap feedback signal is lower than 3.3525V and higher than 2.485V
	Case3	Port flap feedback signal is lower than 2.295V and higher than 1.255V
	Case4	Port flap feedback signal is lower than 2.295V and higher than 1.255V
	Case5	Port flap feedback signal is higher than 2.345V and lower than 2.435V
	Case6	Port flap feedback signal is higher than 3.525V and lower than 4.351V
	Case7	Port flap feedback signal is higher than 0.752V and lower than 1.255V
	Case8	Difference between actual running adapted value and first adapted value for closed area and open area is higher than 0.3V Number of drift threshold checks exceeded is higher than 5 or equal to 5
	Case9	Difference between actual running adapted value and first adapted value for closed area and open area is higher than 0.3V Number of drift threshold checks exceeded is higher than 5 or equal to 5
Diagnostic Time	Case1	Immediate
	Case2	Immediate
	Case3	Immediate
	Case4	Immediate
	Case5	0.3s
	Case6	0.3s
	Case7	0.3s
	Case8	Immediate
	Case9	Immediate
MIL ON Condition	Case1	2 driving cycles
	Case2	2 driving cycles
	Case3	2 driving cycles
	Case4	2 driving cycles
	Case5	1 driving cycle
	Case6	1 driving cycle
	Case7	1 driving cycle
	Case8	2 driving cycles
	Case9	2 driving cycles