Fail-Safe (Display Control Unit)

If a malfunction occurs in the Infiniti InTouch, display control unit performs fail-safe activation according to the detected malfunction.

Detection item	Infiniti InTouch operation in fail-safe mode		DTC
Engine speed signal	Active noise cancellation and active sound enhancement function are deactivated.		B1F01
Front microphone	Active noise cancellation function is deactivated.		B1F0B B1F0C B1F0D B1F0E
CAN communication	The system using the CAN communication signal from control unit which cannot communicate does not function.		U1000
CAN communication	The system using the CAN communication signal does not function.		U1010
Display control unit	Display is not displayed. Display control unit restart. Display control unit freezes. NOTE: Symptom other than an item may occur.		U121F
Configuration	A function of display control unit becomes mismatched with a vehicle specification and destination.		U1223
BOSE amp.	BOSE system does not function.		U1231
Steering angle sensor	Predictive course line is not displayed.		U1232
NAVI control unit	Map is not displayed. Navigation screen does not operate. NOTE: Symptom other than an item may occur.		U1233
AV control unit	Sound is not output by a speaker. CD is not played. Radio does not operate. NOTE: Symptom other than an item may occur.		U1234
GPS antenna	The vehicle positions of a navigation screen differ.		U1244
AV communication	AV control unit	Sound is not output by a speaker. CD is not played. Radio does not operate. NOTE: Symptom other than an item may occur.	U1249
	BOSE amp.	Sound is not output by a speaker.	U124E
	Integral switch	Integral switch display is not displayed. Switch operation does not operate. Touch panel operation does not operate. NOTE: Symptom other than an item may occur.	U1259
	Around view monitor control unit	Camera image is not displayed.	U125B
	Combination meter	Audio information is not displayed by the information display in the combination meter. Navigation indicator is not displayed by the information display in the combination meter. Steering switch does not operate.	U1267
	Display control unit	The system of ECU which detected abnormalities does not operate.	U1300
	Display control unit	The system which is using AV communication does not operate.	U1310
USB communication	NAVI control unit	A navigation menu cannot be selected (hatching display).	U125D
USB communication	External data input box	Audio equipment which connected to USB do not operate.	U12B7
Rear view camera	Rear camera image is not displayed.		U12B8
Multifunction switch	Multifunction switch operation does not operate.		U12BA
Radio antenna	Radio is not received.		U12BE
Speaker/squawker/tweeter/woofer	With BOSE system
	Front door woofer	No sound from front door woofer LH or RH.	U1601 U1609
	Front door squawker	No sound from front door squawker LH or RH.	U1602 U160A
	Tweeter	No sound from tweeter LH or RH.	U1603 U160B
	Front squawker	No sound from front squawker LH or RH.	U1626 U162E
	Front center squawker	No sound from front center squawker.	U162A
	Rear door speaker	No sound from rear door speaker LH or RH.	U1708 U1710
	Rear satellite speaker	No sound from rear satellite speaker LH or RH.	U1722 U172A
	Rear woofer	No sound from rear woofer.	U1725
	Without BOSE system
	Front door speaker	No sound from front door speaker LH or RH.	U1600 U1608
	Rear door speaker	No sound from rear door speaker LH or RH.	U1708 U1710