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 sound enhancement function are deactivated.		B1F01
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
	Preset switch	Switch operation does not operate. NOTE: Symptom other than an item may occur.	U1240
	CAN gateway	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	TCU	Telematics system does not function.	U1266
Multifunction switch	Multifunction switch operation does not operate.		U12BA
Satellite radio antenna	Satellite radio is not received.		U1258
Radio antenna	Radio is not received.		U12BE
Speaker/squawker/tweeter/woofer	No sound from malfunction speaker		U1601 U1603 U1609 U160B U162A U1708 U1710 U1752 U175A U175D U1765