Self-Diagnosis Results

WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

Only Unit Part Is Displayed In Red.

Screen switch	Description	Possible malfunction location / Action to take
DCU	Malfunction is detected in display control unit power supply and ground circuits.	Check display control unit power supply and ground circuits. Refer to Diagnosis Procedure . When no malfunction is detected in those circuits, replace display control unit. Refer to Removal and Installation .
Navigation unit	Malfunction is detected in NAVI control unit power supply and ground circuits.	Check NAVI control unit power supply and ground circuits. Refer to Diagnosis Procedure . When no malfunction is detected in those circuits, replace NAVI control unit. Refer to Removal and Installation .
GPS Antenna	Malfunction is detected in GPS antenna signal circuit.	Check GPS antenna signal circuit. Refer to Diagnosis Procedure When no malfunction is detected in the circuit, replace GPS antenna. Refer to Removal and Installation .
Meter	Malfunction is detected in combination meter power supply and ground circuits.	Check combination meter power supply and ground circuits. Refer to Diagnosis Procedure . When no malfunction is detected in those circuits, replace combination meter. Refer to Removal and Installation .
TCU2	Malfunction is detected in TCU power supply and ground circuits.	Check TCU power supply and ground circuits. Refer to Diagnosis Procedure . When no malfunction is detected in those circuits, replace TCU. Refer to Removal and Installation .
AVM	Malfunction is detected in around view monitor control unit power supply and ground circuits.	Check around view monitor control unit power supply and ground circuits. Refer to Diagnosis Procedure . When no malfunction is detected in those circuits, replace around view monitor control unit. Refer to Removal and Installation .
Switches	Malfunction is detected in multifunction switch power supply and ground circuits.	Check multifunction switch power supply and ground circuits. Refer to Diagnosis Procedure . When no malfunction is detected in those circuits, replace multifunction switch. Refer to Removal and Installation .
Audio Head Unit	Malfunction is detected in AV control unit power supply and ground circuits.	Check AV control unit power supply and ground circuits. Refer to Diagnosis Procedure . When no malfunction is detected in those circuits, replace AV control unit. Refer to Removal and Installation .
Radio Antenna	Malfunction is detected in AM-FM main signal circuit.	Check AM-FM main signal circuit. Refer to Diagnosis Procedure . When no malfunction is detected in the circuit, replace Antenna base. Refer to Location of Antennas .
SXM Antenna	Malfunction is detected in satellite radio antenna signal circuit.	Check satellite radio antenna signal circuit. Refer to Diagnosis Procedure . When no malfunction is detected in the circuit, replace satellite antenna. Refer to Removal and Installation .
Bose® Amp.	Malfunction is detected in Bose speaker amp. power supply and ground circuits.	Check Bose speaker amp. power supply and ground circuits. Refer to Diagnosis Procedure . When no malfunction is detected in those circuits, replace Bose speaker amp. Refer to Removal and Installation .
RSE	Malfunction is detected in video distributor power supply and ground circuits.	Check video distributor power supply and ground circuits. Refer to Diagnosis Procedure . When no malfunction is detected in those circuits, replace video distributor. Refer to Removal and Installation .
Left Rear Display	Malfunction is detected in headrest display unit LH power supply and ground circuits.	Check headrest display unit LH power supply and ground circuits. Refer to Diagnosis Procedure . When no malfunction is detected in those circuits, replace headrest display unit LH. Refer to Removal and Installation .
Right Rear Display	Malfunction is detected in headrest display unit RH power supply and ground circuits.	Check headrest display unit RH power supply and ground circuits. Refer to Diagnosis Procedure . When no malfunction is detected in those circuits, replace headrest display unit RH. Refer to Removal and Installation .

A Connecting Cable Between Units Is Displayed In Yellow.

Area with yellow connection lines	Description	Possible malfunction location / Action to take
DCU <=> Navigation unit	USB communication circuits between display control unit and NAVI control unit are malfunctioning.	USB communication circuits between display control unit and NAVI control unit. Refer to Diagnosis Procedure .
Navigation unit <=> GPS Antenna	GPS antenna connection malfunction detected.	GPS antenna disconnected. Refer to Diagnosis Procedure
DCU <=> Meter	AV communication circuits between display control unit and combination meter are malfunctioning.	AV communication circuits between display control unit and combination meter. Refer to Diagnosis Procedure .
DCU <=> TCU2	AV communication circuits between display control unit and TCU are malfunctioning.	AV communication circuits between display control unit and TCU. Refer to Diagnosis Procedure .
DCU <=> AVM	AV communication circuits between display control unit and around view monitor control unit are malfunctioning.	AV communication circuits between display control unit and around view monitor control unit. Refer to Diagnosis Procedure .
DCU <=> Switches	AV communication circuits between display control unit and multifunction switch are malfunctioning.	AV communication circuits between display control unit and multifunction switch Refer to Diagnosis Procedure .
DCU <=> Audio Head Unit	AV communication circuits between display control unit and AV control unit are malfunctioning.	AV communication circuits between display control unit and AV control unit. Refer to Diagnosis Procedure .
Audio Head Unit <=> Radio Antenna	AM-FM antenna connection malfunction detected.	AM-FM antenna disconnected. Refer to Diagnosis Procedure .
Audio Head Unit <=> SXM Antenna	Satellite antenna connection malfunction detected.	Satellite antenna disconnected. Refer to Diagnosis Procedure .
DCU <=> Bose® Amp.	AV communication circuits between display control unit and Bose speaker amp. are malfunctioning.	AV communication circuits between display control unit and Bose speaker amp. Refer to Diagnosis Procedure .
DCU <=> RSE	AV communication circuits between display control unit and video distributor are malfunctioning.	AV communication circuits between display control unit and video distributor. Refer to Diagnosis Procedure .
RSE <=> Left Rear Display	Headrest display unit LH connection malfunction detected.	Headrest display unit LH disconnected. Refer to Diagnosis Procedure .
RSE <=> Right Rear Display	Headrest display unit RH connection malfunction detected.	Headrest display unit RH disconnected. Refer to Diagnosis Procedure .