Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK AV COMMUNICATION LOW CIRCUIT CONTINUITY

Turn ignition switch OFF.
Disconnect AV control unit connector M163, data link connector, combination meter connector M23, multifunction switch connector and Bose speaker amp. connector B149.

Check continuity between AV control unit connector M163 and data link connector M22.

AV control unit		Data link		Continuity
Connector	Terminal	Connector	Terminal	Continuity
M163	23	M22	3	Yes

Check continuity between AV control unit connector M163 and combination meter connector M23.

AV control unit		Combination meter		Continuity
Connector	Terminal	Connector	Terminal	Continuity
M163	23	M23	49	Yes

Check continuity between AV control unit connector M163 and multifunction switch connector M259.

AV control unit		Multifunction switch		Continuity
Connector	Terminal	Connector	Terminal	Continuity
M163	23	M259	4	Yes

Check continuity between AV control unit connector M163 and Bose speaker amp. connector B149.

AV control unit		Bose speaker amp.		Continuity
Connector	Terminal	Connector	Terminal
M163	23	B149	51	Yes
	21		52

Check continuity between AV control unit connector M163 and ground.

AV control unit		Ground	Continuity
Connector	Terminal
M163	23	-	No
	21

Is the inspection result normal?

YES

GO TO 2

Repair or replace harness or connectors.

CHECK AV COMMUNICATION HIGH CIRCUIT CONTINUITY