AV CONTROL UNIT : Diagnosis Procedure

WARNING: This page is about a different variant/trim than selected.

CHECK FUSE

Check that the following fuses of the AV control unit are not blown.

FUSES REFERENCE

Unit	Terminals	Signal name	Fuse No.
AV control unit	20	Battery power	24
	7	Ignition switch ACC or ON	19
	10	Ignition switch ON or START	3

Are the fuses OK?

YES: GO TO 2

NO: Be sure to eliminate cause of malfunction before installing new fuse.

CHECK POWER SUPPLY CIRCUIT

Check voltage between AV control unit harness connector and ground.

AV CONTROL UNIT AND GROUND VOLTAGE SPECIFICATION

Signal name	Connector No.	Terminal No.	Ignition switch position	Value (Approx.)
Battery power supply	M47	20	OFF	Battery voltage
ACC power supply		7	ACC
Ignition signal		10	ON

Fig 1: Checking Voltage Between AV Control Unit Harness Connector And Ground

Courtesy of NISSAN MOTOR CO., U.S.A.

Are the voltage tests as specified?

YES: GO TO 3

NO: Check harness between AV control unit and fuse.

CHECK GROUND CIRCUIT

Check continuity between AV control unit harness connector M47 terminal 19 and ground.

AV CONTROL UNIT AND GROUND CONTINUITY SPECIFICATION

Signal name	Continuity
Ground	Continuity should exist.

Fig 2: Checking Continuity Between AV Control Unit Harness Connector M47 Terminal 19 And Ground

Courtesy of NISSAN MOTOR CO., U.S.A.

Does continuity exist?

YES: Inspection End.

NO: Repair harness or connector.