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Vehicle Condition Setting Is Not Possible

CHECK HARNESS

Turn ignition switch OFF.
Disconnect connectors of combination meter, BCM, and AV and NAVI control unit.

Check continuity AV and NAVI control unit harness connector B29 terminals 33, 32 and BCM harness connector M4 terminals 31, 30.

CONNECTOR TERMINALS CONTINUITY SPECIFICATIONS

Terminals				Continuity
AV and NAVI control unit (+)		Combination meter (-)
Connector	Terminal	Connector	Terminal
B29	33	M4	31	Yes
B29	32	M4	30	Yes

Check continuity between AV and NAVI control unit harness connector B29 terminals 33, 32 and ground.

CONNECTOR TERMINALS CONTINUITY SPECIFICATIONS

Terminals			Continuity
AV and NAVI control unit (+)		(-)
Connector	Terminal	(-)
B29	33	Ground	No
B29	32	Ground	No

OK or NG

OK : GO TO 2.
NG : Repair harness or connector.

Fig 1: Identifying Continuity Between AV And NAVI Control Unit Harness Connector B29 Terminals 33, 32 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

CHECK COMMUNICATION SIGNAL (AV-ME)
1. Connect connectors of combination meter, BCM, and AV and NAVI control unit.
2. Turn ignition switch ON and display "VEHICLE ELECTRONIC SYSTEMS" screen.
3. Check voltage signal between AV and NAVI control unit harness connector B29 terminal 33 and ground.
  33 - Ground:
  
  Fig 2: Voltage Signal Graph
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK : GO TO 3.
2. NG : Replace AV and NAVI control unit.
  
  Fig 3: Identifying Voltage Signal Between AV And NAVI Control Unit Harness Connector B29 Terminal 33 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK COMMUNICATION SIGNAL (ME-AV)
1. Turn ignition switch ON and display "VEHICLE ELECTRONIC SYSTEMS" screen.
2. Check voltage signal between AV and NAVI control unit harness connector B29 terminal 32 and ground.
  32 - Ground:
  
  Fig 4: Voltage Signal Graph
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 5: Identifying Voltage Signal Between AV And NAVI Control Unit Harness Connector B29 Terminal 32 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK : Replace AV and NAVI control unit.
2. NG : Replace BCM.