AV Communication Line Inspection

1. Turn ignition switch OFF.
2. Disconnect display unit connector and A/C and AV switch connector.
3. Check continuity between display unit and A/C and AV switch.
   Fig 1: Terminal Continuity Chart

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 2: Checking Continuity Between Display Unit And A/C And AV Switch

   Courtesy of NISSAN MOTOR CO., U.S.A.
4. Check continuity between display unit and ground.
   Fig 3: Terminal Continuity Chart

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

OK or NG 

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

Fig 4: Checking Continuity Between Display Unit And Ground

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

Replace same normal A/C and AV switch and recheck the symptom.

Is the function normal? 

1. YES : Replace A/C and AV switch.
2. NO : Replace display unit.