NAVI Screen is Rolling

1. Turn ignition switch OFF.
2. Disconnect NAVI control unit connector and display control unit connector.
3. Check continuity between NAVI control unit and display control unit.
   NAVI CONTROL UNIT AND DISPLAY CONTROL UNIT
   
   

   Terminals				Continuity
   NAVI control unit		Display control unit
   Connector	Terminal	Connector	Terminal
   B40	16	M95	43	Yes
   	14		41

4. Check continuity between NAVI control unit and ground.
   NAVI CONTROL UNIT AND GROUND
   
   

   Terminals			Continuity
   NAVI control unit		-
   Connector	Terminal
   B40	16	Ground	No
   	14

   Fig 1: Checking Continuity Between NAVI Control Unit & Display Control Unit And NAVI Control Unit & Ground

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

OK or NG 

OK: GO TO 2.

NG: Repair harness.

1. Connect NAVI control unit connector and display control unit connector.
2. Turn ignition switch ON.
3. Check signal between NAVI control unit connector M95 terminals 16 and 14 with CONSULT-II or oscilloscope.

   16 - 14: Refer to  TERMINALS AND REFERENCE VALUE FOR NAVI CONTROL UNIT   . 

Fig 2: Checking Signal Between NAVI Control Unit Connector M95 Terminals 16 And 14

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

OK or NG 

OK: GO TO 3.

NG: Replace NAVI control unit. Refer to NAVI CONTROL UNIT  .

1. Turn ignition switch OFF.
2. Disconnect display control unit connector and display unit connector.
3. Check continuity between display control unit and display unit.
   DISPLAY CONTROL UNIT AND DISPLAY UNIT
   
   

   Terminals				Continuity
   Display control unit		Display unit
   Connector	Terminal	Connector	Terminal
   M95	56	M93	19	Yes
   	49		21

4. Check continuity between display control unit and ground.
   DISPLAY CONTROL UNIT AND GROUND
   
   

   Terminals			Continuity
   Display control unit		-
   Connector	Terminal
   M95	56	Ground	No
   	49

   Fig 3: Checking Continuity Between Display Control Unit & Display Unit And Display Control Unit & Ground

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

OK or NG 

OK: GO TO 4.

NG: Repair harness.

1. Connect display control unit connector and display unit connector.
2. Turn ignition switch ON.
3. Check signal between display unit connector M93 terminals 19 and 21 with CONSULT-II or oscilloscope.

   19 - 21: Refer to , " TERMINALS AND REFERENCE VALUE FOR DISPLAY CONTROL UNIT  ". 

Fig 4: Checking Signal Between Display Unit Connector M93 Terminals 19 And 21

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

OK or NG 

OK: Replace display unit. Refer to DISPLAY UNIT  .

OK: Replace display control unit. Refer to DISPLAY CONTROL UNIT  .