Display Control Unit Circuit Inspection

1. Turn ignition switch OFF.
2. Disconnect battery cable from the negative terminal.
3. Check terminals and connector of display control unit for damage, bend and loose connection (control unit side and harness side).

OK or NG 

OK: GO TO 2.

NG: Repair terminal or connector.

1. Disconnect display control unit connector.
2. Check resistance between display control unit harness connector terminals.
   DISPLAY CONTROL UNIT HARNESS CONNECTOR
   
   

   Display control unit connector	Terminal		Resistance (approx.)
   M95	25	26	54 - 66 Ω

   Fig 1: Checking Resistance Between Display Control Unit Harness Connector Terminals

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

OK or NG 

OK: Replace display control unit.

NG: Repair harness between display control unit and data link connector.