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Home >> Infiniti >> 2018 >> QX80 AWD >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Audio System & Navigation System (DTCS) >> Multi Av (Display Control Unit) >> DTC U12C0: RSE Control Unit Conn >> DTC Diagnosis Procedure
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DTC Diagnosis Procedure

  1. CHECK VIDEO DISTRIBUTOR POWER SUPPLY AND GROUND CIRCUIT 

    Check video distributor power supply and ground circuit. Refer to Diagnosis Procedure .

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Repair or replace malfunctioning parts.

  2. CHECK AV COMMUNICATION CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect display control unit connector and video distributor connector.
    3. Check the continuity between display control unit connector and video distributor connector.

      Display control unit

      Video distributor

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      M234

      46

      M236

      40

      Yes

      58

      20

    Is the inspection result normal?

    YES

    Replace video distributor. Refer to VIDEO DISTRIBUTOR : Removal & Installation .

    NO

    Repair or replace malfunctioning parts.