For a complete wiring diagram Refer to Section 8W.When Monitored:With the ignition on and the Radio in Video mode.Set Condition:With the Radio in Video mode, the Radio does not detect a VES Video Screen.Possible CausesBAD VES VIDEO SCREEN CONNECTIONRADIO1. TEST VES VIDEO SCREEN CONNECTIONTurn the ignition off.Disconnect the VES Video Screen connector.Inspect the VES Video Screen connection.Was the VES Video Screen connection clean and secure?YesGo To 2 NoRepair the VES Video Screen connection as needed.Perform the BODY VERIFICATION TEST — VER1.(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE) 2. VES VIDEO SCREENRefer to the Audio System in the Service Information and test the VES Video Screen in accordance with the Service Procedure.Is the Antenna ok?Yes Go To 3 NoRepair or replace the VES Video Screen in accordance with the Service Information.Perform the BODY VERIFICATION TEST — VER1.(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE) 3. RADIOReconnect all previously disconnected components.Move vehicle outside approximately 30ft (9.14m) from any structure.Turn the ignition on.Turn the Radio on.With the scan tool, clear all DTC's, put the Radio in mode.With the scan tool, read DTC's.Does the scan tool display active: B142C-VES VIDEO SCREEN DISCONNECTED?YesReplace the Radio in accordance with the Service Information.Perform the BODY VERIFICATION TEST-VER1.(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE) NoTest Complete.