For a complete wiring diagram Refer to Section 8W.When Monitored:With the ignition on and the Radio in seek mode.Set Condition:With the Radio in seek mode for two loops around the band. The Radio does not detect an Antenna connection or does not receive a Radio station signal.Possible CausesBAD ANTENNA CONNECTIONRADIO1. TEST ANTENNATurn the ignition off.Disconnect the Radio Antenna connector.Inspect the Radio Antenna connection.Was the Antenna connection clean and secure?YesGo To 2 NoRepair the Antenna connection as needed.Perform the BODY VERIFICATION TEST — VER1.(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE) 2. ANTENNARefer to the Audio System in the Service Information and test the antenna in accordance with the Service Procedure.Is the Antenna ok?Yes Go To 3 NoRepair or replace the Antenna assembly 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 seek up and down mode for 2 loops around the band cycle before proceeding.With the scan tool, read DTC's.Does the scan tool display active: B142D-AUDIO ANTENNA NOT CONNECTED?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.