Courtesy Lights Do Not Light When Unlock Function Is
Operated, But Operate Normally When Any Door Is Open (Door
Locks Operate Okay)
1) Turn ignition off. Disconnect keyless entry receiver connectors. Connect test light between Pink wire and ground. If test light lights, repair short to voltage in Pink wire.
2) If test light does not light, connect a 10-amp fused jumper wire between keyless entry receiver connector White wire ("A" body) or Dark Blue wire ("W" Body) and ground. If courtesy lights do not light, repair open circuit in White or Dark Blue wire. If courtesy lights do light, check keyless entry receiver connectors for poor connection. If connection is okay, replace keyless entry receiver.