Rear Sunshade Relay Communication Circuit

Check rear sunshade switch and relay. See REAR SUNSHADE SWITCH & RELAY  under COMPONENT TESTS. Replace as necessary. If rear sunshade switch and/or relay are okay, check wiring between rear sunshade switch, relay and body No. 3 ECU. See WIRING DIAGRAMS . Repair or replace as necessary. If circuits are okay, go to next test listed in BODY NO. 3 CONTROL SYSTEM  table under TROUBLE SHOOTING .