EG–578 ENGINE – 2JZ–GTE ENGINE TROUBLESHOOTING 4 Check IGN fuse. J/B No.1 IGN Fuse NO8417 P Remove IGN fuse from J/B No.1. C Check continuity of IGN fuse. OK Continuity OK NG Check for short in the harness and all the components connected to IGN fuse (See Electrical Wiring Diagram). 5 Check ignition switch. LOCK ACC ON START 3 2 1 8 7 6 5 4 BE3582 g-8-2 P (1) Remove finish lower panel and finish lower panel LH. (2) Remove heater to register duct No.2. C Check continuity between terminals. OK o——o continuity Terminal 1 2 3 4 5 7 8 Switch position LOCK ACC o——o ON o——o o——o——o START o——o——o o o——o——o OK NG Replace ignition switch. Check and repair harness and connector between battery and ignition switch, ignition switch and engine control module.