TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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WD/Wiring Diagrams45 / 277
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POWER SOURCE (Current Flow Chart) — MK4 Supra Wiring Diagrams, page 45
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POWER SOURCE (Current Flow Chart) The chart below shows the route by which current flows from the battery to each electrical source (Fusible Link, Circuit Breaker, Fuse, etc.) and other parts. The next page and following pages show the parts to which each electrical source outputs current. 20A RAD No. 1 7.5A DOME 7.5A ALT–S 15A HAZ–HORN 15A FOG 30A EFI No. 1 (2JZ–GTE) 30A FAN 2 50A HTR 60A ABS No. 1 2 68 Generator (Alternator) G1 60A POWER 2 50A AM1 (For USA) 60A AM1 (For Canada) 2 56, 96 Taillight Relay (Point Side) 1 102, 108, 122, 130 30A DOOR 15A STOP 1 10A ECU–B 30A DEFOG 1 56, 60, 64 Ignition SW (AM1) I19 140, 150 15A HEAD (LH) (For USA) 15A HEAD (LH–LWR) (For Canada) 15A HEAD (RH) (For USA) 15A HEAD (RH–LWR) (For Canada) 2 7.5A DRL 2 15A HEAD (LH–UPR) (For Canada) 15A HEAD (RH–UPR) (For Canada) 2 120A ALT 2 60, 64 Starter S2 Battery 50A MAIN 2 56, 94 96, 108, Headlight Relay 2 130 (Canada) 30A EFI No. 2 30A ABS No. 2 2 7.5A TRAC (2JZ–GTE) 56, 96 Dimmer Relay (Daytime Running Light Relay No. 2) 2 (Canada) 30A AM2 2 56, 60, 64 Ignition SW (AM2) I19 70, 82, 140, 150 7.5A IGN 1 — Example — 2 Starter S3 Code or Location Parts *Page Nos. of Related Systems 15A DOME 2 Location Electrical Source * These are the page numbers of the first page on which the related system is shown. The part indicated is located somewhere in the system, not necessarily on the page indicated here. (2JZ–GTE) (2JZ–GE) [LOCATION] (1) : J/B No. 1 (See page 20) (2) : R/B No. 2 (See page 22) (3) : R/B No. 4 (See page 23) 44