TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.240
WD/Wiring Diagrams241 / 277
p.242
Wiring Diagrams — MK4 Supra Wiring Diagrams, page 241
100%
A: System Title B: Indicates the wiring color. Wire colors are indicated by an alphabetical code. B = Black L = Blue R = Red BR = Brown LG = Light Green V = Violet G = Green O = Orange W = White GR = Gray P = Pink Y = Yellow The first letter indicates the basic wire color and the second letter indicates the color of the stripe. Example: L – Y (Blue) (Yellow) C: Indicates the connector to be connected to a part (the numeral indicates the pin No.) D: The position of the parts is the same as shown in the wiring diagram and wire routing. E: Indicates the pin number of the connector. The numbering system is different for female and male connectors. Example: Numbered in order from upper left to lower right Numbered in order from upper right to lower left Male Female The numbering system for the overall wiring dia- gram is the same as above. F: Indicates a Relay Block. No Shading is used and only the Relay Block No. is shown to distinguish it from the J/B. Example: O Indicates Relay Block No. 1. G: Junction Block (The number in the circle is the J/B No. and connector code is shown beside it). Junction Blocks are shaded to clearly separate them from other parts (different junc- tion blocks are shaded differently for further clarification.). Example: 6 (3B) 15 (3B) 3B indicates that it is inside Junction Block No. 3. H: Indicates related system. I: Indicates the wiring harness and wiring har- ness connector. The wiring harness with male terminal is shown with arrows (Y). Outside numerals are pin numbers. Male (Y) Female J: ( ) is used to indicate different wiring and connector, etc. when the vehicle model, engine type, or specification is different. K: Indicates a shielded cable. L: Indicates and located on ground point. M: The same code occuring on the next page indicates that the wire harness is continuous. 247