TSRM/MK3 Supra/Repair Manual
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Electrical Wiring Diagrams — MK3 Supra Electrical Wiring Diagrams, page 1
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Page text (OCR transcript)
ELECTRICAL WIRING
DIAGRAMS

HOW TO READ THIS SECTION
PIN NUMBER

Pin Number

Numbered in order
from upper left to
lower right

Numbered in order
from upper right to
lower left

[1] [2]
[3] [4]

1 2 3
4 5 6
Female
812929

3 2 1
6 5 4
Male

Male & female connectors distinguished by shape
of their internal pins.
• All connectors are shown from the open end,
and the lock is on top.

Female
812933

Male

※ When connectors with different numbers of terminals are used with
the same parts, the pin number and the numbers of terminals are
specified.
e.g. (1/4) = No. 1 pin/4 terminals connector

JUNCTION BLOCK OR RELAY BLOCK

Wire Color                    Block No.                    Wire Color
R-G                                    Z                                    R

Block Inside

WIRE COLOR

Wire colors are indicated by an alphabetical code.

B = Black           BR = Brown        G = Green         GR = Gray       L = Blue
LG = Light Green    O = Orange        P = Pink          R = Red         V = Violet
W = White           Y = Yellow

The 1st letter indicates the basic wire color and the 2nd indicates the stripe color.

Example: R-G indicates a Red wire with a Green stripe.

ABBREVIATION

The following abbreviations are used in this wiring diagram.

A.B.S. = Anti-Lock Brake System                    LH      = Left-Hand
A/C    = Air Conditioner                           M/T     = Manual Transmission
A/T    = Automatic Transmission                    O/D     = Overdrive
CB     = Circuit Breaker                           P       = Park
CD     = Compact Disc                              PPS     = Progressive Power Steering
COMB.  = Combination                               RH      = Right-Hand
ECT    = Electronic Controlled Transmission        SW      = Switch
ECU    = Electronic Controlled Unit                TCCS    = Toyota Computer Controlled System
EFI    = Electronic Fuel Injection                 TEMS    = Toyota Electronic Modulated Suspension
EGR    = Exhaust Gas Recirculation                 VSV     = Vacuum Switching Valve
F      = Fuse                                      w       = With
ISC    = Idle Speed Control                        w/o     = Without