TSRM/MK4 Supra/Wiring Diagrams
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OWD/Overall Electrical Wiring Diagram — 25 Supra (Cont'd), page 36

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25 Supra (Cont'd) — MK4 Supra Overall Electrical Wiring Diagram wiring diagram, page 36
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Page text (OCR transcript)
25 SUPRA (Cont'd)

Combination Meter

8

See Illumination System:6-4a-

ILLUMINATION

*L-Y-2E OF 1 SIDE

See Supplementary Restraint System(SRS) and Seat Belt Pretensioner:4-6a-

MAIN

O·D·OFF

TURN·RH

See Turn Signal and Hazard Warning Light System:7-3a-

TURN·LH

See Headlight System:5-3a~6-4a-

HIGH BEAM

TRAC

See Cruise Control System:11-2a-

CRUISE

BRAKE

To Engine Control System:1-3a-
(Tachometer, Instrument Panel Light Control, Malfunction Indicator Lamp)
See:3-3a-

B-W
B

7

To Rheostat:6-4a-

G·O

W-B

4
JUNCTION BLOCK
NO.4 ENGINE ROOM

W-B

See Electronically Controlled Transmission and A/T Indicator System:10-6a~16-6a-

From ABS and Traction ECU:1-3a-

ETM
R·W*1
(BR·W*2)

R·W
R·W
R1
R1
R1

0
BULB CHECK RELAY
INSIDE RELAY BOX

W-B

Inside Relay Box

P·W
ABS
R2

See Supplementary Restraint System(SRS) and Seat Belt Pretensioner:4-6a-

Buttconnector

(+B·BACK UP)
From P·W·S ECU:2-3a-
Referred to:4-3a-

BR·W
(USA)
BR·W

USA
NELA

BR-W
(USA)

BR·W

BR-W

6

To Rheostat:6-4a-

B-W(2)
B-W

FROM EFI

MASTER

From Warning Buzzer:3-4a-
Referred to:7-4a- (USA)

B-W

From Daytime Running Light Relay(Main)
:6-6a-

P.B.SKID SENSOR
SKP

BR

BR
BR
BR
BR

TACHO

BULB

From Engine Control Module (Engine Wire Harness):2a,1-2H
<2-3a->

BRMIN

Y-B
Y-B
Y-B
Y-B

FUEL SENDER GAUGE

Y-G
Y-G
Y-G
Y-G

ECT COOLANT TEMP SENDER GAGE
LEFT

OIL TANK LEVEL
L·S·F

FUEL

FUEL

Y-L
Y-L
Y-L
Y-L

WATER TEMP SENSOR

BR
BR

LIGHTS REMINDER
SWITCH

5

To Generator (Alternator):1-4a-

Y-G

Y
Y

L-W

Y-G

L-R

SPEED

R-Y

R-G

B

IGN

AM

VLR

LI

0

ENGINE OIL LEVEL SENSOR

BR

BR

BL

BL