TSRM/MK4 Supra/Wiring Diagrams
Repair ManualWiring Diagrams
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HORN/Horn, page 1

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Horn — MK4 Supra Horn wiring diagram, page 1
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Page text (OCR transcript)
HORN

FROM POWER SOURCE SYSTEM (SEE PAGE 56)

15A
HA2–HORN

C13 BLACK
H8 BLACK
H9 BLACK

Z1

W

Z2

HORN
RELAY

L–R

L–B

1B
IB2

L–R

L–B

E2: 2JZ–GTE
E18: 2JZ–GE

TO THEFT
DETERRENT
ECU

L–R

I2

L–B

L–B

L–B

10

C13
HORN SW
(COMB. SW)

H8
HORN LH

H9
HORN RH

SERVICE HINTS

HORN RELAY
(2) 2–(2) 3: CLOSED WITH HORN SW ON

: PARTS LOCATION

CODE
C13
H8

SEE PAGE
28
24 (2JZ–GTE)

CODE
H8
H9

SEE PAGE
27 (2JZ–GE)
24 (2JZ–GTE)

CODE
H9

SEE PAGE
27 (2JZ–GE)

: RELAY BLOCKS

CODE
2

SEE PAGE
22

RELAY BLOCKS (RELAY BLOCK LOCATION)
R/B NO. 2 (ENGINE COMPARTMENT LEFT)

: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS

CODE
IB2

SEE PAGE
36

JOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
ENGINE ROOM MAIN WIRE AND COWL WIRE (LEFT KICK PANEL)

: SPLICE POINTS

CODE
E2
E18

SEE PAGE
32
34

WIRE HARNESS WITH SPLICE POINTS
ENGINE ROOM MAIN WIRE

CODE
I2

SEE PAGE
38

WIRE HARNESS WITH SPLICE POINTS
COWL WIRE

129