TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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WD/Wiring Diagrams — Service Hints, page 206

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Service Hints — MK4 Supra Wiring Diagrams, page 206
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Page text (OCR transcript)
SERVICE HINTS
REAR WINDOW DEFOGGER RELAY
(4) 3 –(4) 5 : CLOSED WITH IGNITION SW AT ON POSITION AND REAR WINDOW DEFOGGER SW [HEATER CONTROL SW] ON

: PARTS LOCATION
CODE    SEE PAGE    CODE    SEE PAGE    CODE    SEE PAGE
A13  B  28          N 2     29          R18  B  30
A14  A  28          N 3  A  30          R19  C  30
H13     29          R16     30
J 1     29          R17     30

: RELAY BLOCKS
CODE    SEE PAGE    RELAY BLOCKS (RELAY BLOCK LOCATION)
4       23          R/B NO. 4 (LEFT KICK PANEL)

: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CODE    SEE PAGE    JUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)
1C      20          FLOOR NO. 2 WIRE AND J/B NO.1 (LEFT KICK PANEL)
1D      20          FRONT DOOR LH WIRE AND J/B NO.1 (LEFT KICK PANEL)
1H
1J      20          COWL WIRE AND J/B NO.1 (LEFT KICK PANEL)
1K

: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CODE    SEE PAGE    JOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
IC2     36          FLOOR NO. 2 WIRE AND COWL WIRE (LEFT KICK PANEL)
IF1     36          INSTRUMENT PANEL WIRE AND COWL WIRE (INSTRUMENT PANEL REINFORCEMENT LH)
IL1     38          FRONT DOOR RH WIRE AND INSTRUMENT PANEL WIRE (RIGHT KICK PANEL)
BM1     40          BACK DOOR NO. 1 WIRE AND FLOOR NO. 2 WIRE (LEFT SIDE OF PACKAGE TRAY TRIM)
BO1     40          BACK DOOR NO. 2 WIRE AND BACK DOOR NO. 1 WIRE (BACK DOOR UPPER LEFT)

: GROUND POINTS
CODE    SEE PAGE    GROUND POINTS LOCATION
IE      36          LEFT KICK PANEL
IH      36          RIGHT KICK PANEL

: SPLICE POINTS
CODE    SEE PAGE    WIRE HARNESS WITH SPLICE POINTS    CODE    SEE PAGE    WIRE HARNESS WITH SPLICE POINTS
I 4     38          COWL WIRE                           I 6     38          FLOOR NO. 2 WIRE

A13 B ORANGE
A14 A ORANGE
H13 ORANGE

J 1
N 2, N 3 A
R16, R17
R18 B GREEN
R19 C

(HINT : SEE PAGE 7)

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