TSRM/MK4 Supra/Wiring Diagrams
Repair ManualWiring Diagrams
p.001

RWDM/Rear Window Defogger and Mirror Heater — Rear Window Defogger Relay, page 2

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Rear Window Defogger Relay — MK4 Supra Rear Window Defogger and Mirror Heater wiring diagram, page 2
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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 | N2 | 29 | R18 | B | 30
A14 | A | 28 | N3 | A | 30 | R19 | C | 30
H13 | 29 | R16 | 30
J1 | 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
I4 | 38 | COWL WIRE | I6 | 38 | FLOOR NO. 2 WIRE

A13 ○ ORANGE
A14 ○ ORANGE
H13 ORANGE

[Connector diagrams shown for A13, A14, H13, J1, N2/N3, R16/R17, R18, R19]

J1
N2, N3 ○
R16, R17
R18 ○ GREEN
R19 ○

(HINT : SEE PAGE 7)

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