TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.110

WD/Wiring Diagrams — Service Hints, page 111

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p.112
Service Hints — MK4 Supra Wiring Diagrams, page 111
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Page text (OCR transcript)
SERVICE HINTS
TURN SIGNAL FLASHER
(4) 1–GROUND : CHANGES FROM APPROX.12 VOLTS TO 0 VOLTS WITH IGNITION SW ON AND TURN SIGNAL SW LEFT OR RIGHT,
 OR WITH HAZARD WARNING SW ON
(4) 2–GROUND : APPROX. 12 VOLTS WITH IGNITION SW ON OR HAZARD WARNING SW ON
(4) 3–GROUND: ALWAYS CONTINUOUS

: PARTS LOCATION
CODE | SEE PAGE
C10 B | 28
C12 A | 28
C13 | 28
F 7 | 24 (2JZ–GTE)

CODE | SEE PAGE
F 7 | 26 (2JZ–GE)
F 8 | 24 (2JZ–GTE)
 | 26 (2JZ–GE)
H10 | 29

CODE | SEE PAGE
J 1 | 29
R 9 | 30
R10 | 30

: RELAY BLOCKS
CODE | SEE PAGE | RELAY BLOCKS (RELAY BLOCK LOCATION)
2 | 22 | R/B NO. 2 (ENGINE COMPARTMENT LEFT)
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)
1A | 20 | ENGINE ROOM MAIN WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1C | 20 | FLOOR NO. 2 WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1E | 20 | INSTRUMENT PANEL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1H | 20 | COWL WIRE AND J/B NO. 1 (LEFT KICK PANEL)

: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CODE | SEE PAGE | JOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
IB1 | 36 | ENGINE ROOM MAIN WIRE AND COWL WIRE (LEFT KICK PANEL)
IF1 | 36 | INSTRUMENT PANEL WIRE AND COWL WIRE (INSTRUMENT PANEL REINFORCEMENT LH)

: GROUND POINTS
CODE | SEE PAGE | GROUND POINTS LOCATION
EA | 32 (2JZ–GTE)
 | 34 (2JZ–GE) | FRONT SIDE OF RIGHT FENDER
EB | 32 (2JZ–GTE)
 | 34 (2JZ–GE) | FRONT SIDE OF LEFT FENDER
IE | 36 | LEFT KICK PANEL
IH | 36 | RIGHT KICK PANEL
BI | 40 | LEFT QUARTER PILLAR
BJ | 40 | LOWER BACK PANEL CENTER

: SPLICE POINTS
CODE | SEE PAGE | WIRE HARNESS WITH SPLICE POINTS
E 2 | 32 | ENGINE ROOM MAIN WIRE
E18 | 34 |
I 2 | 38 | COWL WIRE

CODE | SEE PAGE | WIRE HARNESS WITH SPLICE POINTS
I 3 | 38 | INSTRUMENT PANEL WIRE
B 5 | 40 | FLOOR NO. 2 WIRE

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