TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.248

WD/Wiring Diagrams — 4 Supra (Cont'd), page 249

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p.250
4 Supra (Cont'd) — MK4 Supra Wiring Diagrams, page 249
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Page text (OCR transcript)
4 SUPRA (Cont'd)

Engine Control (for 2JZ-GE)

*1 California
*2 Except California

BR

V12
MAF/MAF AIR
FLOW METER
(FLOW METER)

LG-B
L-R
P-L

BR-B

BR-B
BR-B

BR-B

To Cruise Control
ECU<17-3>

T2
THROTTLE POSITION
SENSOR

R
Y
L-R

BR-B

A.5
A/T FLUID
TEMP. SENSOR

O
(A/T)

BR-B

E.1
EGR GAS TEMP. SENSOR

BR-Y

BR-B

E-3
ENGINE COOLANT TEMP. SENSOR
(EFI WATER TEMP. SENSOR)

L-Y

From Stop Light SW
<7-4>
G-W

From Diode
(for Idle-Up)<20-3>
R-Y

From Telltale
Light RH<25-1>

From Igniter
<2-4>
R-Y
R-W

V.6
VSV(for Fuel
Pressure Up)
B-R
(*1)

V.2
VSV(for EGR)
B-R

V.3
VSV(for EVAP)
B-R

V.1
VSV(for ACIS)
B-R

I.1
IDLE AIR CONTROL VALVE
(ISC VALVE)

G-O
V-Y
R-G
G-W

B-R
B-R

B-R

B-O

BR-W
(*1)

B-R

B-W

B (A/T)
B-W (A/T)
GR
GR-B (A/T)
B-Y
LG
GR-R(A/T)
P-G
Y-L

L-O

STA
ACMG
OD.1
AC

IDI
VTA1

OIL

TH3

THW

STP
BLS

SPL
GF
GT
GT

FPU (*1)

EGR

EVAP

ACIS
E10

ISC1
ISC3
ISC4
ISC2

HT1
HT3

NSW

A-REL
BATT
VFI
TE2
TE1
L-O
Y2

B-R(*1)

ENGINE CONTROL MODULE(Engine and Electronically Controlled Transmission ECU)

B
From Park/Neutral Position SW
(Neutral Start SW(A/T)<1-3>,
From Clutch Start SW(M/T)<1-3>)

W-G
From A/C Magnetic
Clutch Relay<26-2>

L-R
From A/C Amplifier
<26-5>

BR-B
From Cruise Control ECU
(A/T) <17-3>

BR
BR
BR

G
B
W
R
From Distributor
<2-4>

KNK2
(SHIELDED)
(SHIELDED)

K.2 KNOCK SENSOR
(on Rear Side)

W

KNK1
(SHIELDED)
(SHIELDED)

K.1 KNOCK SENSOR
(on Front Side)

W

(SHIELDED)
(SHIELDED)
(SHIELDED)
(SHIELDED)

OX2
R-L

O-4
OXYGEN SENSOR
(Except California,
on Rear Side)

R-L
(*2)

R-L(*1)

HT OA
B-Y(*1)

B-R
(*1)

BR(*1)

M.3
HEATED OXYGEN
SENSOR (California,
on Rear Side)

(SHIELDED)
(SHIELDED)
(SHIELDED)
(SHIELDED)

OX1

W

O.3
OXYGEN SENSOR
(Except California,
on Front Side)

W
(*2)

B-L(*1)

HT OA
B-R
(*1)

B-R
(*1)

BR
(*1)

M.2
HEATED OXYGEN
SENSOR (California,
on Front Side)

JUNCTION CONNECTOR

Rear side of
instrument panel

BR

BR
BR

BR

R-L

W

W

R-L
(*1)

BR

(*1)

B-R (*1)

R-Y
R-G
R-W
R
R-B
V-W
G
L-B
R-L
R-L (*1)

(SHIELDED)
(*1)

NE-G
NE
G1
G2
G3

OIL