TSRM/MK4 Supra/Wiring Diagrams
Repair ManualWiring Diagrams
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OWD/Overall Electrical Wiring Diagram — 4 Supra (Cont. d), page 10

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4 Supra (Cont. d) — MK4 Supra Overall Electrical Wiring Diagram wiring diagram, page 10
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Page text (OCR transcript)
Engine Control (for 2JZ-GE)
4 SUPRA (Cont. d)

VB (ac-BD)
B-W (ac-BD)
P (ac-BD)
L-B (ac-BD)

B-R
(*1)

B-R

B-R

B-R

B-R

B-R

B-R

B-R

B-O

B-W

B-W

GR (R)*1)

LG

P-G

Y-L

L-O

B-R(*1)

VS (Sc-BD)
VS (Sc-BD)
RELAY
CONNECTOR

V5
VOLTAGE FUEL
Pressure Up
(*1)

V-2
VOLTAGE EGR

V-3
VOLTAGE EV VS
(*1)

V-3
VOLTAGE ACB

IDLE AIR CONTROL VALVE
(ISC VALVE)

BR

BR-R
BR

VS (Sc-BD)
FUEL PUMP
RELAY
CONNECTOR

BR-B
BR-B

BR-B

BR-B

A5
AT FLUID
TEMP. SENSOR

E-1
E-J1 GAS TEMP. SENSOR

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

BR-B

From Stop Light SW
+D-1->

From Door
for Idle-Up <D-4>

From Tailate
Light PS <S-1>

From Igniter
<S-2>

GR

*1

*2

L-R

L-R

To Cruise Control
ECU<1-7-3>

BR-B

(*7)

BR-Y

L-Y

G-W

BR-Y

R

BR-Y

R-W

W-L

Y

P

Y

G-Y

G-O

V-Y

R-O

G-W

LG-R

P-L

BR
BR-B

BR
BR-W

GR

B-Y

B-W

L-O

L-O

ECI
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40

ENGINE CONTROL COMPUTER

ENGINE CONTROL MODULE (or)
ELECTRONIC CONTROL UNIT

C22

C21

C20

C19

C18

C17

C16

C15

C14

C13

C12

C11

C10

C9

C8

C7

C6

C5

C4

C3

C2

C1

NE
G1
G2
G
E2
L
STA
ACT
BATT
EO1
EOM

(SHIELDED)

(SHIELDED)

E41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80

From Park/Neutral Position SW
-Neutral Start SW(AT)<1-1-3>
From Clutch Start SW(MT)<1-3>

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

From A/C Amplifier
<26-6>

From Control ECU
<17-3>

BR

BR

BR

BR

BR

BR

BR

BR

BR

G
B
W
R

(SHIELDED)

(SHIELDED)

W

(SHIELDED)

W

R-L

R-L

R-L

R-L(*1)

B-Y(*1)

B-R
(*1)

W

(*2)

B-L(*1)

B-R
(*1)

R-L
(*1)

R-Y

R-G

R-W

R

L-B

V-W

G

L-B

R-L
(*1)

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

L-R

W-G

L-R

BR-B
(AT)

BR

KNOCK SENSOR
(on Rear Side)

K-1
KNOCK SENSOR
(on Front Side)

(SHIELDED)

(SHIELDED)

(SHIELDED)

(SHIELDED)

(SHIELDED)

(SHIELDED)

OX
OXYGEN SENSOR
(Except California,
on Rear Side)

KNOCK SENSOR
SUB-WIRE
PRPS-28-38

BR-Y
(*1)

OX
OXYGEN SENSOR
(Except California,
on Front Side)

KNOCK SENSOR
SUB-WIRE
PRPS-28-38

BR
(*1)

W

BR

R-L
(*1)

KNOCK CONNECTOR

KNOCK CONNECTOR

BR
(*1)

BR
(SHIELDED)

(SHIELDED)

(SHIELDED)