4e Fe Toyota Pin Out

4E-FE ECU pinout

Pin

Nam e

Wire color

Explanation

Connec tor 1

1

RSC

Gray

Rotary Solenoid Close – Cold Idle Speed Control

2

NSW

Red

Neutral Starter Switch

3

THW

Green-lac!

Water Te"parature Si#nal

$

%I&

'i#htGreen

%ressure Inta!e &ani(old

)

TH*

'i#htGreen-lac!

Inta!e *ir Te"parature

+

IGT

lac!-White

I#nition Ti"in#

.ellow

I#nition eed/ac! (ro" the i#nitor coil

.ellow

I#nition eed/ac! (ro" the i#nitor coil

,

0

IG

IG



N-

lue

%art o( the II* Inter#rated I#nition *sse"/ly4

15

67

White

68y#en Sensor 'a"/da Sensor4

11

ST*

Red&9T4 or RedWhite*9T4

n#ine Cran!in# Si#nal Starter Switch4

12

:15

Green

In;ector %ulse 1 < 3

13

51

White-lac!

Co"puter Ground

1$

RS6

lac!-Red

Rotary Solenoid – Cold Idle Speed Control

1)

HT

%in!-lue

Heated 68y#en Sensor

1+

2

rown-White

Sensor Ground

1,

%SW

.ellow-Red

Throttle %osition Sensor pin 34

10

=CC

'i#htGreen-Red

Throttle %osition Sensor pin 14  Throttle %osition Sensor Si#nals C@ throttle position is at idle4

1

I>'

?

25

*N

@n!nown

Radiator an Relay

21

N

Green

R%& Si#nal

22

'S3

?

?

23

I%=

?

=acuu" Switchin# =alAe

2$

1

rown

Co"puter Ground

2)

:25

.ellow

In;ector %ulse 2 < $

2+

?

?

?

Connec tor 2

1

?

?

?

2

*TT

White-Green

Switched attery %ower B12=4 I &ain Relay4

3

CC6

@n!nown

Chec! Connector 6utputs

$

C

Green-Red

Circuit 6penin# Relay uel Cut4 lectrical 'oad Si#nal Syste"  Tailli#ht Relay

)

'S1

Green

+

*C2

@n!nown

12= To *ircon Co"puter

,

T2

White-lue

Chec! Connector

0

T1

Gray

Chec! Connector >ia#nostics4



B

lac!-.ellow

Switched attery %ower 12=4

15

W

Green-White

Warnin# 'i#ht

@n!nown

Catalytic ConAerter Te"parature Warnin# 'i#ht Co"/ination &eter4

11

GW

12

*C1

%in!

*9C Switch Si#nal Syste" 12= to *ircon Co"puter4

13

S%>

=iolet

Speed Si#nal

1$

*CT

lac!-White

*9C Cut Control Syste"

1)

'S2

@n!nown

lectrical 'oad Si#nal Syste"

1+

=

Green-.ellow

Chec! Connector 6utputs