Lexus SC300 / Lexus SC400. Manual - part 1020

13

For Waterproof Type Connector
HINT: Terminal retainer color is different

according to connector body.
Example:
Terminal Retainer: Connector Body
Black or White

: Gray

Black or White

: Dark Gray

Gray or White

: Black

“Case 1”

Type where terminal retainer is pulled up
to the temporary lock position (Pull Type).
Insert the special tool into the terminal
retainer access hole ( Mark) and pull the
terminal retainer up to the temporary lock
position.

HINT: The needle insertion position varies

according to the connector’s shape
(Number of terminals, etc.), so check the
position before inserting it.

“Case 2”

Type which cannot be pulled as far as
Power Lock

14

TROUBLESHOOTING

Insert the tool straight into the access hole of terminal
retainer as shown.
Push the terminal retainer down to the temporary lock
position.

(c)

Release the locking lug from terminal and pull the
terminal out from rear.

4.

INSTALL TERMINAL TO CONNECTOR
(a)

Insert the terminal.

HINT:
1.

Make sure the terminal is positioned correctly.

2.

Insert the terminal until the locking lug locks firmly.

3.

Insert the terminal with terminal retainer in the
temporary lock position.

(b)

Push the secondary locking device or terminal retainer
into the full lock position.

5.

CONNECT CONNECTOR

15

ABBREVIATIONS

DISCONNECTION AND CONNECTION OF BOLT
TYPE CONNECTORS

For engine and ECT ECU in this vehicle, connectors are used
which require a bolt built into the connector to be screwed down to
securely connect the connector.
1.

Disconnect the connector
After completely loosening the bolt, the two parts of the
connector can be separated.

NOTICE:
Do not pull the wire harness when disconnecting the
connector.

2.

Connect the connector

NOTICE:
Before connecting the connector, always check that the
terminals are not bent or damaged.
(a)

Match the guide section of the male connector
correctly with the female connector, then press them
together.

(b)

Tighten the bolt.
Make sure the connectors are completely connected,
by tightening the bolt until there is a clearance of less
than 1 mm (0.04 in.) between the bottom of male
connector and the end of female connector.

ABBREVIATIONS

The following abbreviations are used in this manual.

A/C

= Air Conditioning

O/D

= Overdrive

ABS

= Anti–Lock Brake System

R/B

= Relay Block

A/T

= Automatic Transmission

RH

= Right–Hand

CB

= Circuit Breaker

SRS

= Supplement Restraint System

COMB.

= Combination

SW

= Switch

ECT

= Electronic Controlled Transmission

TDCL

= Total Diagnostic Communication Link

ECU

= Electronic Control Unit

TEMP.

= Temperature

EGR

= Exhaust Gas Recirculation

TRAC

= Traction Control

FL

= Fusible Link

VSV

= Vacuum Switching Valve

ISC

= Idle Speed Control

W/

= With

J/B

= Junction Block

W/O

= Without

LH

= Left-Hand

* The titles given inside the components are the names of the terminals (terminal codes) and are not treated

as being abbreviations.

104

TURN SIGNAL AND HAZARD WARNING LIGHT

1E

7

2

1A

7

1A

4

1C

4

1C

3

1E

19

1E

14

2

3

2

3

1H

11

1H

7

1J

1

3G

3

3A

1

1E

18

1K

6

3D

10

4

4

4

4

4

IQ2

8

IQ1

10

IQ1

12

IQ1

11

IG2

9

IG1

10

IG1

23

IQ2

13

I 7

I 7

B15

EB

EA

BM

IF

5

5

9

7

5

6

4

12

3

10

8

6

6

1

4

2

5

3

A

16

A

17

B

23

IG2

8

IQ2

3

IE1

9

FROM POWER SOURCE SYSTEM (SEE PAGE 56)

HAZARD

TURN

RH

LH

OFF

ON

20A
TURN

25A
HAZ–HORN

TURN SIGNAL
FLASHER

TURN SIGNAL SW [COMB. SW]

HAZARD SW

FR

O

N

T

TU

R

N

SI

G

N

AL

L

IG

H

T

R

EAR

T

U

R

N

S

IG

N

AL

L

IG

H

T

[RE

A

R

CO

M

B

.

L

IG

HT

]

T

U

R

N

SI

G

N

AL

IN

D

IC

A

T

O

R

L

IG

H

T

[C

O

M

B.

M

ET

ER

]

LH

RH

RH

LH

W

W

R–W

R–B

R–W

R–W

W–R

R–B

G–Y

G–B

W–B

W–B

W–B

W–B

G–

R

G–

R

W

W

W–

R

W–

B

W–

R

R–

W

R–

B

R–

B

R–

W

R–

W

R–

B

R–

W

W–

B

R–

B

G–

Y

G–

B

G–

Y

G–

B

G–

Y

G–

Y

G–

B

W–

B

W–

B

W–

B

W–

B

W–

B

W–

B

W–B

5

R–B

H 7

C16

F 7

F 8

R10

R11

C1

3

,

C

1

4

AB

LH

RH

6