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
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