Body Electrical, Toyota LJ70

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BODY ELECTRICAL
Page
GENERAL INFORMATION
BE-2
POWER SOURCE
BE-7
IGNITION SWITCH
BE-13
LIGHTING SYSTEM
BE-16
HEADLIGHT CLEANER SYSTEM
BE-35
WIPER AND WASHER SYSTEM
BE-38
COMBINATION METER
BE-47
DEFOGGER SYSTEM
BE-71
POWER WINDOW CONTROL SYSTEM
BE-74
POWER DOOR LOCK CONTROL SYSTEM
BE-82
SLIDING ROOF SYSTEM
BE-87
POWER MIRROR CONTROL SYSTEM
BE-90
FUEL TRANSFER SYSTEM
BE-92
AUDIO SYSTEM
BE-95
CLOCK
BE-114
BE
SYSTEM
BODY ELECTRICAL SYSTEM -
General Information
Example
:
GENERAL INFORMATION
Wiring color code
Wire colors are indicated by an alphabetical code .
R
0)
3
I
Red
R = Red
BR =Brown
LG =Light Green V =Violet
G=Green
L = Blue
R-G
c
O=Orange
W=White
I
Red
Green
GR=Gray
P=Pink
Y=Yellow
BE1359
The first letter indicates the basic wire color and the se-
cond letter indicates the color of the stripe
.
Connector
1 .
PIN NUMBER OF FEMALE CONNECTOR
Numbered in order from upper left to lower right
.
Example:
2
(Sinai
1
6U41
2 .
PIN NUMBER OF MALE CONNECTOR
Numbered in order from upper right to lower left .
HINT:
When connectors with different or the same num-
ber of terminals are used with the same parts, each con-
nector name (letter of the alphabet) and pin number i
specified .
Female
Male
BE0832
e.g
. A7 = No. 7 pin of connector "A"
3.
DISTINCTION OF MALE AND FEMALE CONNECTORS
Male and female connectors are distinguished by shape
their internal pins .
(a)
All connectors are shown from the open end, and t
lock is on top .
(b) To pull apart the connectors, pull on the connect
itself, not the wires
.
HINT :
Check to see what kind of connector you are d
connecting before pulling apart
.
Example
:
B = Black
BODY ELECTRICAL SYSTEM - General Information
BE-3
How to Replace Terminal
4
(with Terminal Retainer Type)
HINT:
To remove the terminal for this type of connec-
tor, please construct and use the special tool or like ob-
ject shown on the left .
BE2830
Raise Up
1 . DISCONNECT CONNECTOR
Disconnect the connector according to the instructions on
BE-2 .
Tool
2.
DISCONNECT TERMINAL FROM CONNECTOR
(a)
Using the special tool, raise the retainer up to the tem-
porary 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.
Terminal Retainer
BE2831
Looking Lug
(b) Using the special tool, release the locking lug and pull
the terminal out from rear .
N
Tool
BE2832
3.
INSTALL TERMINAL TO CONNECTOR
(a) Insert the terminal .
HINT:

Make sure the terminal is positioned correctly
.
J

Insert the terminal until the locking lug locks firmly
.

Insert the terminal with retainer in the temporary lock
position .
BE2833
(b) Push the retainer in as far as the full lock position
.
Push
4. CONNECT CONNECTOR
Terminal
Retainer
BE2834
BE-4
BODY ELECTRICAL SYSTEM - General Information
Replacement of Fuse
HINT: If replacing the fuse, be sure to replace it with a
fuse with and equal amperage rating .
NOTICE:
1 .
Turn off all electrical components and the ignitio
switch before replacing a fuse
. Do not exceed the fu
amperage rating .
2 .
Always use a fuse puller for removing and insertin
a fuse
. Remove and insert straight in and out witho
twisting . Twisting could force open
the terminals to
much, resulting in a bad connection.
If a fuse continues to blow, a short circuit is indicated
. Th
system must be checked by a qualified technician
.
BODY ELECTRICAL SYSTEM
- General Information
BE-5
Check for Voltage
(a)
Establish conditions in which voltage is present at the
check point.
Example :
OA -
Ignition switch on.
© - Ignition switch and switch 1 (SW 1) on
.
© - Ignition switch, switch 1 (SW 1) and relay
on (switch 2 (SW2) off) .
(b) Using a voltmeter, connect the negative (-)
lead to
a good ground point or negative (-)
battery terminal
and the positive (+) lead to the connector or compo-
nent terminal
. This check can be done with a test bulb
instead of a voltmeter .
Check for Continuity and Resistance
(a)
Disconnect the battery terminal or wire so there is no
voltage between the check points.
(b) Contact the two leads of an ohmmeter to each of the
check points .
m
0
If the circuit has diodes, reverse the two leads and check
again.
When contacting the negative
(-)
lead to the diode posi-
tive (+) side and the positive (+) lead to the negative (- )
side, there should be continuity
. When contacting the two
leads in reverse, there should be no continuity
.
HINT:
Specifications may vary depending on the type of
tester, so refer to the tester's instruction manual before
performing the inspection
.
Ohmmeter
l
kn
O+ O
Diode
BE0821
Ohmmeter
Check LED (Light Emitting Diode) in the same manner as
that for diodes .

Use a tester with a power source of 3 V or greater to
overcome the circuit resistance.
kn

If a suitable tester is not available, apply battery voltage
and check that the LED that the LED lights up .
LED
BE2437
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