Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 1272
8–8 ELECTRICAL-BODY AND CHASSIS
SYMBOLS AND ABBREVIATIONS
SYMBOLS
Symbol
Meaning of Symbol
Fuse
Fusible link
Fusible link wire
Switch
Switch
Contact wiring
Battery
Diode
Electronic Parts
Resistor
Speaker
Buzzer
Circuit breaker
Symbol
Meaning of Symbol
Bulb
Double filament bulb
Motor
Variable resistor
Rheostat
Coil (inductor), solenoid,
magnetic valve
Relay
Connector
Light emitting diode
Reed switch
Condenser
Horn
Vacuum switching valve
+
–
Switch
(Normal close type)
M
ELECTRICAL-BODY AND CHASSIS 8–9
ABBREVIATIONS
Abbreviation
Meaning of Abbreviation
A
ABS
ASM
AC
A/C
ACC
A/T
CARB
C/B
CSD
DIS
EBCM
ECGI
ECM
ECU
EFE
4A/T
4X4
FL
FRT
H/L
IC
IG
kW
Ampere (S)
Anti-lock brake system
Assembly
Alternating current
Air conditioner
Accessories
Automatic transmission
Carburetor
Circuit breaker
Cold start device
Direct ignition system
Electronic brake control module
Electronic control gasoline injection
Engine control module
Electronic control unit
Early fuel evaporation
4-speed automatic transmission
Four-wheel drive
Fusible link
Front
Headlight
Integrated circuit
Ignition
kilowatt
Abbreviation
Meaning of Abbreviation
LH
LWB
MPI
M/T
OD
OPT
QOS
RH
RR
RWAL
SRS
ST
STD
SW
SWB
TCM
3A/T
V
VSV
W
WOT
W/
W/O
Left hand
Long wheel base
Multiport fuel injection
Manual transmission
Over drive
Option
Quick on start
Right hand
Rear
Rear wheel anti-lock brake system
Supplemental restraint system
Start
Standard
Switch
Short wheel base
Transmission control module
3-speed automatic transmission
Volt
Vacuum switching valve
Watt (S)
Wide open throttle
With
Without
8–10 ELECTRICAL-BODY AND CHASSIS
PARTS FOR ELECTRICAL CIRCUIT
WIRING
Wire Color
All wires have color-coded insulation.
Wires belonging to system’s main harness will have a
single color. Wires belonging to a system’s sub-circuits
will have a colored stripe. Striped wires use the following
code to show wire size and colors.
Example: 0.5 G / R
Red (Stripe color)
Green (Base color)
Wire size (0.5 mm
2
)
Abbreviations are used to indicate wire color within a
circuit diagram.
Refer to the following table.
Colored stripe
Single color
D08RV840
Wire Color-Coding
Color-Coding Meaning
Color-Coding Meaning
B
Black
BR
Brown
W
White
LG
Light green
R
Red
GR
Grey
G
Green
P
Pink
Y
Yellow
LB
Light blue
L
Blue
V
Violet
O
Orange
ELECTRICAL-BODY AND CHASSIS 8–11
Distinction of Circuit by Wire Base Color
Base color
Circuits
Base color
Circuits
B
Starter circuit and grounding circuit
Y
Instrument circuit
W
Charging circuit
R
Lighting circuit
Other circuits
G
Signal circuit
Wire Size Specifications
Normal size
Cross sectional area
Outside diameter
Allowable current
(mm
2
)
(mm)
(A)
0.3
0.372
1.8
9
0.5
0.563
2.0
12
0.85
0.885
2.2
16
1.25
1.287
2.5
21
2
2.091
2.9
28
3
3.296
3.6
37.5
5
5.227
4.4
53
8
7.952
5.5
67
15
13.36
7.0
75
20
20.61
8.2
97
L,O, BR,
LG, GR,
P, LB, V
Wire Size
Wire size is specified with the metric gauge system.
The metric gauge system gives the wire size in cross
sectional area measured in square millimeters.
Outside diameter
Cross sectional area
D08RV683
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