Infiniti G37 Coupe. Manual - part 723
HOW TO READ WIRING DIAGRAMS
GI-11
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Description
INFOID:0000000001679176
SWITCH POSITIONS
Switches are shown in wiring diagrams as if the vehicle is in the “normal” condition.
A vehicle is in the “normal” condition when:
Number
Item
Description
1
Power supply
• This means the power supply of fusible link or fuse.
2
Fusible link
• “X” means the fusible link.
3
Number of fusible link/
fuse
• This means the number of fusible link or fuse location.
4
Fuse
• “/” means the fuse.
5
Current rating of fus-
ible link/fuse
• This means the current rating of the fusible link or fuse.
6
Optional splice
• The open circle shows that the splice is optional depending on vehicle application.
7
Connector number
• The letter shows which harness the connector is located in.
• Example “M”: main harness. For detail and to locate the connector, refer to
8
Splice
• The shaded circle “
” means the splice.
9
Page crossing
• This circuit continues to an adjacent page.
10
Option abbreviation
• This means the vehicle specifications which layouts the circuit between “
”.
11
Relay
• This shows an internal representation of the relay.
12
Option description
• This shows a description of the option abbreviation used on the page.
13
Switch
• This shows that continuity exists between terminals 1 and 2 when the switch is in the A
position. Continuity exists between terminals 1 and 3 when the switch is in the B position.
14
Circuit (Wiring)
• This means the wiring.
15
System branch
• This shows that the circuit is branched to other systems.
16
Shielded line
• The line enclosed by broken line circle shows shield wire.
17
Component name
• This shows the name of a component.
18
Ground (GND)
• This shows the ground connection.
19
Connector
• This means the connector information.
• This unit-side is described by the connector symbols.
20
Connectors
• This means that a transmission line bypasses two connectors or more.
21
Wire color
• This shows a code for the color of the wire.
B = Black
W = White
R = Red
G = Green
L = Blue
Y = Yellow
LG = Light Green
BR = Brown
OR or O = Orange
P = Pink
PU or V (Violet) = Purple
GY or GR = Gray
SB = Sky Blue
CH = Dark Brown
DG = Dark Green
• When the wire color is striped, the base color is given first, followed by the stripe color as
shown below:
Example: L/W = Blue with White Stripe
22
Terminal number
• This means the terminal number of a connector.