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 fusible 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
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.

 
 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:
  • ignition switch is “OFF”,
    SGI860.JPG
  • doors, hood and trunk lid/back door are closed,
  • pedals are not depressed, and
  • parking brake is released.
 
 MULTIPLE SWITCH

The continuity of multiple switch is described in two ways as shown below.
  • The switch chart is used in schematic diagrams.
  • The switch diagram is used in wiring diagrams.
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