Infiniti Q45. Manual — part 592
HOW TO USE THIS MANUAL
GI-13
C
D
E
F
G
H
I
J
K
L
M
B
GI
SAIA0751E
GI-14
HOW TO USE THIS MANUAL
How to Read Wiring Diagrams
NAS0003X
CONNECTOR SYMBOLS
Most of connector symbols in wiring diagrams are shown from the terminal side.
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Connector symbols shown from the terminal side are enclosed
by a single line and followed by the direction mark.
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Connector symbols shown from the harness side are enclosed
by a double line and followed by the direction mark.
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Certain systems and components, especially those related to
OBD, may use a new style slide-locking type harness connector.
For description and how to disconnect, refer to PG section,
“Description”, “HARNESS CONNECTOR”.
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Male and female terminals
Connector guides for male terminals are shown in black and
female terminals in white in wiring diagrams.
SAIA0257E
SGI363
HOW TO USE THIS MANUAL
GI-15
C
D
E
F
G
H
I
J
K
L
M
B
GI
SAMPLE/WIRING DIAGRAM - EXAMPL -
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For detail, refer to following “DESCRIPTION”.
SGI091A
GI-16
HOW TO USE THIS MANUAL
Optional Splice
DESCRIPTION
SGI942
Num-
ber
Item
Description
1
Power condition
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This shows the condition when the system receives battery positive voltage (can be oper-
ated).
2
Fusible link
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The double line shows that this is a fusible link.
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The open circle shows current flow in, and the shaded circle shows current flow out.
3
Fusible link/fuse loca-
tion
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This shows the location of the fusible link or fuse in the fusible link or fuse box. For arrange-
ment, refer to PG section, POWER SUPPLY ROUTING.
4
Fuse
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The single line shows that this is a fuse.
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The open circle shows current flow in, and the shaded circle shows current flow out.
5
Current rating
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This shows the current rating of the fusible link or fuse.
6
Connectors
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This shows that connector E3 is female and connector M1 is male.
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The G/R wire is located in the 1A terminal of both connectors.
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Terminal number with an alphabet (1A, 5B, etc.) indicates that the connector is SMJ connec-
tor. Refer to PG section, SMJ (SUPER MULTIPLE JUNCTION).
7
Optional splice
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The open circle shows that the splice is optional depending on vehicle application.
8
Splice
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The shaded circle shows that the splice is always on the vehicle.
9
Page crossing
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This arrow shows that the circuit continues to an adjacent page.
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The A will match with the A on the preceding or next page.
10
Common connector
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The dotted lines between terminals show that these terminals are part of the same connector.
11
Option abbreviation
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This shows that the circuit is optional depending on vehicle application.
12
Relay
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This shows an internal representation of the relay. For details, refer to PG section, STAN-
DARDIZED RELAY.
13
Connectors
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This shows that the connector is connected to the body or a terminal with bolt or nut.
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