Infiniti I30 (A33). Manual — part 501
SGI860
SWITCH POSITIONS
NHGI0003S0204
Switches are shown in wiring diagrams as if the vehicle is in the
“normal” condition.
A vehicle is in the “normal” condition when:
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ignition switch is “OFF”,
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doors, hood and trunk lid/back door are closed,
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pedals are not depressed, and
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parking brake is released.
SGI862-A
DETECTABLE LINES AND NON-DETECTABLE LINES
NHGI0003S0205
In some wiring diagrams, two kinds of lines, representing wires,
with different weight are used.
I
A line with regular weight (wider line) represents a “detectable
line for DTC (Diagnostic Trouble Code)”. A “detectable line for
DTC” is a circuit in which ECM can detect its malfunctions with
the on board diagnostic system.
I
A line with less weight (thinner line) represents a “non-detect-
able line for DTC”. A “non-detectable line for DTC” is a circuit
in which ECM cannot detect its malfunctions with the on board
diagnostic system.
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
HOW TO READ WIRING DIAGRAMS
Description (Cont’d)
GI-17
MULTIPLE SWITCH
=NHGI0003S0206
The continuity of multiple switch is described in two ways as shown
below.
I
The switch chart is used in schematic diagrams.
I
The switch diagram is used in wiring diagrams.
SGI875
HOW TO READ WIRING DIAGRAMS
Description (Cont’d)
GI-18
REFERENCE AREA
=NHGI0003S0207
The Reference Area of the wiring diagram contains references to
additional electrical reference pages at the end of the manual. If
connector numbers and titles are shown in the Reference Area of
the wiring diagram, these connector symbols are not shown in the
Connector Area.
SGI092A
Super multiple junction (SMJ)
In a wiring diagram, the SMJ connectors include a letter of the
alphabet in the terminal number.
SMJ connector numbers are shown in the Reference Area of the
wiring diagram. SMJ terminal arrangement can be found on the
electrical reference pages at the end of the manual. For terminal
arrangement of these connectors, refer to the “SUPER MULTIPLE
JUNCTION (SMJ)” electrical reference page at the end of the
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
HOW TO READ WIRING DIAGRAMS
Description (Cont’d)
GI-19
manual.
Fuse block — Junction box (J/B)
Fuse block — Junction box (J/B) connector number is shown in the
Reference Area of the wiring diagram. For connector terminal and
fuse arrangement, refer to the “FUSE BLOCK — Junction Box
(J/B)” electrical reference page at the end of the manual.
Fuse and fusible link box
For fuse arrangement in the fuse and fusible link box, refer to the
“FUSE AND FUSIBLE LINK BOX” electrical reference page at the
end of the manual.
Electrical units
Electrical unit connector symbols are shown in the Connector Area
of the wiring diagram.
However, when there is not enough space to show the connector
terminal arrangement in the Connector Area of the wiring diagram,
the electrical unit connector number is shown in the Reference
Area of the wiring diagram. For electrical unit connector terminal
arrangement, refer to the “ELECTRICAL UNITS” electrical refer-
ence page at the end of the manual. Most of the electrical unit
connectors on this page are shown from the harness side of the
connector.
Joint connector
Joint connector symbols are shown in the connector area of the
wiring diagram. For connector internal wiring layout and joint con-
nector terminal arrangement, refer to the “JOINT CONNECTOR
(J/C)” electrical reference page at the end of the manual.
HOW TO READ WIRING DIAGRAMS
Description (Cont’d)
GI-20
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