Infiniti M35/M45 Y50. Manual - part 792

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Detectable Lines and Non-Detectable Lines 

In some wiring diagrams, two kinds of lines, representing wires, with different weight are used.

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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.

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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.

SGI862-B

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Multiple Switch 

The continuity of multiple switch is described in two ways as shown below.

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The switch chart is used in schematic diagrams.

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The switch diagram is used in wiring diagrams.

SGI875

HOW TO USE THIS MANUAL

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Reference Area

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

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Abbreviations

NAS0007O

The following ABBREVIATIONS   are used:

ABBREVIATION

DESCRIPTION

A/C

Air Conditioner

A/T

Automatic Transaxle/Transmission

ATF

Automatic Transmission Fluid

D

1

Drive range 1st gear

D

2

Drive range 2nd gear

D

3

Drive range 3rd gear

D

4

Drive range 4th gear

FR, RR

Front, Rear

LH, RH

Left-Hand, Right-Hand

M/T

Manual Transaxle/Transmission

OD

Overdrive

P/S

Power Steering

SAE

Society of Automotive Engineers, Inc.

SDS

Service Data and Specifications

SST

Special Service Tools

2WD

2-Wheel Drive

2

2

2nd range 2nd gear

2

1

2nd range 1st gear

1

2

1st range 2nd gear

1

1

1st range 1st gear