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PG-1
ELECTRICAL & POWER CONTROL
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SECTION PG
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CONTENTS
POWER SUPPLY, GROUND & CIRCUIT ELEMENTS
PRECAUTION .......
........................................3
PRECAUTIONS .............................................. .....3
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
3
Precaution for Power Generation Voltage Variable
Control System ..........................................................
3
PREPARATION ............................................4
PREPARATION .............................................. .....4
Special Service Tools .......................................... ......4
Commercial Service Tool ..........................................4
SYSTEM DESCRIPTION ..............................5
ELECTRICAL UNITS LOCATION .................. .....5
Electrical Units Location ...................................... ......5
COMPONENT PARTS ........................................9
Circuit Breaker (Built Into BCM) .......................... ......9
Harness Connector ...................................................9
Standardized Relay ............................................. ....12
WIRING DIAGRAM ......................................15
POWER SUPPLY ROUTING CIRCUIT .......... ....15
Wiring Diagram — Battery Power Supply — ....... ....15
Wiring Diagram — Accessory Power Supply — .....23
Wiring Diagram — Ignition Power Supply — ..........27
GROUND ............................................................35
Ground Distribution ............................................. ....35
HARNESS ...................................................... ....42
Harness Layout ................................................... ....42
FUSE BLOCK - JUNCTION BOX (J/B) .............58
Terminal Arrangement ............................................58
FUSE AND FUSIBLE LINK BOX ................... ....59
Terminal Arrangement ............................................59
IPDM E/R (INTELLIGENT POWER DISTRI-
BUTION MODULE ENGINE ROOM) ................
60
IPDM E/R Terminal Arrangement ........................ ....60
BASIC INSPECTION ...................................61
BATTERY ..........................................................61
How to Handle Battery ......................................... ....61
Work Flow ................................................................61
INSPECTION AND ADJUSTMENT ..................64
ADDITIONAL SERVICE WHEN REMOVING BAT-
TERY NEGATIVE TERMINAL ............................... ....
64
ADDITIONAL SERVICE WHEN REMOVING
BATTERY NEGATIVE TERMINAL : Special Re-
pair Requirement .....................................................
64
FUSE INSPECTION ..........................................65
How To Check .........................................................65
FUSIBLE LINK INSPECTION ...........................69
Fusible Link .............................................................69
REMOVAL AND INSTALLATION ...............70
BATTERY ..........................................................70
Exploded View ..................................................... ....70
Removal and Installation (Battery) ..........................70
Removal and Installation (Battery Tray) ..................71
BATTERY TERMINAL WITH FUSIBLE LINK ...72
Exploded View .........................................................72
Removal and Installation .........................................72
BATTERY CURRENT SENSOR .......................73
Exploded View .........................................................73
Removal and Installation .........................................73
SERVICE DATA AND SPECIFICATIONS
(SDS) ............... .......................................... ...
74
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PRECAUTIONSPG-3
< PRECAUTION >
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental
Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000012433111
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severi ty of injury to the driver and front passenger for certain
types of collision. Information necessary to service the system safely is included in the SR and SB section of
this Service Manual.
WARNING:
• To avoid rendering the SRS inoper ative, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including in correct removal and installation of the SRS, can lead to personal
injury caused by unintentional act ivation of the system. For removal of Spiral Cable and Air Bag
Module, see the SR section.
• Do not use electrical test equipm ent on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identi fied by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Un it or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or el ectric power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor( s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers, always switch the Ignition OFF, disconnect the
battery and wait at least three mi nutes before performing any service.
Precaution for Power Generation Voltage Variable Control SystemINFOID:0000000012433112
CAUTION:
For this model, the battery current sensor that is in stalled to the battery cable at the negative terminal
measures the charging/discharging current of the battery, and performs various controls. If the electri-
cal component or the ground wire is connected direct ly to the battery terminal, the current other than
that being measured with the battery current sensor is charging to or discharging from the battery.
This condition causes the malfunction of the control, and then the battery discharge may occur. Do
not connect the electrical component or the gr ound wire directly to the battery terminal.
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POWER SUPPLY ROUTING CIRCUITPG-15
< WIRING DIAGRAM >
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WIRING DIAGRAM
POWER SUPPLY ROUTING CIRCUIT
Wiring Diagram —Battery Power Supply —INFOID:0000000012433119
ABMWA3496GB
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PG-16
< WIRING DIAGRAM >
POWER SUPPLY ROUTING CIRCUIT
AAMWA1940GB
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POWER SUPPLY ROUTING CIRCUITPG-17
< WIRING DIAGRAM >
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AAMWA1398GB
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PG-18
< WIRING DIAGRAM >
POWER SUPPLY ROUTING CIRCUIT
AAMWA1399GB
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POWER SUPPLY ROUTING CIRCUITPG-19
< WIRING DIAGRAM >
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AAMWA1400GB
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PG-20
< WIRING DIAGRAM >
POWER SUPPLY ROUTING CIRCUIT
AAMIA1766GB
Revision: August 20152016 Versa Note
cardiagn.com