Nissan Note E12. Manual — part 487
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ELECTRICAL & POWER CONTROL
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SECTION
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CONTENTS
POWER SUPPLY, GROUND & CIRCUIT ELEMENTS
PRECAUTION . . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . . ...
PREPARATION . . . . . . . . . . .
PREPARATION . . . . . . . . . . . . ...
Special Service Tools . . . . . . . . . . . ....
SYSTEM DESCRIPTION . . . . . . . ..
COMPONENT PARTS . . . . . . . . . .
Circuit Breaker . . . . . . . . . . . . . . ..
Battery . . . . . . . . . . . . . . . . . ...
Harness Connector . . . . . . . . . . . . ...
Standardized Relay . . . . . . . . . . . . ...
WIRING DIAGRAM . . . . . . . . . ..
POWER SUPPLY ROUTING CIRCUIT . . . ..
Wiring Diagram — Battery Power Supply — . . ...
Wiring Diagram — Accessory Power Supply — . .
Wiring Diagram — Ignition Power Supply — . . ..
GROUND . . . . . . . . . . . . . . .
Ground Distribution . . . . . . . . . . . . .
FUSE BLOCK - JUNCTION BOX (J/B) . . . .
Terminal Arrangement . . . . . . . . . . .
FUSE, FUSIBLE LINK AND RELAY BOX . . .
Terminal Arrangement . . . . . . . . . . .
IPDM E/R (INTELLIGENT POWER DISTRI-
BUTION MODULE ENGINE ROOM) . . . . .
IPDM E/R Terminal Arrangement . . . . . . ...
HARNESS . . . . . . . . . . . . . . ..
Harness Layout . . . . . . . . . . . . . ...
ELECTRICAL UNITS LOCATION . . . . .
Electrical Units Location . . . . . . . . . . ..
BASIC INSPECTION . . . . . . . . ...
BATTERY . . . . . . . . . . . . . . ..
How to Handle Battery . . . . . . . . . . . .
Work Flow . . . . . . . . . . . . . . . .
INSPECTION AND ADJUSTMENT . . . . ..
ADDITIONAL SERVICE WHEN REMOVING BAT-
TERY NEGATIVE TERMINAL . . . . . . . . ...
FUSE INSPECTION . . . . . . . . . . ..
How To Check . . . . . . . . . . . . . . .
FUSIBLE LINK INSPECTION . . . . . . ...
How To Check . . . . . . . . . . . . . . .
REMOVAL AND INSTALLATION . . . ...
BATTERY . . . . . . . . . . . . . . ..
Exploded View . . . . . . . . . . . . . . .
Removal and Installation (Battery) . . . . . . ..
Removal and Installation (Battery Tray) . . . . ..
BATTERY TERMINAL WITH FUSIBLE LINK ...
Exploded View . . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . .
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . . . .
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< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000009594986
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 severity 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 inoperative, 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 incorrect removal and installation of the SRS, can lead to personal
injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see the SR section.
• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified 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 Unit or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or electric 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 minutes before performing any service.
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PREPARATION
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< PREPARATION >
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PREPARATION
PREPARATION
Special Service Tools
INFOID:0000000009594987
Tool number
(Kent-Moore No.)
Tool name
Description
—
(—) Model GR8-1200 NI
Multitasking battery and electrical di-
agnostic station
Tests batteries, starting and charging sys-
tems and charges batteries.
For operating instructions, refer to diagnostic
station instruction manual.
—
(—) Model EXP-800 NI
Battery and electrical diagnostic ana-
lyzer
Tests batteries and charging systems.
For operating instructions, refer to diagnostic
analyzer instruction manual.
AWIIA1239ZZ
JSMIA0806ZZ
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< SYSTEM DESCRIPTION >
COMPONENT PARTS
SYSTEM DESCRIPTION
COMPONENT PARTS
Circuit Breaker
INFOID:0000000009725280
The PTC thermistor generates heat in response to current flow. The
temperature (and resistance) of the thermistor element varies with
current flow. Excessive current flow will cause the element's temper-
ature to rise. When the temperature reaches a specified level, the
electrical resistance will rise sharply to control the circuit current.
Reduced current flow will cause the element to cool. Resistance falls
accordingly and normal circuit current flow is allowed to resume.
Battery
INFOID:0000000009725282
*: Always check with the Parts Department for the latest parts information.
Harness Connector
INFOID:0000000009707860
HARNESS CONNECTOR (TAB-LOCKING TYPE)
• The tab-locking type connectors help prevent accidental looseness or disconnection.
• The tab-locking type connectors are disconnected by pushing or lifting the locking tab(s). Refer to the figure
below.
Refer to the next page for description of the slide-locking type connector.
CAUTION:
Do not pull the harness or wires when disconnecting the connector.
SEL109W
Type
Q-85
5 hour rate minimum
[V – Ah]
12 – 36
Cold cranking current A (For reference value)
A
470
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