1999 NISSAN PRIMERA Electronic Repair Manual

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Page 1137 of 2267

NISSAN PRIMERA 1999 Electronic Repair Manual Precautions
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)“AIR
BAG”and“SEAT BELT PRE-TENSIONER”
The Supplemental Restraint System “Air Bag” and “Seat Belt Pre-tensioner”, used along with a seat b

Precautions
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)“AIR
BAG”and“SEAT BELT PRE-TENSIONER”
The Supplemental Restraint System “Air Bag” and “Seat Belt Pre-tensioner”, used along with a seat belt,
help to reduce the risk or severity of injury to the driver and front passenger in a frontal collision. The
Supplemental Restraint System consists of an air bag module (located in the center of the steering wheel
and on the instrument panel on the passenger side, where fitted), seat belt pre-tensioners, a diagnosis sen-
sor unit, warning lamp, wiring harness and spiral cable.
In addition to the supplemental air bag modules for a frontal collision, the supplemental side air bag used
along with the seat belt help to reduce the risk or severity of injury to the driver and front passenger in a
side collision. The supplemental side air bag consists of air bag modules (located in the outer side of front
seats), satellite sensor, diagnosis sensor unit (one of components of supplemental air bags for a frontal
collision), wiring harness, warning lamp (one of components of supplemental air bags for a frontal collision).
Information necessary to service the system safely is included in theRS sectionof 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 per-
formed by an authorized NISSAN dealer.
Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system.
Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses (except“SEAT BELT-TENSIONER”connector) can be
identified with yellow harness connector (and with yellow harness protector or yellow insulation
tape before the harness connectors). Not use electrical test equipment on any circuit related to
the SRS.
PRECAUTIONS AND PREPARATION
EL-5

Page 1138 of 2267

NISSAN PRIMERA 1999 Electronic Repair Manual Description
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 li

Page 1139 of 2267

NISSAN PRIMERA 1999 Electronic Repair Manual HARNESS CONNECTOR (SLIDE-LOCKING TYPE)
A new style slide-locking type connector is used on certain systems and components, especially those
related to OBD.
The slide-locking type connectors help pre

Page 1140 of 2267

NISSAN PRIMERA 1999 Electronic Repair Manual Description
NORMAL OPEN, NORMAL CLOSED AND MIXED TYPE RELAYS
Relays can mainly be divided into three types: normal open, normal closed and mixed type relays.
TYPE OF STANDARDIZED RELAYS
1M ..........

Page 1141 of 2267

NISSAN PRIMERA 1999 Electronic Repair Manual SEL188W TypeOuter view
CircuitConnector symbol
and connectionCase color
BLACK
BROWN
GRAY
BLUE
The arrangement of terminal numbers on the actual relays may differ from those shown above.
STANDARDIZED R

Page 1142 of 2267

NISSAN PRIMERA 1999 Electronic Repair Manual Schematic
YEL218C
BATTERY
IGNITION
SWITCHCOMBINATION
SWITCH
LIGHTING
SWITCHR/FOG
SWITCH
ACCESSORY
RELAY
IGNITION
RELAY POWER
FUSE
POWER
WINDOW
RELAYREAR WIN-
DOW DEF-
FOGGER
RELAY
TIME CONTROL UNIT
PO

Page 1143 of 2267

NISSAN PRIMERA 1999 Electronic Repair Manual YEL948C
POWER SUPPLY ROUTING
Schematic (Cont’d)
EL-11

Page 1144 of 2267

NISSAN PRIMERA 1999 Electronic Repair Manual Wiring Diagram—POWER—
BATTERY POWER SUPPLY—IGNITION SWITCH IN ANY POSITION
Gasoline engine models
YEL949C
POWER SUPPLY ROUTING
EL-12

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