Nissan Pathfinder. Manual — part 1079
SRC-1
RESTRAINTS
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SECTION
SRC
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SRC
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CONTENTS
SRS AIRBAG CONTROL SYSTEM
PRECAUTION . . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . . ...
Precaution for SRS "AIR BAG" and "SEAT BELT
PRE-TENSIONER" Service . . . . . . . . . ..
SYSTEM DESCRIPTION . . . . . . . ..
COMPONENT PARTS . . . . . . . . . .
Component Parts Location . . . . . . . . . ....
Component Description . . . . . . . . . . .....
Driver Air Bag Module . . . . . . . . . . . ...
Front Passenger Air Bag Module . . . . . . . ..
Front Side Air Bag Module . . . . . . . . . ....
Side Curtain Air Bag Module . . . . . . . . .....
Front Seat Belt Pre-tensioner . . . . . . . . ....
Air Bag Diagnosis Sensor Unit . . . . . . . . ..
Crash Zone Sensor . . . . . . . . . . . . ...
Front Side Air Bag Satellite Sensor . . . . . . ...
Rear Side Air Bag Satellite Sensor . . . . . . ...
Front Door Satellite Sensor . . . . . . . . . ...
SRS Component Connectors . . . . . . . . ....
SYSTEM . . . . . . . . . . . . . . . .
SRS AIR BAG SYSTEM . . . . . . . . . . .
SRS AIR BAG SYSTEM : System Diagram . . .
SRS AIR BAG SYSTEM : System Description . ...
OCCUPANT CLASSIFICATION SYSTEM . . . .
OCCUPANT CLASSIFICATION SYSTEM : Sys-
tem Diagram . . . . . . . . . . . . . . .
OCCUPANT CLASSIFICATION SYSTEM : Sys-
tem Description . . . . . . . . . . . . . ...
SEAT BELT WARNING LAMP SYSTEM . . . . ..
SEAT BELT WARNING LAMP SYSTEM : System
Diagram . . . . . . . . . . . . . . . . ...
SEAT BELT WARNING LAMP SYSTEM : System
Description . . . . . . . . . . . . . . . ...
DIAGNOSIS SYSTEM (AIR BAG) . . . . .
Diagnosis Description . . . . . . . . . . . ..
SRS Operation Check . . . . . . . . . . . .
Trouble Diagnosis with CONSULT . . . . . . ..
Trouble Diagnosis without CONSULT . . . . . .
SRS History Check . . . . . . . . . . . . ..
SRS Final Check . . . . . . . . . . . . . .
CONSULT Function (AIR BAG) . . . . . . . ...
CONSULT Function (OCCUPANT DETECTION) .
ECU DIAGNOSIS INFORMATION . . . ..
DIAGNOSIS SENSOR UNIT . . . . . . . .
DTC Index . . . . . . . . . . . . . . . ...
Flash Code Index . . . . . . . . . . . . .
WIRING DIAGRAM . . . . . . . . . ..
SRS AIR BAG SYSTEM . . . . . . . . ...
Wiring Diagram . . . . . . . . . . . . . .
BASIC INSPECTION . . . . . . . . ...
DIAGNOSIS AND REPAIR WORK FLOW . ...
Work Flow . . . . . . . . . . . . . . . .
INSPECTION AND ADJUSTMENT . . . . ..
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT . . . . . . . . . . . . . .
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Description . . . . . . . . .
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Special Repair Requirement . ..
ZERO POINT RESET . . . . . . . . . . . . .
ZERO POINT RESET : Description . . . . . . .
ZERO POINT RESET : Special Repair Require-
ment . . . . . . . . . . . . . . . . . . .
SRC-2
INTERMITTENT INCIDENT . . . . . . . ...
Inspection Procedure . . . . . . . . . . . .
Trouble Diagnosis with CONSULT . . . . . . .
DTC/CIRCUIT DIAGNOSIS . . . . . . .
U1000 CAN COMM CIRCUIT . . . . . . .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
U1010 CONTROL UNIT (CAN) . . . . . . .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
B0001, B0002 DRIVER AIRBAG MODULE . ..
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
B0010, B0011 PASSENGER AIRBAG MOD-
ULE . . . . . . . . . . . . . . . . .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
B0020 SIDE AIRBAG MODULE LH . . . . ..
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
B0028 SIDE AIRBAG MODULE RH . . . . .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
B0021 SIDE CURTAIN AIR BAG MODULE LH
...
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
B0029 SIDE CURTAIN AIR BAG MODULE
RH . . . . . . . . . . . . . . . . . ..
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
B0094 CRASH ZONE SENSOR . . . . . .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
B0091 FRONT SIDE AIR BAG SATELLITE
SENSOR LH . . . . . . . . . . . . . ..
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
B0096 FRONT SIDE AIR BAG SATELLITE
SENSOR RH . . . . . . . . . . . . . ..
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
B0092 REAR SIDE AIR BAG SATELLITE
SENSOR LH . . . . . . . . . . . . . ..
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
B0097 REAR SIDE AIR BAG SATELLITE
SENSOR RH . . . . . . . . . . . . . ..
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
B0093 FRONT DOOR SATELLITE SENSOR
LH . . . . . . . . . . . . . . . . . ..
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
B0098 FRONT DOOR SATELLITE SENSOR
RH . . . . . . . . . . . . . . . . . ..
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
B00A0 OCS SYSTEM . . . . . . . . . ...
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
B00D5 PASSENGER AIR BAG OFF INDICA-
TOR . . . . . . . . . . . . . . . . .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
B1428 SEAT BELT BUCKLE SWITCH LH . ...
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
B1429 SEAT BELT BUCKLE SWITCH RH . ..
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
B1430 SEAT BELT PRE-TENSIONER . . . .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
B1431 SEAT BELT PRE-TENSIONER . . . .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
SRC-3
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B1432 LAP PRE-TENSIONER . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
B1433 LAP PRE-TENSIONER . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
B1436 ACTIVE VENT . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
B142A IGNITION VOLTAGE . . . . . . . .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
B142X COLLISION DETECTION . . . . . .
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
B14XX AIR BAG DIAGNOSIS SENSOR UNIT .
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
SYMPTOM DIAGNOSIS . . . . . . .
SRS AIR BAG WARNING LAMP DOES NOT
TURN ON . . . . . . . . . . . . . .
AIR BAG Warning Lamp Does Not Turn On . . .
SRS AIR BAG WARNING LAMP DOES NOT
TURN OFF . . . . . . . . . . . . . ...
AIR BAG Warning Lamp Does Not Turn Off . . .
SEAT BELT WARNING SYSTEM . . . . ..
SRC-4
< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000009730834
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.
Precaution for SRS "AIR BAG" and "SEAT BELT PRE-TENSIONER" Service
INFOID:0000000009176952
• Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual.
• Before servicing the SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 min-
utes.
For approximately 3 minutes after the cables are removed, it is still possible for the air bag and seat belt pre-
tensioner to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes have
passed.
• The air bag diagnosis sensor unit must always be installed with the arrow mark “
⇐” pointing toward the front
of the vehicle for proper operation. Also check air bag diagnosis sensor unit for cracks, deformities or rust
before installation and replace as required.
• The spiral cable must be aligned with the neutral position since its rotations are limited. Do not attempt to
turn steering wheel or column after removal of steering gear.
• Handle air bag module carefully. Always place driver and front passenger air bag modules with the pad side
facing upward and seat mounted front side air bag module standing with the stud bolt side facing down.
• Conduct self-diagnosis to check entire SRS for proper function after replacing any components.
• After air bag inflates, the front instrument panel assembly should be replaced if damaged.
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