Nissan Pathfinder (2012 year). Instruction — part 553
SRC-4
< BASIC INSPECTION >
DIAGNOSIS AND REPAIR WORK FLOW
>> GO TO 3
3.
USER MODE
Perform self-diagnosis using the "AIR BAG" warning lamp in User mode. Refer to
.
>> GO TO 4
4.
SELF-DIAGNOSIS
Perform SELF-DIAGNOSIS. Refer to
SRC-15, "CONSULT Function (AIR BAG)"
(with CONSULT) or
"Self-Diagnosis Function (Without CONSULT)"
.
>> GO TO 5
5.
TECHNICAL SERVICE BULLETINS
Check for technical service bulletins.
>> GO TO 6
6.
REPLACE PART
Replace the malfunctioning part.
>> GO TO 7
7.
FINAL CHECK
Check SRS using Diagnosis mode and User mode.
Does Diagnosis mode and User mode indicate SRS normal?
YES
>> Inspection end.
NO
>> GO TO 4
August 2012
2012 Pathfinder
INTERMITTENTS INCIDENT
SRC-5
< BASIC INSPECTION >
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INTERMITTENTS INCIDENT
Inspection Procedure
INFOID:0000000007356487
INTERMITTENT TROUBLE
An intermittent incident may have occured in the past but is not being detected currently. This DTC will not be
detected on SELF DIAG [CURRENT], but may be viewed on SELF DIAG [PAST] using CONSULT.
Trouble Diagnosis with CONSULT
INFOID:0000000007356488
DIAGNOSTIC PROCEDURE 4
Check SRS Repair History
1.
CONSIDER POSSIBILITY THAT SELF-DIAGNOSTIC RESULT WAS NOT ERASED AFTER REPAIR
Check repair history of the SRS.
Have any previous repairs been made to the SRS?
YES
>> Self-diagnostic result “SELF-DIAG [PAST]” (previously stored in the memory) might not be erased
after repair. Go to "DIAGNOSTIC PROCEDURE 3". Refer to
SRC-15, "Self-Diagnosis Function
NO
>> Go to "DIAGNOSTIC PROCEDURE 2". Refer to
.
August 2012
2012 Pathfinder
SRC-6
< SYSTEM DESCRIPTION >
SRS AIR BAG SYSTEM
SYSTEM DESCRIPTION
SRS AIR BAG SYSTEM
SRS Configuration
INFOID:0000000007356489
The air bag deploys if the air bag diagnosis sensor unit is activated while the ignition switch is in the ON or
START position.
The collision modes for which supplemental restraint systems are activated are different among the SRS sys-
tems. For example, the driver air bag module, front passenger air bag module and front seat belt pre-tension-
ers are activated in a frontal collision but not in a side collision.
SRS configurations for some collision modes are as follows:
AWHIA0235GB
SRS configuration
Frontal collision
Left side collision
Right side colli-
sion
Rollover
Driver air bag module
x
—
—
—
Front passenger air bag module
x
—
—
—
Front LH seat belt pre-tensioner
x
—
—
x
Front RH seat belt pre-tensioner
x
—
—
x
Front LH side air bag module
—
x
—
—
Front RH side air bag module
—
—
x
—
LH side curtain air bag module
—
x
—
x
RH side curtain air bag module
—
—
x
x
August 2012
2012 Pathfinder
SRS AIR BAG SYSTEM
SRC-7
< SYSTEM DESCRIPTION >
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SRS Component Parts Location
INFOID:0000000007356490
Driver Air Bag Module
INFOID:0000000007356491
The driver air bag module is dual stage and located in the steering
wheel assembly. It operates with the SRS system in a frontal colli-
sion exceeding a specified level.
1.
Side curtain air bag modules
2.
Front RH side air bag module
3.
Front RH seat belt pre-tensioner
4.
Belt tension sensor
5.
Seat belt buckle switch RH
6.
RH side air bag (satellite) sensor
7.
Occupant classification system sen-
sor
8.
Occupant classification system
control unit
9.
Front passenger air bag off indicator
10. Front passenger air bag module
11. Crash zone sensor
12. Air bag warning lamp
13. Spiral cable
14. Driver air bag module
15. LH side air bag (satellite) sensor
16. Front LH seat belt pre-tensioner
17. Air bag diagnosis sensor unit
18. Front LH side air bag module
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August 2012
2012 Pathfinder
SRC-8
< SYSTEM DESCRIPTION >
SRS AIR BAG SYSTEM
Front Passenger Air Bag Module
INFOID:0000000007356492
The front passenger air bag module is located behind the instrument
panel assembly. It operates with the SRS system in a frontal colli-
sion exceeding a specified level. Refer to
for more information.
Front Side Air Bag
INFOID:0000000007356493
Front side air bag modules are built into the front seatback assem-
blies. Vehicles with side air bags are equipped with labels as shown.
Side Curtain Air Bag
INFOID:0000000007356494
Side curtain air bag modules are located above the vehicle headlining.
Vehicles with side curtain air bags are equipped with labels as
shown.
Front Seat Belt Pre-tensioner with Load Limiter
INFOID:0000000007356495
The seat belt pre-tensioner system with load limiter is installed for
both the driver's seat and the front passenger's seat. It operates
simultaneously with the SRS air bag system in the event of a frontal
collision with an impact exceeding a specified level.
When the frontal collision with an impact exceeding a specified level
occurs, seat belt slack resulting from clothing or other factors is
immediately taken up by the pre-tensioner. Vehicle passengers are
securely restrained.
When passengers in a vehicle are thrown forward in a collision and
the restraining force of the seat belt exceeds a specified level, the
load limiter permits the specified extension of the seat belt by the
twisting of the ELR shaft, and a relaxation of the chest-area seat belt
web tension while maintaining force.
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August 2012
2012 Pathfinder
SRS AIR BAG SYSTEM
SRC-9
< SYSTEM DESCRIPTION >
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Direct-connect SRS Component Connectors
INFOID:0000000007356496
The following SRS components use direct-connect style harness connectors.
• Driver air bag module
• Front passenger air bag module
• LH side front curtain air bag module
• LH side rear curtain air bag module
• RH side front curtain air bag module
• RH side rear curtain air bag module
• Front LH seat belt pre-tensioner
• Front RH seat belt pre-tensioner
Always pull up to release locking tab prior to removing connector from SRS component.
Always push down to lock locking tab after installing connector to
SRS component. When locked, the locking tab is level with the con-
nector housing.
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August 2012
2012 Pathfinder
SRC-10
< SYSTEM DESCRIPTION >
OCCUPANT CLASSIFICATION SYSTEM
OCCUPANT CLASSIFICATION SYSTEM
System Diagram
INFOID:0000000007829400
Occupant Classification System (OCS)
INFOID:0000000007356498
The occupant classification system (OCS) identifies different size occupants, out of position occupants, and
detects if child seat is present in the front passenger seat. The OCS receives inputs from the occupant classi-
fication sensor (located inside the passenger seat cushion assembly) and belt tension sensor (part of the pas-
senger front seat belt assembly and located at the belt anchor location). Depending on classification of the
passenger, the OCS sends a signal to the air bag diagnosis sensor unit. The air bag diagnosis sensor unit
uses this signal and the seat belt buckle switch RH signal to determine deployment or non deployment of the
passenger front air bag in the event of a collision. Depending on the signals received, the air bag diagnosis
sensor unit can disable the passenger front air bag completely.
NOTE:
In case of customer concern, CONSULT can be used to confirm the passenger air bag status (readiness).
Passenger Air Bag Status Conditions
NOTE:
ALHIA0205GB
Front Passenger Seat
(Condition)
PASS AIR BAG OFF Indicator
(Status)
Passenger Air Bag Status
(Readiness)
CONSULT Display
Seat occupied
OFF
Active (enabled)
ON
Seat occupied
NOTE
ON
Deactivated (disabled)
OFF
Seat empty
OFF
Deactivated (disabled)
OFF
August 2012
2012 Pathfinder
OCCUPANT CLASSIFICATION SYSTEM
SRC-11
< SYSTEM DESCRIPTION >
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Passenger does not meet Occupant Classification System specifications for passenger air bag activation.
WHIA0195E
August 2012
2012 Pathfinder
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