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SRS

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H RESTRAINTS

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
SECTION SRS B

E
CONTENTS
PRECAUTIONS ......................................................... 2
. Trouble Diagnoses without CONSULT-II ............... 28 . F
Precautions for Supplemental Restraint System DIAGNOSTIC PROCEDURE 6 .......................... 28 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- DIAGNOSTIC PROCEDURE 7 .......................... 33 .
SIONER" ................................................................. 2
. DIAGNOSTIC PROCEDURE 8 (CONTINUED G
Precautions for SRS "AIR BAG" and "SEAT BELT FROM DIAGNOSTIC PROCEDURE 6) ............. 34 .
PRE-TENSIONER" Service .................................... 2 . Trouble Diagnoses: "AIR BAG" Warning Lamp Does
PREPARATION .......................................................... 3
. Not Turn Off ........................................................... 35
.
SRS
Special service tool ................................................. 3
. DIAGNOSTIC PROCEDURE 9 .......................... 35 .
Commercial Service Tool ........................................ 3 . Trouble Diagnoses: "AIR BAG" Warning Lamp Does
SRS CONFIGURATION ............................................. 4 . Not Turn On ........................................................... 36
.
SRS Configuration .................................................. 4
. DIAGNOSTIC PROCEDURE 10 ........................ 36 . I
Seat Belt Pre-tensioner with Load Limiter ............... 5 . DIAGNOSIS SENSOR UNIT .................................... 37 .
Side Air Bag ............................................................ 5
. Removal and Installation ....................................... 37 .
Direct-connect SRS Component Connectors .......... 5 . REMOVAL .......................................................... 37. J
SRS Component Parts Location ............................. 6 . INSTALLATION .................................................. 37 .
TROUBLE DIAGNOSIS ............................................. 7 . FRONT SEAT BELT PRE-TENSIONER .................. 38 .
Trouble Diagnoses Introduction .............................. 7 . Removal and Installation ....................................... 38 .
K
DIAGNOSIS FUNCTION ...................................... 7 . SIDE AIR BAG (SATELLITE) SENSOR .................. 39 .
HOW TO CHANGE SELF-DIAGNOSIS MODE Removal and Installation ....................................... 39 .
WITH CONSULT-II ............................................... 8 . REMOVAL .......................................................... 39.
HOW TO CHANGE SELF-DIAGNOSIS MODE INSTALLATION .................................................. 39 . L
WITHOUT CONSULT-II ....................................... 8 . DRIVER AIR BAG MODULE ................................... 40 .
HOW TO ERASE SELF-DIAGNOSIS RESULTS 8 ..... Removal and Installation ....................................... 40 .
CONSULT-II Function (AIR BAG) .......................... 10 . Removal ................................................................ 40
. M
How to Perform Trouble Diagnoses for Quick and Installation ............................................................. 41
.
Accurate Repair .....................................................11
. SPIRAL CABLE ....................................................... 42 .
INFORMATION FROM CUSTOMER ..................11 . Removal and Installation ....................................... 42 .
PRELIMINARY CHECK ......................................11 . Removal ................................................................ 42
.
WORK FLOW ..................................................... 12. Installation ............................................................. 43
.
Schematic ............................................................. 13
. FRONT PASSENGER AIR BAG MODULE ............. 44 .
Wiring Diagram -- SRS -- .................................... 14 . Removal and Installation ....................................... 44 .
SRS Operation Check ........................................... 17 . REMOVAL .......................................................... 44.
DIAGNOSTIC PROCEDURE 1 .......................... 17 . INSTALLATION .................................................. 45 .
Trouble Diagnoses with CONSULT-II .................... 17 . COLLISION DIAGNOSIS ......................................... 46 .
DIAGNOSTIC PROCEDURE 2 .......................... 17 . FOR FRONTAL COLLISION ................................. 46 .
DIAGNOSTIC PROCEDURE 3 .......................... 21 . SRS INSPECTION (FOR FRONTAL COLLI-
DIAGNOSTIC PROCEDURE 4 (CONTINUED SION) ................................................................. 46
.
FROM DIAGNOSTIC PROCEDURE 2) ............. 23 . FOR SIDE COLLISION ......................................... 47 .
DIAGNOSTIC PROCEDURE 5 .......................... 24 . SRS INSPECTION (FOR SIDE COLLISION) ..... 48 .

Revision: December 2006 SRS-1 2006 Sentra
PRECAUTIONS

PRECAUTIONS PFP:00001

Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" EHS000PP

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 SRS and SB section of
this Service Manual.
WARNING:
G 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/INFINITI dealer.
G Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.
G 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
harness connectors.
Precautions for SRS "AIR BAG" and "SEAT BELT PRE-TENSIONER" Service
EHS000JE

G Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual.
G Before servicing the SRS, turn ignition switch "OFF", disconnect both battery cables and wait at least 3
minutes.
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.
G Diagnosis sensor unit must always be installed with their arrow marks "" pointing towards the front of the
vehicle for proper operation. Also check diagnosis sensor unit for cracks, deformities or rust before instal-
lation and replace as required.
G 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.
G Handle air bag module carefully. Always place driver and front passenger air bag modules with the pad
side facing upward and front side air bag module standing with the stud bolt side facing down.
G Conduct self-diagnosis to check entire SRS for proper function after replacing any components.
G After air bag inflates, the front instrument panel assembly should be replaced if damaged.

Revision: December 2006 SRS-2 2006 Sentra
PREPARATION

PREPARATION PFP:00002
A
Special service tool EHS000JG

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number B
(Kent-Moore No.) Description
Tool name
-- Removing and installing air bag locking C
(J-44615) bolts
Air bag lock master key set

LRS210 E

Commercial Service Tool EHS000JH

Tool name Description F
Tamper resistant torx socket Size: T30

SRS
S-NT757

Revision: December 2006 SRS-3 2006 Sentra
SRS CONFIGURATION

SRS CONFIGURATION PFP:00000

SRS Configuration EHS000JI

WRS148

The air bag deploys if the diagnosis sensor unit activates 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 and front passenger air bag module are activated in a frontal col-
lision but not in a side collision.
SRS configurations which are activated for some collision modes are as follows;
SRS configuration Frontal collision Left side collision Right side collision
Driver air bag module X -- --
Front passenger air bag module X -- --
Front LH seat belt pre-tensioner X -- --
Front RH seat belt pre-tensioner X -- --
Front LH side air bag module -- X --
Front RH side air bag module -- -- X

Revision: December 2006 SRS-4 2006 Sentra
SRS CONFIGURATION

Seat Belt Pre-tensioner with Load Limiter EHS000JJ

A
The front seat belt pre-tensioner system with load limiter is installed
to 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. B
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 C
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 D
SRS444
twisting of the ELR shaft, and a relaxation of the chest-area seat belt
web tension while maintaining force.
E
Side Air Bag EHS000JK

Front side air bag is built-in type.
The front seat backs with built-in type side air bag have the label
F
shown in figure at right.

SRS

WHIA0001E

Direct-connect SRS Component Connectors EHS000LD
I

The following SRS components use direct-connect style harness connectors.
G Driver air bag module J
G Front LH seat belt pre-tensioner
G Front RH seat belt pre-tensioner
Always pull up to release black locking tab prior to removing connector from SRS component. K
Always push down to lock black locking tab after installing connector
to SRS component. When locked, the black locking tab is level with
the connector housing.
L

WHIA0103E

Revision: December 2006 SRS-5 2006 Sentra
SRS CONFIGURATION

SRS Component Parts Location EHS000JL

WRS149

Revision: December 2006 SRS-6 2006 Sentra
TROUBLE DIAGNOSIS

TROUBLE DIAGNOSIS PFP:00004
A
Trouble Diagnoses Introduction EHS000JM

CAUTION:
G Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this B
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harness connec-
tors.
G Do not attempt to repair, splice or modify the SRS wiring harness. If the harness is damaged, C
replace it with a new one.
G Keep ground portion clean.
DIAGNOSIS FUNCTION D
The SRS self-diagnosis results can be read by using "AIR BAG" warning lamp and/or CONSULT-II. The read-
ing of these results is accomplished using one of two modes -- "User mode" and "Diagnosis mode".
The User mode is exclusively prepared for the customer (driver). This mode warns the driver of a system mal- E
function through the operation of the "AIR BAG" warning lamp.
The Diagnosis mode allows the technician to locate and inspect the malfunctioning part.
The mode applications for the "AIR BAG" warning lamp and CONSULT-II are as follows:
F
User mode Diagnosis mode Display type
"AIR BAG" warning lamp X X ON-OFF operation
CONSULT-II -- X Monitoring G

SRS

Revision: December 2006 SRS-7 2006 Sentra
TROUBLE DIAGNOSIS

HOW TO CHANGE SELF-DIAGNOSIS MODE WITH CONSULT-II
From User Mode to Diagnosis Mode
After selecting "AIR BAG" on the "SELECT SYSTEM" screen, User mode automatically changes to Diagnosis
mode.

SRS803

From Diagnosis Mode to User Mode
To return to User mode from Diagnosis mode, touch "BACK" key of CONSULT-II until "SELECT SYSTEM"
appears, Diagnosis mode automatically changes to User mode.

SRS804

HOW TO CHANGE SELF-DIAGNOSIS MODE WITHOUT CONSULT-II
From User Mode to Diagnosis Mode
Diagnosis mode activates only when a malfunction is detected, by turning ignition switch as follows:
1. Turn ignition switch "ON".
2. After "AIR BAG" warning lamp lights for 7 seconds, turn ignition switch "OFF" within 1 second.
3. Wait more than 3 seconds.
4. Repeat steps 1 to 3 three times.
5. Turn ignition switch "ON".
SRS will enter Diagnosis mode, if a malfunction is detected.
From Diagnosis Mode to User Mode
After a malfunction is repaired, turn ignition switch "OFF" for at least one second, then back "ON". Diagnosis
mode is returned to User mode.
If switching Diagnosis mode to User mode is required while malfunction is being detected, turn ignition switch
as follows:
1. Turn ignition switch "ON".
2. After "AIR BAG" warning lamp lights for 7 seconds, turn ignition switch "OFF" within 1 second.
3. Wait more than 3 seconds.
4. Repeat steps 1 to 3 three times.
5. Turn ignition switch "ON".
HOW TO ERASE SELF-DIAGNOSIS RESULTS
With CONSULT-II
G "SELF-DIAG [CURRENT]"
A current Self-diagnosis result is displayed on the CONSULT-II screen in real time.

Revision: December 2006 SRS-8 2006 Sentra
TROUBLE DIAGNOSIS

After the malfunction is repaired completely, no malfunction is detected on "SELF-DIAG [CURRENT]".
G "SELF-DIAG [PAST]" A
Return to the "SELF-DIAG [CURRENT]" CONSULT-II screen by pushing "BACK" key of CONSULT-II and
select "SELF-DIAG [CURRENT]" in SELECT DIAG MODE. Touch "ERASE" in "SELF-DIAG [CURRENT]"
mode. B
NOTE:
If the memory of the malfunction in "SELF-DIAG [PAST]" is not erased, the User mode shows the
system malfunction by the operation of the warning lamp even if the malfunction is repaired com-
C
pletely.

G "TROUBLE DIAG RECORD"
The memory of "TROUBLE DIAG RECORD" cannot be erased. D

F
SRS701

Without CONSULT-II G
After a malfunction is repaired, switch the ignition "OFF" for at least one second, then back "ON". Diagnosis
mode returns to the User mode. At that time, the self-diagnostic result is cleared.
SRS

Revision: December 2006 SRS-9 2006 Sentra
TROUBLE DIAGNOSIS

CONSULT-II Function (AIR BAG) EHS0017A

CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
AIR BAG diagnostic mode Description
A current Self-diagnosis result (also indicated by the number of warning lamp flashes in the Diagnosis
SELF-DIAG [CURRENT] mode) is displayed on the CONSULT-II screen in real time. This refers to a malfunctioning part requir-
ing repairs.
Diagnosis results previously stored in the memory are displayed on the CONSULT-II screen. The
SELF-DIAG [PAST]
stored results will remain until memory erasing is executed.
With TROUBLE DIAG RECORD, diagnosis results previously erased by a reset operation can be dis-
TROUBLE DIAG RECORD
played on the CONSULT-II screen.
The diagnosis sensor unit for each vehicle model
is assigned with its own, individual classification
number. This number will be displayed on the
CONSULT-II screen, as shown. When replacing
the diagnosis sensor unit, refer to the part number
for the compatibility. After installation, replacement
ECU DISCRIMINATED NO. with a correct unit can be checked by confirming
this classification number on the CONSULT-II
screen.
For NISSAN MODEL B15, the diagnosis sensor
unit discriminated numbers assigned are A616
(for models with side air bags) and A615 (for
ARS366
models without side air bags).

Revision: December 2006 SRS-10 2006 Sentra
TROUBLE DIAGNOSIS

How to Perform Trouble Diagnoses for Quick and Accurate Repair EHS000JN

A
A good understanding of the malfunction conditions can make troubleshooting faster and more accurate.
In general, each customer feels differently about a malfunction. It is important to fully understand the symp-
toms or conditions for a customer complaint.
B
INFORMATION FROM CUSTOMER
WHAT ..... Vehicle model
WHEN ..... Date, Frequencies
C
WHERE ..... Road conditions
HOW ..... Operating conditions, Symptoms
PRELIMINARY CHECK D
Check that the following parts are in good order.
G Battery [Refer to SC-4, "BATTERY" .]
G Fuse E
G System component-to-harness connections

SRS

Revision: December 2006 SRS-11 2006 Sentra
TROUBLE DIAGNOSIS

WORK FLOW
NOTE:
Seat belt pre-tensioner malfunction is indicated by "AIR BAG" warning lamp.

WRS155

*1: SRS-11 *2: SRS-17 *3: SRS-17
*4: SRS-28 *5: SRS-21 *6: SRS-33

Revision: December 2006 SRS-12 2006 Sentra
TROUBLE DIAGNOSIS

Schematic EHS000JO

SRS

WHWA0045E

Revision: December 2006 SRS-13 2006 Sentra
TROUBLE DIAGNOSIS

Wiring Diagram -- SRS -- EHS000JP

WHWA0085E

Revision: December 2006 SRS-14 2006 Sentra
TROUBLE DIAGNOSIS

SRS

WHWA0086E

Revision: December 2006 SRS-15 2006 Sentra
TROUBLE DIAGNOSIS

WHWA0087E

Revision: December 2006 SRS-16 2006 Sentra
TROUBLE DIAGNOSIS

SRS Operation Check EHS000JQ

DIAGNOSTIC PROCEDURE 1 A
Checking Air Bag Operation by Using "AIR BAG" Warning Lamp -- User Mode
1. After turning ignition switch from "OFF" to "ON", "AIR BAG"
warning lamp operates. B
2. Compare "AIR BAG" warning lamp operation to the chart below.

WRS151
E

"AIR BAG" warning lamp operation -- User mode -- SRS condition Reference item
No malfunction is F
detected. No further action
is necessary.
--
G

MRS095A
SRS
The system is malfunc- Go to SRS-17, "DIAG-
tioning and needs to be NOSTIC PROCEDURE 2"
repaired as indicated. or SRS-28, "DIAGNOSTIC
PROCEDURE 6" . I

MRS096A J
Air bag is deployed. Go to SRS-46, "COLLI-
Front seat belt pre-ten- SION DIAGNOSIS" .
sioner is deployed. K
Air bag fuse, diagnosis Go to SRS-35, "DIAG-
sensor unit or harness is NOSTIC PROCEDURE 9"
malfunctioning and needs .
L
to be repaired.
MRS097A

One of the following has Go to SRS-36, "DIAG-
occurred and needs to be NOSTIC PROCEDURE M
repaired. 10" .
G Meter fuse is blown.
G "AIR BAG" warning
lamp circuit has open or
short.
MRS098A G Diagnosis sensor unit is
malfunctioning.

Trouble Diagnoses with CONSULT-II EHS000JR

DIAGNOSTIC PROCEDURE 2
Inspecting SRS malfunctioning parts by using CONSULT-II -- Diagnosis mode
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunction might be detected
in self-diagnosis depending on control unit which carry out CAN communication.

Revision: December 2006 SRS-17 2006 Sentra
TROUBLE DIAGNOSIS

1. Turn ignition switch OFF.
2. Connect CONSULT-II to the data link connector.

LEC297

3. Turn ignition switch ON.
4. Touch "START (NISSAN BASED VHCL)".

BCIA0029E

5. Touch "AIR BAG".
If "AIR BAG" is not indicated, refer to GI-38, "CONSULT-II Data
Link Connector (DLC) Circuit" .

BCIA0030E

6. Touch "SELF-DIAG [CURRENT]".

BCIA0031E

Revision: December 2006 SRS-18 2006 Sentra
TROUBLE DIAGNOSIS

7. Diagnostic code is displayed on "SELF-DIAG [CURRENT]".
A

WHIA0151E

D
If no malfunction is detected on "SELF-DIAG [CURRENT]" even
though malfunction is detected in "SRS Operation Check", refer to
SRS-23, "DIAGNOSTIC PROCEDURE 4 (CONTINUED FROM E
DIAGNOSTIC PROCEDURE 2)" , to diagnose the following cases:
G Self-diagnostic result "SELF-DIAG [PAST]" (previously stored in
the memory) might not be erased after repair. F
G The SRS system malfunctions intermittently.
8. Touch "PRINT".
9. Compare diagnostic codes. Refer to SRS-19, "CONSULT-II G
Diagnostic Code Chart ("SELF-DIAG [CURRENT]")" . SRS701
10. Touch "BACK" key of CONSULT-II until "SELECT SYSTEM"
appears in order to return to User mode from Diagnosis mode. SRS
11. Turn ignition switch "OFF", then turn off and disconnect CONSULT-II and disconnect both battery cables.
12. Repair the system as outlined by the "Repair order" in "CONSULT-II Diagnostic Code Chart", that corre-
sponds to the self-diagnostic result. I
13. After repairing the system, refer to SRS-21, "DIAGNOSTIC PROCEDURE 3" for final checking.
CONSULT-II Diagnostic Code Chart ("SELF-DIAG [CURRENT]")
J
Repair order
Diagnostic item Explanation
Recheck SRS at each replacement.
When malfunction is G Self-diagnostic result "SELF-DIAG G Go to SRS-23, "DIAGNOSTIC PRO-
K
indicated by the "AIR [PAST]" (previously stored in the CEDURE 4 (CONTINUED FROM
BAG" warning lamp in memory) might not be erased after DIAGNOSTIC PROCEDURE 2)" .
User mode repair.

NO DTC IS G Intermittent malfunction has been L
DETECTED. detected in the past.
G Go to SRS-21, "DIAGNOSTIC PRO-
G Low battery voltage (Less than 9V)
CEDURE 3" after charging battery. M
G No malfunction is detected. G Go to SRS-21, "DIAGNOSTIC PRO-
CEDURE 3" .

Revision: December 2006 SRS-19 2006 Sentra
TROUBLE DIAGNOSIS

Repair order
Diagnostic item Explanation
Recheck SRS at each replacement.
DRIVER AIR BAG G Driver air bag module circuit is open. (including the spiral cable) 1. Visually check the wiring harness
MODULE connection.
[OPEN] 2. Replace the harness if it has visible
[B1049] damage.
DRIVER AIR BAG G Driver air bag module circuit is shorted to some power supply 3. Replace the spiral cable.
MODULE circuit. (including the spiral cable) 4. Replace driver air bag module.
[VB-SHORT]
[B1050] 5. Replace the diagnosis sensor unit.
6. Replace the related harness.
DRIVER AIR BAG G Driver air bag module circuit is shorted to ground. (including the
MODULE spiral cable)
[GND-SHORT]
[B1051]
DRIVER AIR BAG G Driver air bag module circuits are shorted to each other.
MODULE
[SHORT]
[B1052]
ASSIST A/B MODULE G Front passenger air bag module circuit is open.
[OPEN]
[B1065] 1. Visually check the wiring harness
ASSIST A/B MODULE G Front passenger air bag module circuit is shorted to some connection.
[VB-SHORT] power supply circuit. 2. Replace the harness if it has visible
[B1066] damage.
ASSIST A/B MODULE G Front passenger air bag module circuit is shorted to ground. 3. Replace front passenger air bag
[GND-SHORT] module.
[B1067] 4. Replace the diagnosis sensor unit.
ASSIST A/B MODULE G Front passenger air bag module circuits are shorted to each 5. Replace the related harness.
[SHORT] other.
[B1068]
SIDE MODULE LH G Front LH side air bag module circuit is open. 1. Visually check the wiring harness
[OPEN] connection.
[B1134] 2. Replace the harness if it has visible
SIDE MODULE LH G Front LH side air bag module circuit is shorted to some power damage.
[VB-SHORT] supply circuits. 3. Replace front LH seatback assem-
[B1135] bly.
SIDE MODULE LH G Front LH side air bag module circuit is shorted to ground. 4. Replace the diagnosis sensor unit.
[GND-SHORT] 5. Replace the related harness.
[B1136]
SIDE MODULE LH G Front LH side air bag module circuits are shorted to each other.
[SHORT]
[B1137]
SIDE MODULE RH G Front RH side air bag module circuit is open. 1. Visually check the wiring harness
[OPEN] connection.
[B1129] 2. Replace the harness if it has visible
SIDE MODULE RH G Front RH side air bag module circuit is shorted to some power damage.
[VB-SHORT] supply circuits. 3. Replace front RH seatback assem-
[B1130] bly.
SIDE MODULE RH G Front RH side air bag module circuit is shorted to ground. 4. Replace the diagnosis sensor unit.
[GND-SHORT] 5. Replace the related harness.
[B1131]
SIDE MODULE RH G Front RH side air bag module circuits are shorted to each other.
[SHORT]
[B1132]

Revision: December 2006 SRS-20 2006 Sentra
TROUBLE DIAGNOSIS

Repair order
Diagnostic item Explanation
Recheck SRS at each replacement. A
G LH side air bag (satellite) sensor 1. Visually check the wiring harness
connection.
SATELLITE SENS LH
[UNIT FAIL] 2. Replace the harness if it has visible B
[B1118] or [B1119] damage.
SATELLITE SENS LH 3. Replace the LH side air bag (satel-
[COMM FAIL] lite) sensor.
C
[B1120] 4. Replace the diagnosis sensor unit.
5. Replace the related harness.
G RH side air bag (satellite) sensor 1. Visually check the wiring harness D
connection.
SATELLITE SENS RH
[UNIT FAIL] 2. Replace the harness if it has visible
[B1113] or [B1114] damage.
E
SATELLITE SENS RH 3. Replace the RH side air bag (satel-
[COMM FAIL] lite) sensor.
[B1115] 4. Replace the diagnosis sensor unit.
5. Replace the related harness. F
PRE-TEN FRONT LH G The circuit for the front LH pre-tensioner is open to some power 1. Visually check the wiring harness
[OPEN] supply circuit. connections.
[B1086] 2. Replace the harness if it has visible G
PRE-TEN FRONT LH G The circuit for the front LH pre-tensioner is shorted to some damage.
[VB-SHORT] power supply circuit. 3. Replace the front LH seat belt.
[B1087] 4. Replace the diagnosis sensor unit. SRS
PRE-TEN FRONT LH G The circuit for the front LH pre-tensioner is shorted to ground. 5. Replace the related harness.
[GND-SHORT]
[B1088]
I
PRE-TEN FRONT LH G The circuits for the front LH pre-tensioner are shorted to each
[SHORT] other.
[B1089]
J
PRE-TEN FRONT RH G The circuit for the front RH pre-tensioner is open to some power 1. Visually check the wiring harness
[OPEN] supply circuit. connections.
[B1081] 2. Replace the harness if it has visible
PRE-TEN FRONT RH G The circuit for the front RH pre-tensioner is shorted to some damage. K
[VB-SHORT] power supply circuit. 3. Replace the front RH seat belt.
[B1082] 4. Replace the diagnosis sensor unit.
PRE-TEN FRONT RH G The circuit for the front RH pre-tensioner is shorted to ground. 5. Replace the related harness. L
[GND-SHORT]
[B1083]
PRE-TEN FRONT RH G The circuits for the front RH pre-tensioner are shorted to each M
[SHORT] other.
[B1084]
G Diagnosis sensor unit is malfunctioning. 1. Visually check wiring harness con-
nections.
CONTROL UNIT 2. Replace the harness if it has visible
[B1XXX] damage.
3. Replace diagnosis sensor unit.
4. Replace the related harness.
Follow the procedures in numerical order when repairing malfunctioning parts. Confirm whether malfunction is eliminated
using the air bag warning lamp or CONSULT-II each time repair is finished. If malfunction is still observed, proceed to the next
step. When malfunction is eliminated, further repair work is not required.

DIAGNOSTIC PROCEDURE 3
Final checking after repairing SRS by using CONSULT-II -- Diagnosis mode
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunction might be detected
in self-diagnosis depending on control unit which carry out CAN communication.

Revision: December 2006 SRS-21 2006 Sentra
TROUBLE DIAGNOSIS

1. After repairing SRS, connect both battery cables.
2. Connect CONSULT-II to data link connector.
3. Turn ignition switch ON.

LEC297

4. Touch "START (NISSAN BASED VHCL)".

BCIA0029E

5. Touch "AIR BAG".
If "AIR BAG" is not indicated, refer to GI-38, "CONSULT-II Data
Link Connector (DLC) Circuit" .

BCIA0030E

6. Touch "SELF-DIAG [CURRENT]".

BCIA0031E

Revision: December 2006 SRS-22 2006 Sentra
TROUBLE DIAGNOSIS

7. If no malfunction is detected on "SELF-DIAG [CURRENT]",
repair of SRS is completed. Go to step 8. A
If any malfunction is detected on "SELF-DIAG [CURRENT]", the
malfunctioning part is not repaired completely or another mal-
functioning part is detected. Go to SRS-17, "DIAGNOSTIC
B
PROCEDURE 2" , and repair malfunctioning part completely.

SRS701

D
8. Touch "ERASE".
NOTE:
Touch "ERASE" to clear the memory of the malfunction E
("SELF-DIAG [PAST]").
If the memory of the malfunction in "SELF-DIAG [PAST]" is not
erased, the User mode shows the system malfunction by the
operation of the warning lamp even if the malfunction is repaired F
completely.

G
WHIA0152E

9. Touch "BACK" key of CONSULT-II to "SELECT DIAG MODE" SRS
screen. Touch "SELF-DIAG [PAST]".

BCIA0031E K

10. Check that no malfunction is detected on "SELF-DIAG [PAST]".
11. Touch "BACK" key of CONSULT-II until "SELECT SYSTEM" L
appears in order to return to User mode from Diagnosis mode.
12. Turn ignition switch OFF then turn off and disconnect CON-
SULT-II. M
13. Go to SRS-17, "Checking Air Bag Operation by Using "AIR
BAG" Warning Lamp -- User Mode" .

SRS702

DIAGNOSTIC PROCEDURE 4 (CONTINUED FROM DIAGNOSTIC PROCEDURE 2)
Inspecting SRS malfunctioning record

1. CONSIDER POSSIBILITY OF NOT ERASING SELF-DIAGNOSTIC RESULT AFTER REPAIRING
Is it the first time for maintenance of SRS?
Yes or No
Yes >> Go to SRS-24, "DIAGNOSTIC PROCEDURE 5" .
No >> Self-diagnostic result "SELF-DIAG [PAST]" (previously stored in the memory) might not be erased
after repair. Go to SRS-21, "DIAGNOSTIC PROCEDURE 3" .

Revision: December 2006 SRS-23 2006 Sentra
TROUBLE DIAGNOSIS

DIAGNOSTIC PROCEDURE 5
Inspecting SRS intermittent malfunction by using CONSULT-II -- Diagnosis mode
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunction might be detected
in self-diagnosis depending on control unit which carry out CAN communication.
1. Turn ignition switch OFF.
2. Connect CONSULT-II to data link connector.

LEC297

3. Turn ignition switch ON.
4. Touch "START (NISSAN BASED VHCL)".

BCIA0029E

5. Touch "AIR BAG".
If "AIR BAG" is not indicated, refer to GI-38, "CONSULT-II Data
Link Connector (DLC) Circuit" .

BCIA0030E

6. Touch "SELF-DIAG [PAST]".

BCIA0031E

Revision: December 2006 SRS-24 2006 Sentra
TROUBLE DIAGNOSIS

7. If diagnostic codes are displayed on "SELF-DIAG [PAST]", go to
step 10. A

WHIA0152E

D
If no malfunction is detected on "SELF-DIAG [PAST]", touch
"BACK" and go back to "SELECT DIAG MODE".
E

G
SRS702

8. Touch "TROUBLE DIAG RECORD". SRS
NOTE:
With "TROUBLE DIAG RECORD", diagnosis results previ-
ously erased by a reset operation can be displayed. I

BCIA0031E K

9. Diagnostic code is displayed on "TROUBLE DIAG RECORD".
10. Touch "PRINT". L
11. Compare diagnostic codes to SRS-26, "Intermittent Malfunction
Diagnostic Code Chart ("SELF-DIAG [PAST]" or "TROUBLE
DIAG RECORD")" . M
12. Touch "BACK" key of CONSULT-II until "SELECT SYSTEM"
appears.
13. Turn ignition switch OFF, then turn off and disconnect CON-
SULT-II, and both battery cables.
14. Repair the system as outlined by the "Repair order" in "Intermit- WHIA0153E
tent Malfunction Diagnostic Code Chart", that corresponds to the
self-diagnostic result. For replacement procedure of component parts, refer to the Removal and Installa-
tion procedure for the appropriate component.
15. Go to SRS-21, "DIAGNOSTIC PROCEDURE 3" , for final checking.

Revision: December 2006 SRS-25 2006 Sentra
TROUBLE DIAGNOSIS

Intermittent Malfu

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