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SRS

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H RESTRAINTS

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
SECTION SRS B

E
CONTENTS
PRECAUTIONS ......................................................... 3
. DIAGNOSTIC PROCEDURE 3 .......................... 27 . F
Precautions for Supplemental Restraint System DIAGNOSTIC PROCEDURE 4 .......................... 28 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- DIAGNOSTIC PROCEDURE 5 .......................... 28 .
SIONER" ................................................................. 3
. Trouble Diagnosis Without CONSULT-II ................ 30 . G
Precautions for SRS "AIR BAG" and "SEAT BELT DIAGNOSTIC PROCEDURE 6 .......................... 30 .
PRE-TENSIONER" Service .................................... 3 . WARNING LAMP FLASH CODE CHART .......... 31 .
Occupant Classification System Precaution ........... 3 . Trouble Diagnosis: "AIR BAG" Warning Lamp Does
SRS
PREPARATION .......................................................... 4
. Not Turn Off ........................................................... 35
.
Special Service Tools .............................................. 4
. DIAGNOSTIC PROCEDURE 7 .......................... 35 .
SUPPLEMENTAL RESTRAINT SYSTEM (SRS) ...... 5 . Trouble Diagnosis: "AIR BAG" Warning Lamp Does
SRS Configuration .................................................. 5
. Not Turn On ........................................................... 36
. I
Driver Air Bag Module ............................................. 6
. DIAGNOSTIC PROCEDURE 8 .......................... 36 .
Front Passenger Air Bag Module ............................ 6 . DRIVER AIR BAG MODULE ................................... 37 .
Front Side Air Bag ................................................... 6
. Removal and Installation ....................................... 37 . J
Side Curtain Air Bag ................................................ 6
. REMOVAL .......................................................... 37
.
Front Seat Belt Pre-tensioner with Load Limiter ..... 7 INSTALLATION .................................................. 38 .
Occupant Classification System (OCS) .................. 7 . SPIRAL CABLE ....................................................... 39.
K
Direct-connect SRS Component Connectors .......... 7 . Removal and Installation ....................................... 39 .
TROUBLE DIAGNOSIS ............................................. 9 . REMOVAL .......................................................... 39
.
Trouble Diagnosis Introduction ................................ 9 . INSTALLATION .................................................. 40 .
DIAGNOSIS FUNCTION ...................................... 9 . FRONT PASSENGER AIR BAG MODULE ............. 41 . L
HOW TO PERFORM TROUBLE DIAGNOSES Removal and Installation ....................................... 41 .
FOR QUICK AND ACCURATE REPAIR .............. 9 . REMOVAL .......................................................... 41
.
WORK FLOW ..................................................... 10. INSTALLATION .................................................. 42 . M
SRS Components Parts Location ...........................11 . WIRING HARNESS MODIFICATION ................. 43 .
Schematic ............................................................. 12
. SIDE CURTAIN AIR BAG MODULE ....................... 45 .
Wiring Diagram -- SRS -- .................................... 13 . Removal and Installation ....................................... 45 .
CONSULT-II Function (AIR BAG) .......................... 19 . REMOVAL .......................................................... 45
.
CONSULT-II Function ........................................... 19 . INSTALLATION .................................................. 45 .
HOW TO CHANGE SELF-DIAGNOSIS MODE CRASH ZONE SENSOR .......................................... 47 .
WITH CONSULT-II ............................................. 19 . Removal and Installation ....................................... 47 .
HOW TO ERASE SELF-DIAGNOSIS RESULTS 20 ... REMOVAL .......................................................... 47
.
Self-Diagnosis Function (Without CONSULT-II) .... 20 . INSTALLATION .................................................. 47 .
HOW TO CHANGE SELF-DIAGNOSIS MODE... 21 SIDE AIR BAG (SATELLITE) SENSOR .................. 48 .
HOW TO ERASE SELF-DIAGNOSIS RESULTS 21 ... Removal and Installation ....................................... 48 .
SRS Operation Check ........................................... 21 . REMOVAL .......................................................... 48
.
DIAGNOSTIC PROCEDURE 1 .......................... 21 . INSTALLATION .................................................. 48 .
Trouble Diagnosis With CONSULT-II .................... 23 . FRONT SEAT BELT PRE-TENSIONER .................. 49 .
DIAGNOSTIC PROCEDURE 2 .......................... 23 . Removal and Installation ....................................... 49 .

Revision: September 2006 SRS-1 2007 Xterra
DIAGNOSIS SENSOR UNIT .................................... 50 . SRS INSPECTION (FOR FRONTAL COLLI-
Removal and Installation ....................................... 50 . SION) ..................................................................52
.
REMOVAL .......................................................... 50
. For Side and Rollover Collision ..............................53 .
INSTALLATION ................................................... 50. WHEN SRS IS ACTIVATED IN THE SIDE OR
ECU DISCRIMINATED NUMBER ...................... 50 . ROLLOVER COLLISION ....................................53 .
OCCUPANT CLASSIFICATION SYSTEM CON- WHEN SRS IS NOT ACTIVATED IN THE SIDE
TROL UNIT ............................................................... 51
. OR ROLLOVER COLLISION ..............................53 .
Removal and Installation ....................................... 51 . SRS INSPECTION (FOR SIDE AND ROLLOVER
COLLISION DIAGNOSIS ......................................... 52 . COLLISION) ........................................................54.
For Frontal Collision ............................................... 52
.

Revision: September 2006 SRS-2 2007 Xterra
PRECAUTIONS

PRECAUTIONS PFP:00001
A
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" EHS001DP

The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along B
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. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front C
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Man-
ual.
WARNING: D
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. E
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. F
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.
G
Precautions for SRS "AIR BAG" and "SEAT BELT PRE-TENSIONER" Service
EHS001DQ

G Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual. SRS
G 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 I
pre-tensioner to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes
have passed.
G 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 the air bag diagnosis sensor unit for cracks, deformi- J
ties or rust before installation 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. K
G 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. L
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.
M
Occupant Classification System Precaution EHS001G2

Replace control unit and passenger front seat cushion as an assembly.

Revision: September 2006 SRS-3 2007 Xterra
PREPARATION

PREPARATION PFP:00002

Special Service Tools EHS001DT

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number Description
(Kent-Moore No.)
Tool name
-- Removing and installing air bag lock
(J-42057-UPD)
Air bag key set
Part of kit (J-42057)

LRS210

Revision: September 2006 SRS-4 2007 Xterra
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

SUPPLEMENTAL RESTRAINT SYSTEM (SRS) PFP:28556
A
SRS Configuration EHS001G3

SRS

WHIA0224E

J
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 systems. For example, the driver air bag module, front passenger air bag module and front
seat belt pre-tensioners are activated in a frontal collision but not in a side collision. K
SRS configurations for some collision modes are as follows:
Right side colli-
SRS configuration Frontal collision Left side collision Rollover L
sion
Driver air bag module x -- -- --
Front passenger air bag module x -- -- --
M
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

Revision: September 2006 SRS-5 2007 Xterra
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

Driver Air Bag Module EHS0025M

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.

WHIA0325E

Front Passenger Air Bag Module EHS0025N

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 SRS-7, "Occupant Classi-
fication System (OCS)" for more information.

WHIA0332E

Front Side Air Bag EHS001LQ

Front side air bag modules are built into the front seatback assemblies.
Vehicles with side air bags are equipped with labels as shown.

WHIA0327E

Side Curtain Air Bag EHS001LR

Side curtain air bag modules are located above the vehicle headlining.
Vehicles with side curtain air bags are equipped with labels as
shown.

WHIA0041E

Revision: September 2006 SRS-6 2007 Xterra
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

Front Seat Belt Pre-tensioner with Load Limiter EHS001LP

A
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. 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
WHIA0225E
twisting of the ELR shaft, and a relaxation of the chest-area seat belt
web tension while maintaining force.
E
Occupant Classification System (OCS) EHS001S8

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-
F
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 G
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: SRS
In case of customer concern, CONSULT-II can be used to confirm the passenger air bag status (readiness).
Passenger Air Bag Status Conditions
Front Passenger Seat PASS AIR BAG OFF Indicator Passenger Air Bag Status
I
CONSULT-II Display
(Condition) (Status) (Readiness)
Seat occupied OFF Active (enabled) ON
J
NOTE ON Deactivated (disabled) OFF
Seat occupied
Seat empty OFF Deactivated (disabled) OFF
NOTE: K
Passenger does not meet Occupant Classification System specifications for passenger air bag activation.

WHIA0195E

Direct-connect SRS Component Connectors EHS001G8

The following SRS components use direct-connect style harness connectors.
G Driver air bag module
G Front passenger air bag module
G LH side curtain air bag module
G RH side curtain air bag module
G Front LH seat belt pre-tensioner
G Front RH seat belt pre-tensioner
Always pull up to release locking tab prior to removing connector from SRS component.

Revision: September 2006 SRS-7 2007 Xterra
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

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.

WHIA0103E

Revision: September 2006 SRS-8 2007 Xterra
TROUBLE DIAGNOSIS

TROUBLE DIAGNOSIS PFP:00004
A
Trouble Diagnosis Introduction EHS001G9

CAUTION:
G Do not use electrical test equipment on any circuit related to the SRS unless instructed to do so in B
this Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harness con-
nectors.
G Do not attempt to repair, splice or modify SRS wiring harnesses. If a harness is damaged, replace C
it with a new one.
G Keep ground connections clean.
DIAGNOSIS FUNCTION D
The SRS self-diagnosis results can be read by using "AIR BAG" warning lamp and/or CONSULT-II.
The User mode is exclusively prepared for the customer (driver). This mode warns the driver of a system mal-
function through the operation of the "AIR BAG" warning lamp. E
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:
User mode Diagnosis mode Display type F
"AIR BAG" warning lamp X X ON-OFF operation
CONSULT-II -- X Monitoring
G
HOW TO PERFORM TROUBLE DIAGNOSES FOR QUICK AND ACCURATE REPAIR
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-
SRS
toms or conditions for a customer complaint.
Information From Customer
WHAT - Vehicle model I
WHEN - Date, Frequencies
WHERE - Road conditions
HOW - Operating conditions, Symptoms
J
Preliminary Check
Check that the following parts are in good order.
G Battery (Refer to SC-4, "How to Handle Battery" .) K
G Fuse (Refer to SRS-13, "Wiring Diagram -- SRS --" .)
G System component-to-harness connections
L

Revision: September 2006 SRS-9 2007 Xterra
TROUBLE DIAGNOSIS

WORK FLOW

WHIA0098E

*1: SRS-9 *2: SRS-21 *3: SRS-28
*4: SRS-30

Revision: September 2006 SRS-10 2007 Xterra
TROUBLE DIAGNOSIS

SRS Components Parts Location EHS001GA

SRS

I
WHIA0241E

1. Side curtain air bag modules 2. Front RH side air bag module 3. Front RH seat belt pre-tensioner
(If equipped) (If equipped)
4. Belt tension sensor 5. Seat belt buckle switch RH 6. RH side air bag (satellite) sensor
J
(If equipped)
7. Occupant classification system sen- 8. Occupant classification sys- 9. Front passenger air bag off indicator
sor tem control unit K
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
(If equipped) L
16. Front LH seat belt pre-tensioner 17. Air bag diagnosis sensor unit 18. Front LH side air bag module
(If equipped)

Revision: September 2006 SRS-11 2007 Xterra
TROUBLE DIAGNOSIS

Schematic EHS001GB

WHWA0276E

Revision: September 2006 SRS-12 2007 Xterra
TROUBLE DIAGNOSIS

Wiring Diagram -- SRS -- EHS001GC

SRS

WHWA0314E

Revision: September 2006 SRS-13 2007 Xterra
TROUBLE DIAGNOSIS

WHWA0272E

Revision: September 2006 SRS-14 2007 Xterra
TROUBLE DIAGNOSIS

SRS

WHWA0327E

Revision: September 2006 SRS-15 2007 Xterra
TROUBLE DIAGNOSIS

WHWA0274E

Revision: September 2006 SRS-16 2007 Xterra
TROUBLE DIAGNOSIS

SRS

WHWA0153E

Revision: September 2006 SRS-17 2007 Xterra
TROUBLE DIAGNOSIS

WHWA0275E

Revision: September 2006 SRS-18 2007 Xterra
TROUBLE DIAGNOSIS

CONSULT-II Function (AIR BAG) EHS001GD

A
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 B
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] C
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.
D
The air bag diagnosis sensor unit for each vehicle
model is assigned with its own, individual classifi-
cation number. This number will be displayed on
the CONSULT-II screen, as shown. When replac- E
ing the air bag diagnosis sensor unit, refer to the
part number for the compatibility. After installation,
replacement with a correct unit can be checked by
ECU DISCRIMINATED NO. F
confirming this classification number on the CON-
SULT-II screen.
The air bag diagnosis sensor unit discrimi-
nated numbers assigned are F64D (for models
with side and side curtain air bags) and F64C G
ARS366
(for models without side and side curtain air
bags).
The STATUS (readiness) of the front passenger air SRS
bag module is displayed. The STATUS displayed
(ON/OFF) depends on the signals supplied to the
occupant classification system control module and
air bag diagnosis sensor unit. Refer to SRS-7, I
"Occupant Classification System (OCS)" for more
PASSENGER AIR BAG information.
J

WHIA0290E
K

CONSULT-II Function EHS001GE

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

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.

Revision: September 2006 SRS-19 2007 Xterra
TROUBLE DIAGNOSIS

SRS804

HOW TO ERASE SELF-DIAGNOSIS RESULTS
G "SELF-DIAG [CURRENT]"
A current self-diagnosis result is displayed on the CONSULT-II
screen in real time.
After the malfunction is repaired completely, no malfunction is
detected on "SELF-DIAG [CURRENT]".

SRS701

G "SELF-DIAG [PAST]"
Return to the "SELF-DIAG [CURRENT]" CONSULT-II screen by
touching "BACK" key of CONSULT-II and select "SELF-DIAG
[PAST]" in SELECT DIAG MODE. Touch "ERASE" in "SELF-
DIAG [PAST]" mode.
NOTE:
If the memory of the malfunction in "SELF-DIAG [PAST]" is
not erased, the User mode will continue to show the system
malfunction by the operation of the warning lamp even if
the malfunction is repaired completely.
SRS702

G "TROUBLE DIAG RECORD"
The memory of "TROUBLE DIAG RECORD" cannot be erased.
Self-Diagnosis Function (Without CONSULT-II) EHS001GF

G The reading of these results is accomplished using one of two modes -- "User mode" and "Diagnosis
mode".
G After a malfunction is repaired, turn the ignition switch OFF for at least one second, then back ON. Diag-
nosis mode returns to the User mode. At that time, the self-diagnostic result is cleared.

Revision: September 2006 SRS-20 2007 Xterra
TROUBLE DIAGNOSIS

HOW TO CHANGE SELF-DIAGNOSIS MODE
A

SHIA0183E

G
HOW TO ERASE SELF-DIAGNOSIS RESULTS
After a malfunction is repaired, turn the ignition switch 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
SRS Operation Check EHS001GG

DIAGNOSTIC PROCEDURE 1
Checking SRS Operation Using "AIR BAG" Warning Lamp--User Mode I
1. Turn the ignition switch from OFF to ON, and check that the air bag warning lamp blinks.
2. Compare the SRS air bag warning lamp blinking pattern with the
examples. J

BF-1845D
M

Revision: September 2006 SRS-21 2007 Xterra
TROUBLE DIAGNOSIS

Warning lamp examples
"AIR BAG" warning lamp operation-User mode- SRS condition Reference item

G No malfunction is detected.
--
G No further action is necessary.

SHIA0011E

Go to SRS-23, "DIAGNOSTIC
The system is malfunctioning and PROCEDURE 2" with CONSULT-
needs to be repaired as indicated. II or SRS-30, "DIAGNOSTIC PRO-
CEDURE 6" without CONSULT-II.

SHIA0012E

G Air bag is deployed. Go to SRS-52, "COLLISION DIAG-
G Seat belt pre-tensioner is deployed. NOSIS" .

G Air bag diagnosis sensor unit is mal-
functioning.
Go to SRS-35, "Trouble Diagnosis:
G Air bag power supply circuit is mal-
"AIR BAG" Warning Lamp Does Not
functioning.
Turn Off" .
G SRS air bag warning lamp circuit is
malfunctioning.

SHIA0013E

G Air bag diagnosis sensor unit is mal-
functioning. Go to SRS-36, "Trouble Diagnosis:
"AIR BAG" Warning Lamp Does Not
G Air bag warning lamp circuit is mal- Turn On" .
functioning.

SHIA0014E

Revision: September 2006 SRS-22 2007 Xterra
TROUBLE DIAGNOSIS

Trouble Diagnosis With CONSULT-II EHS0025O

DIAGNOSTIC PROCEDURE 2 A
Refer to GI-38, "CONSULT-II Start Procedure" .
Diagnostic code is displayed on "SELF-DIAG [CURRENT]".
B

WHIA0151E

E
If no malfunction is detected on "SELF-DIAG [CURRENT]", but mal-
function is detected in "SRS Operation Check", the following cases
may exist: F
G "SELF-DIAG [PAST]" memory might not be erased.
G The SRS system malfunctions intermittently.
Refer to SRS-28, "DIAGNOSTIC PROCEDURE 4" . G

SRS
SRS701

CONSULT-II Diagnostic Code Chart I
Repair order
Diagnostic item Explanation
Recheck SRS at each replacement
Low battery voltage (Less than 9V) 1. Go to SC-4, "BATTERY" . J
Malfunction is indi- 2. Go to SRS-27, "DIAGNOSTIC PRO-
cated by the "AIR CEDURE 3" .
BAG" warning lamp in "SELF-DIAG [PAST]" memory might Go to SRS-28, "DIAGNOSTIC PRO- K
NO DTC IS DETECTED User mode. not be erased. CEDURE 4" .
Intermittent malfunction has been Go to SRS-28, "DIAGNOSTIC PRO-
detected in the past. CEDURE 5" .
L
No malfunction is detected in User mode. --
DRIVER AIRBAG MODULE Driver air bag module circuit is open (including the spiral 1. Visually check the wiring harness
[OPEN] cable). connection. M
[B1049] or [B1054] 2. Replace the harness if it has visible
DRIVER AIRBAG MODULE Driver air bag module circuit is shorted to some power supply damage.
[VB-SHORT] circuit (including the spiral cable). 3. Replace driver air bag module.
[B1050] or [B1055] 4. Replace the spiral cable.
DRIVER AIRBAG MODULE Driver air bag module circuit is shorted to ground (including 5. Replace the air bag diagnosis sen-
[GND-SHORT] the spiral cable). sor unit.
[B1051] or [B1056]
6. Replace the related harness.
DRIVER AIRBAG MODULE Driver air bag module circuits are shorted to each other.
[SHORT]
[B1052] or [B1057]

Revision: September 2006 SRS-23 2007 Xterra
TROUBLE DIAGNOSIS

Repair order
Diagnostic item Explanation
Recheck SRS at each replacement
ASSIST A/B MODULE Front passenger air bag module circuit is open. 1. Visually check the wiring harness
[OPEN] connection.
[B1065] or [B1070] 2. Replace the harness if it has visible
ASSIST A/B MODULE Front passenger air bag module circuit is shorted to some damage.
[VB-SHORT] power supply circuit. 3. Replace front passenger air bag
[B1066] or [B1071] module.
ASSIST A/B MODULE Front passenger air bag module circuit is shorted to ground. 4. Replace the air bag diagnosis sen-
[GND-SHORT] sor unit.
[B1067] or [B1072] 5. Replace the related harness.
ASSIST A/B MODULE Front passenger air bag module circuits are shorted to each
[SHORT] other.
[B1068] or [B1073]
Crash zone sensor 1. Visually check the wiring harness
connection.
CRASH ZONE SEN
[UNIT FAIL] 2. Replace the harness if it has visible
[B1033] or [B1034] damage.
CRASH ZONE SEN 3. Replace the crash zone sensor.
[COMM FAIL] 4. Replace the air bag diagnosis sen-
[B1035] sor unit.
5. Replace the related harness.
SIDE MODULE LH 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 Front LH side air bag module circuit is shorted to some power damage.
[VB-SHORT] supply circuit. 3. Replace front LH seat back assem-
[B1135] bly (front LH side air bag module).
SIDE MODULE LH Front LH side air bag module circuit is shorted to ground. 4. Replace the air bag diagnosis sen-
[GND-SHORT] sor unit.
[B1136] 5. Replace the related harness.
SIDE MODULE LH Front LH side air bag module circuits are shorted to each
[SHORT] other.
[B1137]
SIDE MODULE RH 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 Front RH side air bag module circuit is shorted to some damage.
[VB-SHORT] power supply circuit. 3. Replace front RH seat back assem-
[B1130] bly (front RH side air bag module).
SIDE MODULE RH Front RH side air bag module circuit is shorted to ground. 4. Replace the air bag diagnosis sen-
[GND-SHORT] sor unit.
[B1131] 5. Replace the related harness.
SIDE MODULE RH Front RH side air bag module circuits are shorted to each
[SHORT] other.
[B1132]
LH side air bag (satellite) sensor 1. Visually check the wiring harness
connection.
SATELLITE SENS LH 2. Replace the harness if it has visible
[UNIT FAIL] damage.
[B1118] or [B1119]
3. Replace the LH side air bag (satel-
SATELLITE SENS LH
lite) sensor.
[COMM FAIL]
[B1120] 4. Replace the air bag diagnosis sen-
sor unit.
5. Replace the related harness.

Revision: September 2006 SRS-24 2007 Xterra
TROUBLE DIAGNOSIS

Repair order
Diagnostic item Explanation
Recheck SRS at each replacement A
RH side air bag (satellite) sensor 1. Visually check the wiring harness
connection.
SATELLITE SENS RH 2. Replace the harness if it has visible B
[UNIT FAIL] damage.
[B1113] or [B1114]
3. Replace the RH side air bag (satel-
SATELLITE SENS RH
lite) sensor.
[COMM FAIL] C
[B1115] 4. Replace the air bag diagnosis sen-
sor unit.
5. Replace the related harness.
D
PRE-TEN FRONT LH The circuit for front LH seat belt pre-tensioner is open. 1. Visually check the wiring harness
[OPEN] connections.
[B1086] 2. Replace the harness if it has visible
damage. E
PRE-TEN FRONT LH The circuit for front LH seat belt pre-tensioner is shorted to
[VB-SHORT] some power supply circuit. 3. Replace front LH seat belt pre-ten-
[B1087] sioner.
PRE-TEN FRONT LH The circuit for front LH seat belt pre-tensioner is shorted to 4. Replace the air bag diagnosis sen- F
[GND-SHORT] ground. sor unit.
[B1088] 5. Replace the related harness.
PRE-TEN FRONT LH The circuits for the front LH seat belt pre-tensioner are G
[SHORT] shorted to each other.
[B1089]
PRE-TEN FRONT RH The circuit for front RH seat belt pre-tensioner is open. 1. Visually check the wiring harness
SRS
[OPEN] connections.
[B1081] 2. Replace the harness if it has visible
PRE-TEN FRONT RH The circuit for front RH seat belt pre-tensioner is shorted to damage.
[VB-SHORT] some power supply circuit. 3. Replace front RH seat belt pre-ten- I
[B1082] sioner.
PRE-TEN FRONT RH The circuit for front RH seat belt pre-tensioner is shorted to 4. Replace the air bag diagnosis sen-
[GND-SHORT] ground.

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