2003 NISSAN X-TRAIL warning

SRS-1
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
H RESTRAINTS
CONTENTS
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SRS
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
PRECAUTIONS .......................................................... 3
Supplemental Restraint System (SRS) “AIR BAG”
and “SEAT BELT PRE-TENSIONER” ...................... 3
Precautions for SRS “AIR BAG” and “SEAT BELT
PRE-TENSIONER” Service ..................................... 3
Trouble Diagnosis Precaution .................................. 3
PREPARATION ........................................................... 4
Special Service Tool ................................................. 4
Commercial Service Tool ......................................... 4
SUPPLEMENTAL RESTRAINT SYSTEM (SRS) ....... 5
SRS Configuration ................................................... 5
Front Seat Belt Pre-tensioner with Load Limiter ...... 5
Front Side Air Bag .................................................... 5
TROUBLE DIAGNOSIS .............................................. 7
Trouble Diagnoses-Introduction ............................... 7
DIAGNOSIS FUNCTION ....................................... 7
HOW TO PERFORM TROUBLE DIAGNOSES
FOR QUICK AND ACCURATE REPAIR ............... 7
WORK FLOW ........................................................ 7
SRS Components Parts Location ............................. 9
Wiring Diagram — SRS — /LHD models ............... 10
Wiring Diagram-SRS-/RHD models ....................... 12
CONSULT-II FUNCTION ........................................ 14
DIAGNOSIS MODE FOR CONSULT-II ............... 14
HOW TO CHANGE SELF-DIAGNOSIS MODE
WITH CONSULT-II .............................................. 14
HOW TO ERASE SELF-DIAGNOSIS RESULTS... 14
SELF-DIAGNOSIS FUNCTION (WITHOUT CON-
SULT-II) .................................................................. 15
HOW TO CHANGE SELF-DIAGNOSIS MODE... 15
HOW TO ERASE SELF-DIAGNOSIS RESULTS... 15
SRS Operation Check ............................................ 15
DIAGNOSTIC PROCEDURE 1 ........................... 15
Trouble Diagnoses with CONSULT–II .................... 17
DIAGNOSTIC PROCEDURE 2 ........................... 17
DIAGNOSTIC PROCEDURE 3 ........................... 20
DIAGNOSTIC PROCEDURE 4 ........................... 20
Trouble Diagnoses Without CONSULT-II ............... 22
DIAGNOSTIC PROCEDURE 5 ........................... 22
WARNING LAMP FLASH CODE CHART ........... 23Trouble Diagnoses: “AIR BAG” Warning Lamp Does
Not Turn Off ............................................................ 25
DIAGNOSTIC PROCEDURE 6 ........................... 25
Trouble Diagnoses: “AIR BAG” Warning Lamp Does
Not Turn On ............................................................ 26
DIAGNOSTIC PROCEDURE 7 ........................... 26
DRIVER AIR BAG MODULE .................................... 27
Removal and Installation/With 4-Spoke Steering
Wheel ..................................................................... 27
REMOVAL ........................................................... 27
INSTALLATION ................................................... 28
Removal and Installation/With 3-Spoke Steering
Wheel ..................................................................... 29
REMOVAL ........................................................... 29
INSTALLATION ................................................... 30
SPIRAL CABLE ........................................................ 31
Removal and Installation ........................................ 31
REMOVAL ........................................................... 31
INSTALLATION ................................................... 32
Components Inspection .......................................... 32
FRONT PASSENGER AIR BAG MODULE .............. 33
Removal and Installation ........................................ 33
REMOVAL ........................................................... 33
INSTALLATION ................................................... 33
FRONT SIDE AIR BAG MODULE ............................ 35
Removal and Installation ........................................ 35
REMOVAL ........................................................... 35
INSTALLATION ................................................... 36
SIDE AIR BAG (SATELLITE) SENSOR ................... 37
Removal and Installation ........................................ 37
REMOVAL ........................................................... 37
INSTALLATION ................................................... 37
FRONT SEAT BELT PRE-TENSIONER ................... 38
Removal and Installation ........................................ 38
DIAGNOSIS SENSOR UNIT ..................................... 39
Removal and Installation ........................................ 39
REMOVAL ........................................................... 39
INSTALLATION ................................................... 39
ECU DISCRIMINATED NO. ................................ 39
DISPOSAL OF AIR BAG MODULE AND SEAT BELT

TROUBLE DIAGNOSIS
SRS-7
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TROUBLE DIAGNOSISPFP:00004
Trouble Diagnoses-IntroductionEHS0 00 CL
CAUTION:
lDo not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harness can be identified by yellow harness connector.
lDo not attempt to repair, splice or modify the SRS wiring harness. If the harness is damaged,
replace it with a new one.
lKeep ground portion clean.
DIAGNOSIS FUNCTION
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.
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:
NOTE:
Seat belt pre-tensioner malfunction is indicated by “AIR BAG” warning lamp.
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-
toms or conditions for a customer complaint.
Information from customer
WHAT..... Vehicle model
WHEN..... Date, Frequencies
WHERE..... Road conditions
HOW..... Operating conditions, Symptoms
Preliminary check
Check that the following parts are in good order.
lBattery [Refer toSC-3, "BATTERY".]
lFuse [Refer toPG-2, "POWER SUPPLY ROUTING".]
lSystem component-to-harness connections
WORK FLOW
NOTE:
Seat belt pre-tensioner malfunction is indicated by “AIR BAG” warning lamp.
User mode Diagnosis mode Display type
“AIR BAG” warning lamp X X ON-OFF operation
CONSULT-II — X Monitoring

SRS-14
TROUBLE DIAGNOSIS
CONSULT-II FUNCTION
EHS000CP
DIAGNOSIS MODE FOR CONSULT-II
l“SELF-DIAG [CURRENT]”
A current Self-diagnosis result (also indicated by the number of warning lamp flashes in the Diagnosis
mode) is displayed on the CONSULT-II screen in real time. This refers to a malfunctioning part requiring
repairs.
l“SELF-DIAG [PAST]”
Diagnosis results previously stored in the memory are displayed on the CONSULT-II screen. The stored
results are not erased until memory erasing is executed.
l“TROUBLE DIAG RECORD”
With TROUBLE DIAG RECORD, diagnosis results previously erased by a reset operation can be dis-
played on the CONSULT-II screen.
l“ECU DISCRIMINATED NO.”
The diagnosis sensor unit for each vehicle model is assigned with its own, individual classification num-
ber. This number will be displayed on the CONSULT-II screen, as shown below. When replacing the diag-
nosis sensor unit, refer to the part number for the compatibility. After installation, replacement with a
correct unit can be checked by confirming this classification number on the CONSULT-II screen.
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.
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.
HOW TO ERASE SELF-DIAGNOSIS RESULTS
l“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]”.
l“SELF-DIAG [PAST]”
SRS803
SRS804

TROUBLE DIAGNOSIS
SRS-15
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SRS
Return to the “SELF-DIAG [CURRENT]” CONSULT-II screen by touching “BACK” key of CONSULT-II and
select “SELF-DIAG [CURRENT]” in SELECT DIAG MODE. Touch “ERASE” in “SELF-DIAG [CURRENT]”
mode.
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-
pletely.
l“TROUBLE DIAG RECORD”
The memory of “TROUBLE DIAG RECORD” cannot be erased
SELF-DIAGNOSIS FUNCTION (WITHOUT CONSULT-II)EHS000CQ
lThe reading of these results is accomplished using one of two modes — “User mode” and “Diagnosis
mode”.
lAfter 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.
HOW TO CHANGE SELF-DIAGNOSIS MODE
HOW TO ERASE SELF-DIAGNOSIS RESULTS
After a malfunction is repaired, turn the ignition switch “OFF” for at least one second, then back “ON”. Diagno-
sis mode returns to the User mode. At that time, the self-diagnostic result is cleared.
SRS Operation CheckEHS000CR
DIAGNOSTIC PROCEDURE 1
Checking air bag operation by using “AIR BAG” warning lamp — USER MODE
1. Turn the ignition switch from OFF to ON, and check that the air bag warning lamp blinks.
SRS701
SHIA0183E

SRS-16
TROUBLE DIAGNOSIS
2. Compare the SRS air bag warning lamp blinking pattern with the
examples.
BF-1845D

TROUBLE DIAGNOSIS
SRS-17
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Warninglampexamples
Trouble Diagnoses with CONSULT–IIEHS000CS
DIAGNOSTIC PROCEDURE 2
“AIR BAG” warning lamp operation-User mode- SRS condition Reference item
lNo malfunction is detected.
lNo further action is necessary.—
lThe system is malfunctioning and
need to be repaired as indicated.Go toSRS-20, "DIAGNOSTIC
PROCEDURE 4".
lAir bag is deployed.
lSeat belt pre-tensioner is deployed.Go toSRS-46, "
COLLISION DIAG-
NOSIS".
lDiagnosis sensor unit is malfunction-
ing.
lAir bag power supply circuit is mal-
functioning.
lSRS air bag warning lamp circuit is
malfunctioning.Go toSRS-25, "
Trouble Diagnoses:
“AIR BAG”Warning Lamp Does Not
Tu rn O ff".
lDiagnosis sensor unit is malfunction-
ing.
lAir bag warning lamp circuit is mal-
functioning.Go toSRS-26, "
Trouble Diagnoses:
“AIR BAG”Warning Lamp Does Not
Tu rn O n".
SHIA0011E
SHIA0012E
SHIA0013E
SHIA0014E

TROUBLE DIAGNOSIS
SRS-19
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a. Touch “SELF-DIAG [CURRENT]”.
lDiagnostic code is displayed on “SELF-DIAG [CURRENT]”.
i. If the malfunction is displayed in the “SRS Operation Check (Air bag warning lamp blinking) but no mal-
function is displayed in the “SELF-DIAG [CURRENT]”, the following possibilities shall be checked.
lAfter the malfunction part is repaired, the diagnosis results in “SELF-DIAG [PAST]” has not been
erased.
lAn intermittent malfunction has been stored in the past.
NOTE:
Intermittent malfunction is a malfunction that has occurred once in the past, but soon recovered. Refer to
“SRS-20, "
DIAGNOSTIC PROCEDURE 3"andSRS-20, "DIAGNOSTIC PROCEDURE 4".
b. Touch “SELF-DIAG [PAST].
lThe diagnostic code is displayed until erasing the memory in
the “SELF-DIAG [CURRENT]”.
c. Touch “TROUBLE DIAG RECORD”.
lThe diagnosis results (malfunction parts stored in the diagno-
sis sensor unit) stored in the self-diagnosis results are dis-
played.
lThe memory of “TROUBLE DIAG RECORD” cannot be
erased.
7. Each diagnostic code is displayed.
8. Touch “PRINT,” if required.
9. Based on each diagnosis result, repair or replace the malfunc-
tion parts.
CAUTION:
Be sure to start the work after the following steps. Turn the
ignition switch OFF, and disconnect the battery ground
cable. Then wait for at least 3 minutes.
SHIA0203E
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SRS-20
TROUBLE DIAGNOSIS
10. After repairing the malfunction, touch “SELF-DIAG [CURRENT]”
to check that “No DTC IS DETECTED” is displayed.
lAfter checking the display, touch “ERASE”.
lIf any malfunction is displayed on “SELF-DIAG [CURRENT],
repair or replace the malfunctioning again.
11. Touch “BACK” key of CONSULT-II to “SELECT SYSTEM”
screen. Touch “SELF-DIAG [PAST].
12. Check that no malfunction is detected on “SELF-DIAG [PAST].
lIf any malfunction is deployed, Touch “ERASE” in the “SELF-
DIAG [CURRENT]” screen, and check the display.
13. Turn ignition switch OFF, then turn off and disconnect CONSULT-II.
14. Turn ignition switch ON, and check the system with the SRS air bag warning lamp (User mode).
15. Check that no malfunction is detected. Now the diagnosis is complete.
DIAGNOSTIC PROCEDURE 3
Inspecting SRS malfunctioning record
If the warning lampreys mode) indicates any malfunction, but no malfunction is detected in “SELF-DIAG
[CURRENT]” on CONSULT-II, carry out the following steps.
lErase the memory that stored in diagnosis sensor unit.
lCheck that no malfunction is detected on “SELF-DIAG [PAST] and “TROUBLE DIAG RECORD” then go
toSRS-20, "
DIAGNOSTIC PROCEDURE 3".
lCheck that the battery voltage is 9V or more. If it is below 9V, charge the battery.
DIAGNOSTIC PROCEDURE 4
Inspecting SRS malfunctioning parts by using CONSULT-II — DIAGNOSIS MODE
lTouch “SELF-DIAG[PAST]” on CONSULT–II, repair or replace
the malfunction part displayed on the screen.
lIf no malfunction is displayed on “SELF-DIAG [PAST]”, touch
“BACK” key of CONSULT-II, then touch “TROUBLE DIAG
RECORD”. Malfunction part is displayed on CONSULT–II
screen, and repair or replace the malfunction part displayed on
the screen.
SRS701
SRS702
SHIA0181E