2001 NISSAN X-TRAIL ignition

SRS-16
TROUBLE DIAGNOSIS
SRS Operation Check
EHS000MZ
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.
2. Compare the SRS air bag warning lamp blinking pattern with the
examples.
BF-1845D

SRS-18
TROUBLE DIAGNOSIS
Trouble Diagnoses With CONSULT–II
EHS000O8
DIAGNOSTIC PROCEDURE 2
Inspecting SRS Malfunctioning Parts by Using CONSULT-II — DIAGNOSIS MODE
1. Turn ignition switch OFF.
2. Connect CONSULT-II to the data link connector.
3. Turn ignition switch ON.
4. Touch “START (NISSAN BASED VHCL)”.
5. Touch “AIR BAG”.
If "AIR BAG" is not indicated, GI-34, "
CONSULT-II Data Link
Connector (DLC) Circuit" .
6. On the “self-diagnosis mode selection” screen of CONSULT-II,
select the desired “self-diagnosis mode key”.
SIIA1249E
PHIA0157E
SRS771
SRS697

TROUBLE DIAGNOSIS
SRS-19
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SRS
a. Touch “SELF-DIAG [CURRENT]”.
●Diagnostic 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. Refer
to SRS-20, "
DIAGNOSTIC PROCEDURE 3"
●Low battery voltage (Less than 9V)
●After the malfunction part is repaired, the diagnosis results in “SELF-DIAG [PAST]” has not been
erased.
●An intermittent malfunction has been stored in the past.
NOTE:
Intermittent malfunction is a malfunction that has occurred once in the past, but soon recovered.
b. Touch “SELF-DIAG [PAST].
●The diagnostic code is displayed until erasing the memory in
the “SELF-DIAG [CURRENT]”.
c. Touch “TROUBLE DIAG RECORD”.
●The diagnosis results (malfunction parts stored in the diagno-
sis sensor unit) stored in the self-diagnosis results are dis-
played.
●The memory of “TROUBLE DIAG RECORD” cannot be
erased.
7. Each diagnostic code is displayed. Refer to SRS-21, "
DIAG-
NOSTIC CODE CHART"
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 both battery cables.
Then wait for at least 3 minutes.
SHIA0203E
SHIA0181E
SHIA0182E
SHIA0180E

SRS-20
TROUBLE DIAGNOSIS
10. After repairing the malfunction, touch “SELF-DIAG [CURRENT]”
to check that “No DTC IS DETECTED” is displayed.
●After checking the display, touch “ERASE”.
●If 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].
●If 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 - I I .
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 any malfunction is detected in "SRS Operation Check", but no malfunction is detected in “SELF-DIAG [CUR-
RENT]” on CONSULT-II, carry out the following steps.
1. CHECK BATTERY VOLTAGE
Disconnect both battery cables and check that the battery voltage is 9 V or more.
OK or NG
OK >> GO TO 2.
NG >> Charge the battery.
2. 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 3.
NO >> Erase the self-diagnostic results, and Check the "SRS Operation Check". Refer to SRS-16, "
SRS
Operation Check"
3. CHECK "SELF-DIAG [PAST]" BY CONSULT-II
Store the memory in "SELF-DIAG [PAST]"
YES or NO
YES >> Repair the part of "SELF-DIAG[PAST]"
NO >> Check the "TROUBLE DIAG RECORD", and then repair it. Refer to SRS-21, "
DIAGNOSTIC
CODE CHART"
SRS701
SRS702

TROUBLE DIAGNOSIS
SRS-23
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SRS
Trouble Diagnoses Without CONSULT-IIEHS000OA
DIAGNOSTIC PROCEDURE 4
CAUTION:
SRS will not enter diagnosis mode if no malfunction is detected in user mode.
1. Turn ignition switch “ON”.
2. After “AIR BAG” warning lamp lights for 7seconds, turn ignition switch “OFF” within 1seconds.
3. Wait more than 3 seconds.
4. Repeat the steps 1 to 3 two times.
5. Turn ignition switch ON”.
6. Compare the number of flashes to Air Bag Warning Lamp Flash Code.
7. Turn the ignition switch OFF, and disconnect both battery cables.
8. Repair the system as outlined by the “REPAIR ORDER” in “Warning Lamp Flash Code Chart” that corre-
sponds to flash code.
9. After the repairing of malfunction, connect both battery cables, and turn the ignition switch ON.
10. Check that no malfunction is detected.

TROUBLE DIAGNOSIS
SRS-27
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SRS
Trouble Diagnoses: “AIR BAG” Warning Lamp Does Not Turn OffEHS000OB
DIAGNOSTIC PROCEDURE 5
1.SEE THE DEPLOYMENT OF AIR BAG MODULE
Is air bag module deployed?
Ye s o r N o
Yes >> Refer to SRS-47, "COLLISION DIAGNOSIS" .
No >> GO TO 2.
2.CHECK THE AIR BAG FUSE
Check the fuse (No. 9).
Refer to PG-2, "
POWER SUPPLY ROUTING" .
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3.CHECK AIR BAG FUSE AGAIN
Replace “AIR BAG” fuse and turn ignition switch ON.
Is
“AIR BAG” fuse blown again?
Yes >> Repair main harness.
No >>INSPECTION END
4.CHECK DIAGNOSIS SENSOR UNIT
Connect CONSULT-II and touch “START”.
●Is “AIR BAG” displayed on CONSULT-II?
Ye s o r N o
Ye s > > G O T O 5 .
No >> Visually check the wiring harness connection of diagno-
sis sensor unit. If the harness connection check result is
OK, replace diagnosis sensor unit.
5.CHECK HARNESS CONNECTION
Is harness connection between warning lamp and diagnosis sensor unit OK?
OK or NG
OK >> Replace diagnosis sensor unit.
NG >> Connect “AIR BAG” warning lamp and diagnosis sensor unit connector properly. If “AIR BAG”
warning lamp still does not go off, replace harness.
SRS771

SRS-28
TROUBLE DIAGNOSIS
Trouble Diagnoses: “AIR BAG” Warning Lamp Does Not Turn On
EHS000OC
DIAGNOSTIC PROCEDURE 6
1. CHECK “METER” FUSE
Check the “METER” fuse (No. 11).
Refer to PG-2, "
POWER SUPPLY ROUTING" .
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2. CHECK “METER” FUSE AGAIN
Replace meter fuse and turn ignition switch ON.
Is meter fuse blown again?
Yes >> Repair the related harness.
No >>INSPECTION END
3. CHECK HARNESS CONNECTION BETWEEN DIAGNOSIS SENSOR UNIT AND COMBINATION
METER
Disconnect diagnosis sensor unit connector and turn ignition switch “ON”.
●Does “AIR BAG” warning lamp turn on?
Ye s o r N o
Yes >> Replace diagnosis sensor unit.
No >> Check the ground circuit of “AIR BAG” warning lamp.

DRIVER AIR BAG MODULE
SRS-29
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SRS
DRIVER AIR BAG MODULEPFP:K8510
Removal and Installation/With 4-Spoke Steering WheelEHS000D7
REMOVAL
CAUTION:
●Before servicing SRS, turn the ignition switch off, disconnect both battery cables and wait at least
3 minutes.
●Always work from the side of driver air bag module.
1. Remove the side lids. Using Tamper resistant TORX socket
(T30), remove the special bolts at right and left.
2. Disconnect the air bag harness connector. Then remove driver
air bag module.
CAUTION:
When removal of driver air bag module connector, insert
the lock using flat bladed screw driver with cloth. Then
push up the lock,
PHIA0021E
PHIA0017E
SHIA0239E