1999 NISSAN PRIMERA airbag off

Maintenance Items
CAUTION:
Do not use electrical test equipment to check SRS circuit.
1. Check operation of ªAIR BAGº warning lamp.
After turning ignition key to ªONº position, the ªAIR BAGº
warning lamp illuminates. The ªAIR BAGº warning lamp will
go off after about 7 seconds if no malfunction is detected.
If any of the following warning lamp conditions occur, imme-
diately check the air bag system. Refer to ªSRS-Operation
Checkº for details. (RS-37)
lThe ªAIR BAGº warning lamp does not come on when the
ignition switch is turned ªONº.
lThe ªAIR BAGº warning lamp does not go off about 7 sec-
onds after the ignition switch is turned ªONº.
lThe ªAIR BAGº warning lamp blinks about 7 seconds after
the ignition switch is turned ªONº.
2. Visually check SRS components.
(1) Diagnosis sensor unit
lCheck diagnosis sensor unit and bracket for dents, cracks or
deformities.
lCheck connectors for damage, and terminals for deformities.
(2) Air bag module and steering wheel
lRemove air bag module from steering wheel, instrument
panel or seat back. Check harness cover and connectors for
damage, terminals for deformities, and harness for binding.
lInstall driver's air bag module to steering wheel to check fit
or alignment with the wheel.
lCheck steering wheel for excessive free play.
lInstall passenger's air bag module to instrument panel to
check fit or alignment with the instrument panel.
lInstall side air bag module to seatback to check fit and align-
ment with the seat.
(3) Spiral cable
lCheck spiral cable for dents, cracks, or deformities.
lCheck connectors and protective tape for damage.
lCheck steering wheel for noise, binding or heavy operation.
(4) Main harness, body harness and air bag harness
lCheck connectors for poor connections, damage, and termi-
nals for deformities.
lCheck harnesses for binding, chafing or cuts.
(5) Seat belt pre-tensioner
lCheck harness cover and connectors for damage, terminals
for deformities, and harness for binding.
lCheck belts for damage and anchors for loose mounting.
lCheck retractor for smooth operation.
lPerform self-diagnosis for seat belt pre-tensioner using ªAIR
BAGº warning lamp or CONSULT-II. Refer to ªSRS Operation
Checkº for details. (RS-37)
(6) Side airbag (Satellite) sensor
lCheck Side airbag (Satellite) sensor (including bracket por-
tion) for dents, cracks or deformities.
lCheck connectors for damage, and terminals for deformities.
SRS797-A
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
RS-12

HOW TO CHANGE SELF-DIAGNOSIS MODE
With CONSULT-II
From User mode to Diagnosis mode
After selecting AIR BAG on the ªSELECT SYSTEMº screen, User mode automatically changes to Diagno-
sis mode.
From Diagnosis mode to User mode
To return to User mode from diagnosis mode, touch ªBACKº key of CONSULT-II until ªSELECT SYSTEMº
appears. Diagnosis mode automatically changes to User mode.
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 ªONº.
2) After ªAIR BAGº warning lamp lights for 7 seconds, turn ignition switch ªOFFº within 1 second.
3) Wait more than 3 seconds.
4) Repeat steps 1 to 3 three times.
5) Turn ignition switch ªONº.
SRS will not enter Diagnosis mode, if no malfunction is detected.
From Diagnosis Mode to User Mode
After a malfunction is repaired, switch the ignition ªOFFº for at least one second, then back ªONº. Diagno-
sis mode is returned to User mode.
If switching Diagnosis mode to User mode is required while malfunction is being detected, by turning igni-
tion switch as follows:
1) Turn ignition switch ªONº.
2) After ªAIR BAGº warning lamp lights for 7 seconds, turn ignition switch ªOFFº within 1 second.
3) Wait more than 3 seconds.
4) Repeat steps 1 to 3 three times.
5) Turn ignition switch ªONº.
NRS115 ªAIRBAGº warning lamp operation
indicates Diagnosis mode.
NRS116 ªAIRBAGº warning lamp operation
indicates User mode.
TROUBLE DIAGNOSES Ð Supplemental Restraint System (SRS)
Trouble Diagnoses Introduction (Cont'd)
RS-29

Trouble Diagnoses with CONSULT-II
DIAGNOSTIC PROCEDURE 2
Inspecting SRS malfunctioning parts by using CONSULT-II
Ð Diagnosis mode
1. Turn ignition switch to the ªOFFº.
2. Connect ªCONSULT-IIº to Data link connector.
3. Turn ignition switch ªONº.
4. Touch ªSTARTº.
5. Touch ªAIRBAGº.
6. Touch ªSELF-DIAG [CURRENT]º.
7. Diagnostic codes are displayed on ªSELF-DIAG [CUR-
RENT]º.
NRS071 Data link connector
SRS695
C2SSE01
C2SDM02
SRS772
TROUBLE DIAGNOSES Ð Supplemental Restraint System (SRS)
RS-38

If no malfunction is detected on ªSELF-DIAG [CURRENT]º but
malfunction is indicated by the ªAIR BAGº, warning lamp, go to
DIAGNOSTIC PROCEDURE 4, page RS-43, to diagnose the
following situations:
lSelf-diagnostic result ªSELF-DIAG [PAST]º (previously
stored in the memory) might not be erased after repair.
lThe SRS system malfunctions intermittently.
8. Touch ªPRINTº.
9. Compare diagnostic codes to ªCONSULT-II Diagnostic Code
Chartº, page RS-39.
10. Touch ªBACKº key of CONSULT-II until ªSELECT SYSTEM º
appears in order to return to User mode from Diagnosis
mode.
11. Turn ignition switch ªOFFº, then turn off and disconnect CON-
SULT-II and both battery cables.
12. Repair the system as outlined by the ªRepair orderº in ªCON-
SULT-II Diagnostic Code Chartº, that corresponds to the self-
diagnostic result. For replacement procedure of component
parts, refer to RS-13.
13. After repairing the system, go to DIAGNOSTIC PROCE-
DURE 3, page RS-42 for final checking.
CONSULT-II Diagnostic Code Chart
(ªSELF-DIAGNOSISº)
Diagnostic item ExplanationRepair order
Recheck SRS at each
replacement.
NO DTC IS DETECTED. When malfunction is indi-
cated by the ªAIR BAGº
warning lamp in User mode
lLow battery voltage (Less
than 9V).lGo to DIAGNOSTIC PRO-
CEDURE 3 (RS-42) after
charging battery.
lSelf-diagnostic result
ªSELF-DIAG [PAST]º (pre-
viously stored in the
memory) might not be
erased after repair.
lIntermittent malfunction has
been detected in the past.Go to DIAGNOSTIC PROCE-
DURE 4 (RS-43).
No malfunction is detected.
lGo to DIAGNOSTIC PRO-
CEDURE 3 (RS-42).
AIRBAG MODULE
[OPEN]
lDriver's air bag module circuit is open. (including the spiral
cable)1. Visually check the wiring
harness connection.
2. Replace the harness if it
has visible damage.
3. Replace driver's air bag
module.
(Before disposing of it, it
must be deployed.)
4. Replace the spiral cable.
5. Replace the diagnosis
sensor unit.
6. Replace the related har-
ness.
C2SDC02
TROUBLE DIAGNOSES Ð Supplemental Restraint System (SRS)
Trouble Diagnoses with CONSULT-II
(Cont'd)
RS-39

DIAGNOSTIC PROCEDURE 3
Final checking after repairing SRS by using CONSULT-II Ð
Diagnosis mode
1. After repairing SRS, connect both battery cables.
2. Connect CONSULT-II to Data link connector.
3. Turn ignition switch from ªOFFº to ªONº.
4. Touch ªSTARTº.
5. Touch ªAIRBAGº.
6. Touch ªSELF-DIAG [CURRENT]º.
7. If no malfunction is detected on ªSELF-DIAG [CURRENT]º,
repair of SRS is completed. Go to step 8.
If any malfunction is displayed on ªSELF-DIAG [CURRENT]º,
the malfunctioning part is not repaired completely or another
malfunctioning part is detected. Go to DIAGNOSTIC PRO-
CEDURE 2, page RS-38, and repair malfunctioning part
completely.
NRS071 Data link connector
SRS695
C2SSE01
C2SDM02
C2SDC02
TROUBLE DIAGNOSES Ð Supplemental Restraint System (SRS)
Trouble Diagnoses with CONSULT-II
(Cont'd)
RS-42

Trouble Diagnoses for Air Bag Warning Lamp
DIAGNOSTIC PROCEDURE 9
SYMPTOM: ªAIR BAGº warning lamp does not turn off.
Is air bag module deployed?
No
EYe s
Replace or repair SRS com-
ponents. Refer to COLLI-
SION DIAGNOSIS, (RS-57).
Is SRS ªAir Bagº fuse OK?
Ye s
ENo
Replace fuse and turn igni-
tion switch ON. If SRS ªAir
Bagº fuse is blown again,
repair related harness.
Connect CONSULT-II and touch
ªSTARTº.
lIs ªAIRBAGº displayed on
CONSULT-II?
Ye s
ENo
Visually check the wiring
harness connection of diag-
nosis sensor unit. If the har-
ness connection check is
OK, replace diagnosis sen-
sor unit.
Is harness connection between warning
lamp and diagnosis sensor unit OK?
Ye s
ENo
Connect warning lamp and
diagnosis sensor unit prop-
erly. If warning lamp still
does not go off, replace har-
ness.
Replace diagnosis sensor unit.
DIAGNOSTIC PROCEDURE 10
SYMPTOM: ªAIR BAGº warning lamp does not turn on.
Is warning lamp fuse OK?
Ye s
ENo
Replace fuse and turn igni-
tion swtich ON. If meter fuse
is blown again, repair
related harness.
Is warning lamp LED OK?
Ye s
ENo
Replace warning lamp LED.
1. Disconnect diagnosis sensor unit connec-
tor.
2. Turn the ignition key to ON position.
lDoes warning lamp turn on?
Ye s
ENo
Connect warning lamp and
diagnosis sensor unit prop-
erly. If warning lamp still
does not come on, replace
harness.
Replace diagnosis sensor unit.
YRS036
FUSE
Up
side
AIR BAG
C2SSE01
YRS038
FUSE
Up
side
METER
H
H
H
H
H
H
H
TROUBLE DIAGNOSES Ð Supplemental Restraint System (SRS)
RS-56