warning NISSAN PATROL 1998 Y61 / 5.G Restraint System User Guide
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Page 36 of 47
![NISSAN PATROL 1998 Y61 / 5.G Restraint System User Guide 5. Touch ``AIRBAG.
6. Touch ``SELF-DIAG [CURRENT].
7. If no malfunction is detected on ``SELF-DIAG [CURRENT],
repair of SRS is completed.
If any problem code is displayed on ``SELF-DIAG [CURRENT NISSAN PATROL 1998 Y61 / 5.G Restraint System User Guide 5. Touch ``AIRBAG.
6. Touch ``SELF-DIAG [CURRENT].
7. If no malfunction is detected on ``SELF-DIAG [CURRENT],
repair of SRS is completed.
If any problem code is displayed on ``SELF-DIAG [CURRENT](/img/5/627/w960_627-35.png)
5. Touch ``AIRBAG''.
6. Touch ``SELF-DIAG [CURRENT]''.
7. If no malfunction is detected on ``SELF-DIAG [CURRENT]'',
repair of SRS is completed.
If any problem code is displayed on ``SELF-DIAG [CURRENT]'',
the malfunctioning part is not repaired completely or another
malfunctioning part is detected. Go to DIAGNOSTIC PROCE-
DURE 2, page RS-32, and repair malfunctioning part com-
pletely.
8. Touch ``ERASE''.
NOTE:
Touch ``ERASE'' to clear the memory of the malfunction
(``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 completely.
9. Touch ``BACK'' key of CONSULT to ``SELECT DIAG MODE''
screen. Touch ``SELF-DIAG [PAST]''.
SRS074
SRS047
SRS049
SRS365
SRS050
TROUBLE DIAGNOSES Ð Supplemental Restraint System (SRS)
Trouble Diagnoses with CONSULT (Cont'd)
RS-35
Page 37 of 47
![NISSAN PATROL 1998 Y61 / 5.G Restraint System User Guide 10. Check that no self-diagnostic failure is detected on ``SELF-
DIAG [PAST].
NOTE:
Past malfunction for seat belt pre-tensioner system will not be
displayed on ``SELF-DIAG [PAST].
11. Touch ``BAC NISSAN PATROL 1998 Y61 / 5.G Restraint System User Guide 10. Check that no self-diagnostic failure is detected on ``SELF-
DIAG [PAST].
NOTE:
Past malfunction for seat belt pre-tensioner system will not be
displayed on ``SELF-DIAG [PAST].
11. Touch ``BAC](/img/5/627/w960_627-36.png)
10. Check that no self-diagnostic failure is detected on ``SELF-
DIAG [PAST]''.
NOTE:
Past malfunction for seat belt pre-tensioner system will not be
displayed on ``SELF-DIAG [PAST]''.
11. Touch ``BACK'' key of CONSULT until ``SELECT SYSTEM''
appears in order to return to User mode from Diagnosis mode,
turn off CONSULT, then disconnect CONSULT.
12. Turn ignition switch ``OFF''.
13. Go to ``SRS Operation Check'', page RS-30 to check SRS
operation by using ``AIR BAG'' warning lamp with User mode.
DIAGNOSTIC PROCEDURE 4 (Continued from
DIAGNOSTIC PROCEDURE 2) (
with CONSULT)
Inspecting SRS malfunctioning record
Is it the ®rst time for maintenance of
SRS?
Ye s
cNo
Self-diagnostic failure
``SELF-DIAG [PAST]'' (pre-
viously stored in the
memory) might not be
erased after repair.
Go to DIAGNOSTIC PRO-
CEDURE 3, step 8 (RS-
34).
GO TO DIAGNOSTIC PROCEDURE 5
(RS-36).
DIAGNOSTIC PROCEDURE 5
Inspecting SRS intermittent problem by using CONSULT Ð
Diagnosis mode
1. Turn ignition switch ``OFF''.
2. Connect ``CONSULT'' to Data link connector.
3. Turn ignition switch ``ON''.
4. Touch ``START''.
SRS062
SRS468
SRS046
.
TROUBLE DIAGNOSES Ð Supplemental Restraint System (SRS)
Trouble Diagnoses with CONSULT (Cont'd)
RS-36
Page 39 of 47

9. Diagnostic code is displayed on ``TROUBLE DIAG RECORD''.
10. Touch ``PRINT''.
11. Compare diagnostic codes to ``INTERMITTENT PROBLEM
DIAGNOSTIC CODE CHART'', page RS-38.
12. Touch ``BACK'' key of CONSULT until ``SELECT SYSTEM''
appears, then turn off CONSULT.
13. Turn ignition switch ``OFF'', then disconnect CONSULT and
both battery cables.
14. Repair the system as outlined by the ``Repair order'' in ``INTER-
MITTENT PROBLEM DIAGNOSTIC CODE CHART'', that cor-
responds to the problem code. For replacement procedure of
component parts, refer to RS-12.
15. Go to DIAGNOSTIC PROCEDURE 3, page RS-34, for ®nal
checking.
INTERMITTENT PROBLEM DIAGNOSTIC CODE CHART
(``SELF-DIAG [PAST]'' or ``TROUBLE DIAG RECORD'')
Diagnostic item Explanation Repair order
NO SELF DIAGNOSTIC
FAILURE INDICATED.When malfunction is
indicated by the ``AIR
BAG'' warning lamp in
User mode+Low battery voltage
(Less than 9V)+Go to DIAGNOSTIC PROCEDURE 3 (RS-34)
after charging battery.
+No malfunction is detected.+Go to DIAGNOSTIC PROCEDURE 3 (RS-34).
AIRBAG MODULE
[OPEN]+Driver'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. If the harness check result is OK, replace driver's
air bag module (Before disposal of it, it must be
deployed.), diagnosis sensor unit and spiral
cable. AIRBAG MODULE
[VB-SHORT]+Driver's air bag module circuit is shorted to
some power supply circuit. (including the spi-
ral cable)
AIRBAG MODULE
[GND-SHORT]+Driver's air bag module circuit is shorted to
ground. (including the spiral cable)
AIRBAG MODULE
[SHORT]+Driver's air bag module circuits are shorted to
each other.
ASSIST A/B MODULE
[VB-SHORT]+Front passenger air bag module circuit is
shorted to some power supply circuit.1. Visually check the wiring harness connection.
2. Replace the harness if it has visible damage.
3. If the harness check result is OK, replace front
air bag module (Before disposal of it, it must be
deployed.), and diagnosis sensor unit. ASSIST A/B MODULE
[OPEN]+Front passenger air bag module circuit is
open.
ASSIST A/B MODULE
[GND-SHORT]+Front passenger air bag module circuit is
shorted to ground.
ASSIST A/B MODULE
[SHORT]+Front passenger air bag module circuits are
shorted to each other.
CONTROL UNIT+Diagnosis sensor unit is malfunctioning. 1. Visually check the wiring harness connection.
2. Replace the harness if it has visible damage.
3. If the harness check result is OK, replace diag-
nosis sensor unit.
*Intermittent problem areas cannot be easily located. For this reason, perform the procedures outlined under the repair order, then
make the ®nal system check.
SRS056
TROUBLE DIAGNOSES Ð Supplemental Restraint System (SRS)
Trouble Diagnoses with CONSULT (Cont'd)
RS-38
Page 40 of 47

Trouble Diagnoses without CONSULT
DIAGNOSTIC PROCEDURE 6
Inspecting SRS malfunctioning parts by using ``AIR BAG''
warning lamp Ð Diagnosis mode
NOTE:
SRS will not enter Diagnosis mode if no malfunction is
detected in User mode.
1. Open driver's door.
2. Turn ignition switch from ``OFF'' to ``ON''.
3. Press driver's door switch at least 5 times within 7 seconds
after turning ignition switch ``ON''.
SRS is now in Diagnosis mode.
4. ``AIR BAG'' warning lamp operates in Diagnosis mode as fol-
lows:
NOTE:
If SRS does not enter Diagnosis mode even though malfunc-
tion is detected in User mode, go to DIAGNOSTIC PROCE-
DURE 11, page RS-44.
No. ``AIR BAG'' warning lamp operation Ð Diagnosis mode Ð SRS condition
1
MRS100A
jathroughjbare repeated.+Diagnosis
results (pre-
viously
stored in the
memory)
might not be
erased after
repair.
+Intermittent
problem has
been
detected in
the past.
Go to DIAG-
NOSTIC PRO-
CEDURE 8
(RS-42).
2
MRS099A
jathroughjbare repeated.
NOTE:
j
aÐ Interval I
jbÐ Start signal (Start signal
identi®es display modes)
j
cÐ Interval II
jdÐ Indicates
malfunctioning part (0.5
sec. ON and 0.5 sec. OFF
is counted as one ¯ash.)The system
has a problem
and needs to
be repaired.
5. Malfunctioning part is indicated by the number of ¯ashes (part
j
d). Compare the number of ¯ashes to ``AIR BAG WARNING
LAMP FLASH CODE CHART'', page RS-40, and locate mal-
functioning part.
6. Turn ignition switch ``OFF'', and disconnect both battery cables.
7. Repair the system as outlined by the ``Repair order'' in ``AIR
BAG WARNING LAMP FLASH CODE CHART'' that corre-
sponds to the ¯ash code. For replacement procedure of com-
ponent parts, refer to RS-12.
8. After repairing the system, go to DIAGNOSTIC PROCEDURE
7, page RS-40.
SRS465
TROUBLE DIAGNOSES Ð Supplemental Restraint System (SRS)
RS-39
Page 41 of 47

AIR BAG WARNING LAMP FLASH CODE CHART
Warning
lampFlash codejd(# of ¯ashes)ExplanationRepair order
``Recheck SRS at each replacement.''
``AIR BAG'' warning lamp
0+Diagnosis results (previously stored in the
memory) might not be erased after repair.
+Intermittent problem has been detected in the
past.Go to DIAGNOSTIC PROCEDURE 8 (RS-42).
2 The driver's air bag module circuit is malfunction-
ing.1. Visually check the wiring harness connections.
2. Replace the harness if it has visible damage.
3. Replace the spiral cable.
4. Replace the driver's air bag module. (Before
disposing of it, it must be deployed.)
5. Replace the diagnosis sensor unit.
6. Replace the harness.
7 The diagnosis sensor unit is malfunctioning. 1. Visually check the wiring harness connections.
2. Replace the harness if it has visible damage.
3. Replace the diagnosis sensor unit.
4. Replace the harness.
8 The front passenger air bag module circuit is
malfunctioning.1. Visually check the wiring harness connections.
2. Replace the harness if it has visible damage.
3. Replace the front passenger air bag module.
(Before disposing of it, it must be deployed.)
4. Replace the diagnosis sensor unit.
5. Replace the harness.
* Follow the procedures in numerical order when repairing malfunctioning parts. Con®rm whether malfunction is eliminated
using the air bag warning lamp or CONSULT each time repair is ®nished. If malfunction is still observed, proceed to the next
step. When malfunction is eliminated, further repair work is not required.
DIAGNOSTIC PROCEDURE 7
Final checking after repairing SRS by using ``AIR BAG'' warn-
ing lamp Ð Diagnosis mode and User mode
1. After repairing SRS connect both battery cables.
2. Open driver's door.
3. Turn ignition switch from ``OFF'' to ``ON''.
4. ``AIR BAG'' warning lamp operates in Diagnosis mode as fol-
lows:
SRS465
TROUBLE DIAGNOSES Ð Supplemental Restraint System (SRS)
Trouble Diagnoses without CONSULT (Cont'd)
RS-40
Page 42 of 47

No. ``AIR BAG'' warning lamp operation Ð Diagnosis mode Ð SRS condition
1
MRS100A
jathroughjbare repeated. No malfunc-
tion is
detected or
repair is com-
pleted.
No further
action is nec-
essary.
2
MRS099A
jathroughjdare repeated.
NOTE:
j
aÐ Interval I
jbÐ Start signal (Start signal
identi®es display modes)
j
cÐ Interval II
jdÐ Indicates malfunctioning
part (0.5 sec. ON and 0.5
sec. OFF is counted as one
¯ash.)The system
has a problem
and needs to
be repaired.
NOTE:
When diagnosis sensor unit is replaced with new one, ``AIR
BAG'' warning lamp will operate in User mode. Checking ``AIR
BAG'' warning lamp operation in Diagnosis mode is not
required. Go to step 6.
5. If ``AIR BAG'' warning lamp operates as shown in No. 1 in chart
above, turn ignition switch ``OFF'' to reset from Diagnosis mode
to User mode and to erase the memory of the malfunction.
Then go to step 6.
If ``AIR BAG'' warning lamp operates as shown in No. 2 in chart
above, the malfunctioning part is not repaired completely, or
another malfunctioning part is detected. Go to DIAGNOSTIC
PROCEDURE 6, page RS-39, and repair malfunctioning part
completely.
6. Turn ignition switch ``ON''. ``AIR BAG'' warning lamp operates
in User mode. Compare ``AIR BAG'' warning lamp operation to
the chart below.
NOTE:
If switching Diagnosis mode to User mode is required while
malfunction is being detected, turn ignition switch from ``OFF''
to ``ON''. Then press driver's door switch at least 5 times
within 7 seconds after turning ignition switch ``ON''. SRS is
now in User mode.
``AIR BAG'' warning lamp operation Ð User mode Ð SRS condition Reference item
MRS095A
No malfunction is
detected.
No further action is neces-
sary.
Ð
TROUBLE DIAGNOSES Ð Supplemental Restraint System (SRS)
Trouble Diagnoses without CONSULT (Cont'd)
RS-41
Page 43 of 47

``AIR BAG'' warning lamp operation Ð User mode Ð SRS condition Reference item
MRS096A
The system has a problem
and needs to be repaired
as indicated.Go to DIAGNOSTIC PRO-
CEDURE 2 or 6 (RS-32 or
RS-39).
MRS097A
Air bag is deployed. Go to COLLISION DIAG-
NOSIS (RS-45).
Air bag fuse, diagnosis
sensor unit or harness is
malfunctioning and needs
to be repaired.Go to DIAGNOSTIC PRO-
CEDURE 9 (RS-43).
MRS098A
One of the following has
occurred and needs to be
repaired.
+Meter fuse is blown.
+``AIR BAG'' warning
lamp circuit has open or
short.
+Diagnosis sensor unit is
malfunctioning.Go to DIAGNOSTIC PRO-
CEDURE 10 (RS-43).
DIAGNOSTIC PROCEDURE 8 (Continued from
DIAGNOSTIC PROCEDURE 6) (
without CONSULT)
Inspecting SRS malfunctioning record
Is it the ®rst time for maintenance of
SRS?
Ye s
cNo
Diagnosis results (previ-
ously stored in the
memory) might not be
erased after repair.
Go to DIAGNOSTIC PRO-
CEDURE 7, step 5 (RS-
40).
GO TO DIAGNOSTIC PROCEDURE 5
(RS-36).Further inspection cannot be per-
formed without CONSULT.
.
TROUBLE DIAGNOSES Ð Supplemental Restraint System (SRS)
Trouble Diagnoses without CONSULT (Cont'd)
RS-42
Page 44 of 47

Trouble Diagnoses: ``AIR BAG'' Warning Lamp
Does Not Turn Off
DIAGNOSTIC PROCEDURE 9
Is air bag deployed?
NocYe s
Refer to COLLISION DIAG-
NOSIS (RS-45).
Is SRS ``Air Bag'' fuse OK?
Ye scNo
Replace fuse.
Connect CONSULT and touch
``START''.
+Is ``AIRBAG'' displayed on
CONSULT?
Ye s
cNo
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
cNo
Connect warning lamp and
diagnosis sensor unit con-
nector properly. If warning
lamp still does not go off,
replace harness.
Replace diagnosis sensor unit.
Trouble Diagnoses: ``AIR BAG'' Warning Lamp
Does Not Turn On
DIAGNOSTIC PROCEDURE 10
Is meter fuse OK?
Ye scNo
Replace fuse.
Is warning lamp LED OK?
Ye scNo
Replace warning lamp LED.
1. Disconnect diagnosis sensor unit con-
nector.
2. Turn the ignition key to ON position.
+Does warning lamp turn on?
Ye s
cNo
Check the ground circuit of
``AIR BAG'' warning lamp.
Replace diagnosis sensor unit.
SRS307
SRS180
SRS469
.
.
.
.
.
.
.
TROUBLE DIAGNOSES Ð Supplemental Restraint System (SRS)
RS-43
Page 46 of 47

To repair the SRS for a frontal collision, perform the following steps.
When SRS (except the side air bag) is activated in a collision:
V1Replace the diagnosis sensor unit.
V2Remove the air bag modules.
V3Check the SRS components using the table shown below:
+Replace any SRS components showing visible signs of damage (dents, cracks, deformation).
V4Install new air bag modules.
V5Conduct self-diagnosis using CONSULT and ``AIR BAG'' warning lamp. Refer to ``SRS Operation Check''
for details (RS-30). Ensure entire SRS operates properly.
When SRS is not activated in a collision:
V1Check the SRS components using the table shown below:
+Replace any SRS components showing visible signs of damage (dents, cracks, deformation).
V2Conduct self-diagnosis using CONSULT and ``AIR BAG'' warning lamp. Refer to ``SRS Operation Check''
for details (RS-30). Ensure entire SRS operates properly.
SRS inspection
Part SRS (except the
side air bag) is acti-
vatedSRS is NOT activated
Air bag module
(driver and passen-
ger side)REPLACE
Install air bag mod-
ule with new bolts
coated with bonding
agent.1. Remove air bag module. Check harness cover and connectors for damage, ter-
minals for deformities, and harness for binding.
2-1. Install driver air bag module into the steering wheel to check ®t and alignment
with the wheel.
2-2. Install passenger air bag module into the instrument panel to check ®t with the
instrument panel.
3. No damage found, reinstall with new bolts coated with bonding agent.
4. If damagedÐREPLACE. Air bag must be deployed before discarding.
Diagnosis sensor
unitREPLACE
Install diagnosis sen-
sor unit with new
bolts coated with
bonding agent.1. Check case and bracket for dents, cracks or deformities.
2. Check connectors for damage, and terminals for deformities.
3. If no damage is found, reinstall with new bolts coated with bonding agent.
4. If damagedÐREPLACE. Install diagnosis sensor unit with new bolts coated with
bonding agent.
Seat belt pre-ten-
sioner assemblyREPLACE
Install seat belt pre-
tensioner with new
bolts coated with
bonding agent.1. Remove seat belt pre-tensioners.
Check harness cover and connectors for damage, terminals for deformities, and
harness for binding.
2. Check belts for damage and anchors for loose mounting.
3. Check retractor for smooth operation.
4. If no damage is found, reinstall with new bolts coated with bonding agent.
5. If damagedÐREPLACE. Install the seat belt pre-tensioners with new bolts coated
with bonding agent. Seat belt pre-tensioners must be deployed before discarding.
Steering wheel 1. Visually check steering wheel for deformities.
2. Check harness (built into steering wheel) and connectors for damage, and terminals for deformities.
3. Install air bag module to check ®t or alignment with steering wheel.
4. Check steering wheel for excessive free play.
5. If no damage is found, reinstall the steering wheel.
6. If damagedÐREPLACE.
Spiral cable 1. Visually check spiral cable and combination switch for damage.
2. Check connectors, ¯at cable and protective tape for damage.
3. Check steering wheel for noise, binding or heavy operation.
4. If no damage is found, reinstall the spiral cable.
5. If damagedÐREPLACE.
Harness and Con-
nectors1. Check connectors for poor connection, damage, and terminals for deformities.
2. Check harness for binding, cha®ng, cuts, or deformities.
3. If no damage is found, reinstall harness and connectors.
4. DamagedÐREPLACE damaged section of harness. Do not attempt to repair, splice or modify any SRS
harness.
Instrument panel Refer to the table on the next page.
COLLISION DIAGNOSIS
RS-45