air condition NISSAN PATROL 2000 Electronic Manual Online

HOW TO ERASE SELF-DIAGNOSIS RESULTS
With CONSULT-II
+ªSELF-DIAG [CURRENT]º
A current Self-diagnosis result is displayed on the CONSULT-II screen in real time. After the malfunc-
tion is repaired completely, no malfunction is detected on ªSELF-DIAG [CURRENT]º.
+ªSELF-DIAG [PAST]º
Return to the ªSELF-DIAG [CURRENT]º CONSULT-II screen
by pushing ªBACKº key of CONSULT-II and select ªSELF-
DIAG [CURRENT]º in ªSELECT DIAG MODEº. Touch
ªERASEº in ªSELF-DIAG [CURRENT]º mode.
NOTE:
If the memory of the malfunction in ªSELF-DIAG [PAST]º is
not erased, the User mode shows the system malfunction by
the operation of the warning lamp even if the malfunction is
repaired completely.
+ªTROUBLE DIAG RECORDº
The memory of ªTROUBLE DIAG RECORDº cannot be erased.
Without CONSULT-II
After a malfunction is repaired, return Diagnosis mode to User mode by switching the ignition ªOFFº for at
least 1 second, then back ªONº. At that time, the self-diagnostic result is cleared.
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.
+Battery [Refer to EL section (ªBATTERYº) of Service Manual.]
+Fuse [Refer to EL section (ªFuseº, ªPOWER SUPPLY ROUTINGº) of Service Manual.]
+System component-to-harness connections
SRS701
TROUBLE DIAGNOSES Ð Supplemental Restraint System (SRS)
Trouble Diagnoses Introduction (Cont'd)
RS-1021

Self-diagnosis
DIAGNOSTIC PROCEDURE 1 (without
CONSULT-II)
Checking SRS operation by using ªAIR BAGº warning lamp
Ð User mode
1. After turning ignition switch from ªOFFº to ªONº, ªAIR BAGº
warning lamp operates.
2. Compare ªAIR BAGº warning lamp operation to the chart
below.
ªAIR BAGº warning lamp operation Ð User mode Ð SRS condition Reference item
MRS095A
No malfunction is
detected.
No further action is neces-
sary.
Ð
MRS096A
The system is malfunction-
ing and needs to be
repaired as indicated.Go to DIAGNOSTIC PRO-
CEDURE 2, or 6 (RS-1034
or 1044).
MRS097A
Air bag is deployed. Go to COLLISION DIAG-
NOSIS (RS-1052).
Air bag fuse, diagnosis
sensor unit or harness is
malfunctioning and needs
to be repaired.Go to DIAGNOSTIC PRO-
CEDURE 9 (RS-1050).
MRS098A
One of the following has
occurred and needs to be
repaired.
+Meter fuse is blown.
+ªAIR BAGº warning lamp
circuit has open or
short.
+Diagnosis sensor unit is
malfunctioning.Go to DIAGNOSTIC PRO-
CEDURE 10 (RS-1051).
NOTE:
If ªAIR BAGº warning lamp operates differently from the
operations shown above, refer to ªAIR BAGº warning lamp
operation Ð Diagnosis mode Ð, DIAGNOSTIC PROCEDURE
6 (step 4), RS-1044.
SRS465
TROUBLE DIAGNOSES Ð Supplemental Restraint System (SRS)
RS-1032

Checking seat belt pre-tensioner system operation
Check seat belt pre-tensioner system operation using a bulb as
follows:
1. Connect a bulb of less than 3.4W between data link connec-
tor terminals
V3andV8.
2.After turning ignition switch from ªOFFº to ªONº, the bulb oper-
ates.
3.Compare the bulb operation to the chart below.
Lighting condition of the bulb SRS condition Reference item
MRS095A
No malfunction is detected.
No further action is necessary.
Ð
MRS096A
+Seat belt pre-tensioner cir-
cuit is opened, or
+Seat belt pre-tensioner
power supply or ground cir-
cuit is shorted.+If CONSULT-II is available,
go to DIAGNOSTIC PRO-
CEDURE 2 (RS-1034).
+If CONSULT-II is not
available, repair the system
as follows.*
1. Visually check the wiring
harness connections.
2. Replace the harness if it
has visible damage.
3. Replace driver's and front
passenger seat belt assem-
blies.
(Before disposing, they
must be deactivated.)
4. Replace diagnosis sensor
unit.
MRS097A
Seat belt pre-tensioner (and
air bag) is deployed.Go to COLLISION DIAGNO-
SIS (RS-1052).
* Follow the procedures in numerical order when repairing malfunctioning parts. Confirm whether malfunction is eliminated
using a bulb or CONSULT-II each time repair is finished. If malfunction is still observed, proceed to the next step. When
malfunction is eliminated, further repair work is not required.
SRS848
TROUBLE DIAGNOSES Ð Supplemental Restraint System (SRS)
Self-diagnosis (Cont'd)
RS-1033

DIAGNOSTIC PROCEDURE 6 (without
CONSULT-II)
Inspecting SRS malfunctioning parts by using ªAIR BAGº
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 ªOFFº to ªONº.
3. Press driver's door switch at least 5 times within 7 seconds
after turning ignition switch ªONº.
SRS is now in Diagnosis mode.
4. ªAIR BAGº 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-1051.
No. ªAIR BAGº warning lamp flash pattern Ð Diagnosis mode Ð SRS condition
1
SRS333
VathroughVbare repeated.+Diagnosis
results (previ-
ously stored
in the
memory)
might not be
erased after
repair.
+Intermittent
malfunction
has been
detected in
the past.
Go to DIAG-
NOSTIC PRO-
CEDURE 8 (RS-
1050).
2
SRS341
VathroughVdare repeated.
VbÐ Driver and passenger air bag
marker (For identifying driver
and/or passenger air bag mal-
functioning)
VdÐ Indicates malfunctioning part.
The number of flash varies with
malfunctioning part (0.5 sec.
ON and 0.5 sec. OFF is
counted as one flash.)The system is
malfunctioning
and needs to be
repaired.
3
SRS342-A
VathroughVfare repeated.
Vb,Vc,VdÐ Side air bag marker
(For identifying side
air bag malfunction-
ing)
VfÐ Indicates malfunctioning part.
The number of flash varies with
malfunctioning part (0.5 sec.
ON and 0.5 sec. OFF is
counted as one flash.)
SRS465
TROUBLE DIAGNOSES Ð Supplemental Restraint System (SRS)
Self-diagnosis (Cont'd)
RS-1044

DIAGNOSTIC PROCEDURE 7 (without
CONSULT-II)
Final checking after repairing SRS by using ªAIR BAGº
warning 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 ªOFFº to ªONº.
4. ªAIR BAGº warning lamp operates in Diagnosis mode as fol-
lows:
No. ªAIR BAGº warning lamp flash pattern Ð Diagnosis mode Ð SRS condition
1
SRS333
VathroughVbare repeated. No malfunc-
tion is
detected or
repair is com-
pleted.
No further
action is nec-
essary.
2
SRS341
VathroughVdare repeated.
VbÐ Driver and passenger air
bag marker (For identifying
driver and/or passenger air
bag malfunctioning)
VdÐ Indicates malfunctioning
part. The number of
flashes varies with mal-
functioning part (0.5 sec.
ON and 0.5 sec. OFF is
counted as one flash.)The system is
malfunctioning
and needs to
be repaired.
3
SRS342-A
VathroughVfare repeated.
Vb,jc,VdÐ Side air bag
marker (For
identifying side
air bag malfunc-
tioning)
VfÐ Indicates malfunctioning
part. The number of
flashes varies with mal-
functioning part (0.5 sec.
ON and 0.5 sec. OFF is
counted as one flash.)
NOTE:
When diagnosis sensor unit is replaced with new one, ªAIR
BAGº warning lamp will operate in User mode. Checking
ªAIR BAGº warning lamp operation in Diagnosis mode is
not required. Go to step 6.
5. If ªAIR BAGº warning lamp operates as shown in No. 1 in
chart above, turn ignition switch ªOFFº to reset from Diagno-
sis mode to User mode and to erase the memory of the mal-
function. Then go to step 6.
If ªAIR BAGº warning lamp operates as shown in No. 2 or No.
3 in chart above, the malfunctioning part is not repaired
SRS465
TROUBLE DIAGNOSES Ð Supplemental Restraint System (SRS)
Self-diagnosis (Cont'd)
RS-1048

completely, or another malfunctioning part is detected. Go to
DIAGNOSTIC PROCEDURE 6, page RS-1044, and repair
malfunctioning part completely.
6. Turn ignition switch ªONº. ªAIR BAGº warning lamp operates
in User mode. Compare ªAIR BAGº 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
ªOFFº to ªONº. Then press driver's door switch at least 5
times within 7 seconds after turning ignition switch ªONº.
SRS is now in User mode.
ªAIR BAGº warning lamp operation Ð User mode Ð SRS condition Reference item
MRS095A
No malfunction is
detected.
No further action is neces-
sary.
Ð
MRS096A
The system is malfunction-
ing and needs to be
repaired as indicated.Go to DIAGNOSTIC PRO-
CEDURE 2 or 6 (RS-1034
or 1044).
MRS097A
Air bag is deployed. Go to COLLISION DIAG-
NOSIS (RS-1052).
Air bag fuse diagnosis
sensor unit or harness is
malfunctioning and needs
to be repaired.Go to DIAGNOSTIC PRO-
CEDURE 9 (RS-1050).
MRS098A
One of the following has
occurred and needs to be
repaired.
+Meter fuse is blown.
+ªAIR BAGº warning lamp
circuit has open or
short.
+Diagnosis sensor unit is
malfunctioning.Go to DIAGNOSTIC PRO-
CEDURE 10 (RS-1051).
TROUBLE DIAGNOSES Ð Supplemental Restraint System (SRS)
Self-diagnosis (Cont'd)
RS-1049

DIAGNOSTIC PROCEDURE 10
SYMPTOM: ªAIR BAGº warning lamp does not turn on.
Is warning lamp fuse OK?
YescNo
Replace fuse and turn igni-
tion switch ON. If meter
fuse is blown again, repair
related harness.
Is warning lamp LED OK?
YescNo
Replace warning lamp
LED.
1. Disconnect diagnosis sensor unit con-
nector.
2. Turn the ignition key to ON position.
+Does warning lamp turn on?
Yes
cNo
Connect warning lamp and
diagnosis sensor unit con-
nector properly. If warning
lamp still does not come
on, replace harness.
Replace diagnosis sensor unit.
DIAGNOSTIC PROCEDURE 11
SYMPTOM: SRS does not enter Diagnostic mode.
Disconnect both battery cables and check
battery voltage using circuit tester.
+Is battery voltage more than 9V?
Yes
cNo
Charge battery.
Remove driver's door switch and check
continuity between driver's door switch
connector terminals
V1andV3under the
following conditions.
Yes
cNo
Replace driver's door
switch.
Check harness continuity between driver's
door switch connector terminal
V3and
body ground.
+Does continuity exist?
Yes
cNo
Replace or repair harness.
Replace diagnosis sensor unit.
Go to DIAGNOSTIC PROCEDURE 1 (RS-
1032).
Condition Continuity
Door switch is depressed
(Door is closed).NO
Door switch is released (Door
is open).YES
SRS469
SRS058
SRS470
SRS265-D
.
.
.
.
.
.
.
TROUBLE DIAGNOSES Ð Supplemental Restraint System (SRS)
Trouble Diagnoses for Air Bag Warning
Lamp (Cont'd)
RS-1051