2001 INFINITI QX4 air condition

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 6 (RS-48).
MRS097A
Air bag is deployed.
Seat belt pre-tensioner is
deployed.Go to COLLISION DIAG-
NOSIS (RS-59).
Air bag fuse, diagnosis
sensor unit or harness is
malfunctioning and needs
to be repaired.Go to DIAGNOSTIC PRO-
CEDURE 9 RS-56).
MRS098A
One of the following has
occurred and needs to be
repaired.
IMeter fuse is blown.
IªAIR BAGº warning
lamp circuit has open or
short.
IDiagnosis sensor unit is
malfunctioning.Go to DIAGNOSTIC PRO-
CEDURE 10 (RS-58).
DIAGNOSTIC PROCEDURE 8 (CONTINUED FROM
DIAGNOSTIC PROCEDURE 6)
NBRS0046S03Inspecting SRS malfunctioning record
1 CONSIDER POSSIBILITY OF NOT ERASING SELF-DIAGNOSTIC RESULT AFTER REPAIRING
Is it the first time for maintenance of SRS?
YesorNo
Ye s©Go to DIAGNOSTIC PROCEDURE 5 (RS-44). (Further inspection cannot be performed
without CONSULT-II.)
No©Diagnosis results (previously stored in the memory) might not be erased after repair. Go
to DIAGNOSTIC PROCEDURE 7, step 5 (RS-53).
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
BT
HA
SC
EL
IDX
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Trouble Diagnoses without CONSULT-II (Cont'd)
RS-55

SST051C
3. Remove tie-rod outer sockets and boots.
4. Loosen tie-rod inner socket by prying up staked portion, and
remove socket.
5. Remove retainer.
6. Remove pinion assembly.
7. Usea2to2.5mm(0.079 to 0.098 in) diameter drill to com-
pletely remove staked portion of gear housing end.
SST652C
8. Remove gear housing end cover assembly with a suitable tool.
9. Draw out rack assembly.
10. Remove rack seal ring.
IUsing a heat gun, heat rack seal to approximately 40ÉC
(104ÉF).
IRemove rack seal ring.
Be careful not to damage rack.
SST644C
11. Remove rack bushing and rack oil seal using tape wrapped
socket and extension bar.
Do not scratch inner surfaces of pinion housing.
InspectionNBST0029Thoroughly clean all parts in cleaning solvent or Genuine Nissan
PSF II or equivalent. Blow dry with compressed air, if available.
BOOTNBST0029S01ICheck condition of boot. If cracked excessively, replace it.
ICheck boots for accumulation of power steering fluid.
RACKNBST0029S02Thoroughly examine rack gear. If damaged, cracked and worn,
replace it.
PINION ASSEMBLYNBST0029S03IThoroughly examine pinion gear. If pinion gear is damaged,
cracked and worn, replace it.
ICheck that all bearings roll freely. Ensure that balls, rollers and
races are not cracked, pitted and worn.
GEAR HOUSING CYLINDERNBST0029S04Check gear housing cylinder bore for scratches and other damage.
Replace if necessary.
POWER STEERING GEAR AND LINKAGE
Disassembly (Cont'd)
ST-20

Diagnostic WorksheetNBTF0013S0202
1.lListen to customer complaints.TF-44
2.lCheck transfer fluid.TF-44
lLeakage
lFluid condition
lFluid level
3.lRoad testingTF-44
l1. Check before engine is started.
l2. Check at idle.
l3. Cruise test
4.lPerform self-diagnosis NG items (with CONSULT-II and without CONSULT-II). TF-30, TF-27
5.lCheck component. Repair or replace the damaged parts. TF-111
6.lPerform final check. Perform road test (1 through 3). TF-44
TROUBLE DIAGNOSIS Ð INTRODUCTION
Introduction (Cont'd)
TF-42

Work Flow=NBTF0014HOW TO PERFORM TROUBLE DIAGNOSES FOR QUICK AND ACCURATE REPAIRNBTF0014S01A good understanding of the malfunction conditions can make troubleshooting faster and more accurate.
In general, each customer feels differently about a problem. It is important to fully understand the symptoms
or conditions for a customer complaint.
Make good use of the two sheets provided, ªInformation from Customerº (Refer to TF-41.) and ªDiagnostic
Worksheetº (Refer to TF-42.), to perform the best troubleshooting possible.
MTF013A
*1: TF-44
*2: TF-44*3: TF-44
*4: TF-98 - TF-109*5: TF-61 - TF-94
*6: TF-44
GI
MA
EM
LC
EC
FE
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSIS Ð INTRODUCTION
Work Flow
TF-43

Listen to Customer ComplaintsNBTF0015IEach customer feels differently about a problem. It is important
to fully understand the symptoms or conditions for a customer
complaint.
IListen to the customer about how and when the malfunction
occurs, and make good use of it when performing the road test.
Transfer Fluid CheckNBTF0016ICheck fluid for leaks and fluid level. Refer to MA-22, ªCheck-
ing All-mode 4WD Transfer Fluidº.
SMT089D
Road TestNBTF0017PREPARATION FOR ROAD TESTNBTF0017S01IThe purpose of the test is to determine overall performance of
transfer and analyze causes of problems.
IThe road test consists of the following three parts:
IWhen a malfunction is found in any part of transfer, perform the
road test to locate the malfunction area and repair the malfunc-
tion parts.
1. Check before engine is started
2. Check at idle
3. Cruise test
IPerform road test and place checks for NG items on the diag-
nostic worksheet. Refer to TF-42.
TROUBLE DIAGNOSIS Ð BASIC INSPECTION
Listen to Customer Complaints
TF-44