2001 INFINITI QX4 Factory Service Manual

wheel remove seats wheel alignment immobilizer fuel pump MPG

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INFINITI QX4 2001 Factory Service Manual Indicated items Display Conditions
4WD-mode2WD
4WD shift switchIn ª2WDº position
AUTO In ªAUTOº position
LOCK In ª4Hº position
4L In ª4LOº position
Front wheel speed 0 - 255 km/h (0 - 158 MPH)

Indicated items Display Conditions
4WD-mode2WD
4WD shift switchIn ª2WDº position
AUTO In ªAUTOº position
LOCK In ª4Hº position
4L In ª4LOº position
Front wheel speed 0 - 255 km/h (0 - 158 MPH) 0 km/h (vehicle at standstill)
Rear wheel speed 0 - 255 km/h (0 - 158 MPH) 0 km/h (vehicle at standstill)
Shift ACTR operating 1,
Shift activating monitor 1OFF During normal operation
ON During shifts from ª4Hº to ª4LOº position
Shift ACTR operating 2,
Shift activating monitor 2OFF During normal operation
ON During shifts from ª4LOº to ª4Hº position
4WD fail lamp OFF During normal operation
ONDuring 2-second period (after key switch turned to ªONº) or
when system is out of order
Shift ACTR position sensing
switch 1OFF 4WD shift switch is in a position other than ª4LOº.
ON 4WD shift switch in ª4LOº position
Shift ACTR position sensing
switch 2OFF 4WD shift switch in ª4LOº position
ON 4WD shift switch is in a position other than ª4LOº.
2WD indicator lamp OFF Engine at rest or system out of order
ON Except the above condition
AUTO indicator lamp
OFFEngine at rest during 2WD-mode operation or system out of
order
ON4WD shift switch in ª4LOº or ª4Hº position and A/T selector
lever in ªAUTOº position
LOCK indicator lamp
OFFEngine at rest and A/T selector lever in ªAUTOº position during
2WD-mode operation or system out of order
ON 4WD shift switch in ª4Hº or ª4LOº position
4L indicator lamp
OFFEngine at rest and A/T selector lever in ªAUTOº position during
2WD-mode operation or system out of order
ON 4WD shift switch in ª4LOº position
WORK SUPPORTNBTF0012S06PurposeNBTF0012S0601When there is no problem with transfer and 4WD system, follow-
ing symptoms in ªAUTOº mode may be claimed by a customer.
ITight corner braking symptom after accelerator (throttle) open-
ing (Note 1)
IVibration when accelerating on a low road (snow-covered or
icy road) (Note 2)
It is possible to deal with these symptoms by changing
ªCLUTCH FORCE RELEASE LIMIT VALUEº. However, be
careful when changing the values because it may adversely
affect driving performance.
NOTE:
1) When the accelerator is slightly open (approx. 1/8) or fully
closed after being opened. The tight corner braking symptom
during idle creep driving with accelerator fully closed cannot be
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
Trouble Diagnosis with CONSULT-II (Cont'd)
TF-38

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INFINITI QX4 2001 Factory Service Manual solved by this method. Refer to SYMPTOM 8, TF-108.
2) A slight shock is felt at a few hertz as if it were being pushed
lightly from behind.
SMT962D
CONSULT-II Setting ProcedureNBTF0012S06021. Turn ign

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INFINITI QX4 2001 Factory Service Manual SMT968D
1. Current CLUTCH FORCE RELEASE LIMIT value ª0.3 kg-mº
appears under ªCONDITION SETTINGº on CONSULT-II dis-
play.
2. Touch ª1.2º on the display.
SMT969D
3. Display changes to ªNOW ADJUS

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INFINITI QX4 2001 Factory Service Manual IntroductionNBTF0013DESCRIPTIONNBTF0013S01When a malfunction (indicated by the 4WD warning lamp illumination) occurs, collect information first from the
customer about how the malfunction occurs. Then

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INFINITI QX4 2001 Factory Service Manual 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.
l

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INFINITI QX4 2001 Factory Service Manual 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 gene

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INFINITI QX4 2001 Factory Service Manual 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

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INFINITI QX4 2001 Factory Service Manual 1. CHECK BEFORE ENGINE IS STARTED=NBTF0017S02
1 CHECK 4WD SHIFT INDICATOR LAMP
1. Park vehicle on flat surface.
2. Turn ignition switch to ªOFFº position.
3. Move A/T selector lever to ªPº positio

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