INSTALLATION INFINITI QX4 2001 Factory Service Manual

MEL304D
ReplacementNBEL0010For removal and installation of spiral cable, refer to RS-18,
ªInstallation Ð Air Bag Module and Spiral Cableº.
IEach switch can be replaced without removing combination
switch base.
MEL326G
ITo remove combination switch base, remove base attaching
screw.
SEL151V
IBefore installing the steering wheel, align the steering wheel
guide pins with the screws which secure the combination
switch as shown in the left figure.
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
COMBINATION SWITCH
Replacement
EL-29

Electrical Components Inspection=NBEL0202METER/GAUGE RESISTANCE CHECKNBEL0202S01Check resistance between installation screws of meter/gauge.
Screws
Resistance
W
Tacho/Speedometer Fuel/Temp. gauge
A - C A - C Approx. 190 - Approx. 260
B - D B - C Approx. 230 - Approx. 310
SEL352X
YEL066K
FUEL LEVEL SENSOR UNIT CHECKNBEL0202S02IFor removal, refer to FE-4, ªFUEL SYSTEMº.
Check the resistance between terminals 3 and 2.
Ohmmeter
Float position mm (in)Resistance
valueW
(+) (þ)
32*1 Full 95 (3.74) Approx.4-6
*2 1/2 184 (7.24) 31 - 34
*3 Empty 265 (10.43) 80 - 83
*1 and *3: When float rod is in contact with stopper.
MEL424F
THERMAL TRANSMITTER CHECKNBEL0202S03Check the resistance between the terminals of thermal transmitter
and body ground.
Water temperature Resistance
60ÉC (140ÉF) Approx. 170 - 210W
100ÉC (212ÉF) Approx. 47 - 53W
METERS AND GAUGES
Electrical Components Inspection
EL-108

SEL543TA
Removal and InstallationNBEL0060WIPER ARMSNBEL0060S011. Prior to wiper arm installation, turn on wiper switch to operate
wiper motor and then turn it ªOFFº (Auto Stop).
2. Lift the blade up and then set it down onto glass surface to set
the blade center to clearance ªL
1º&ªL2º immediately before
tightening nut.
3. Eject washer fluid. Turn on wiper switch to operate wiper motor
and then turn it ªOFFº.
4. Ensure that wiper blades stop within clearance ªL
1º&ªL2º.
Clearance ªL
1º: 29 - 30 mm (1.14 - 1.18 in)
Clearance ªL
2º: 32 - 42 mm (1.26 - 1.65 in)
ITighten wiper arm nuts to specified torque.
Front wiper: 21 - 26 N´m (2.1 - 2.7 kg-m, 15 - 20 ft-lb)
SEL024J
IBefore reinstalling wiper arm, clean up the pivot area as
illustrated. This will reduce possibility of wiper arm loose-
ness.
WIPER LINKAGENBEL0060S02
MEL840F
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
FRONT WIPER AND WASHER
Removal and Installation
EL-139

RemovalNBEL0060S02011. Remove 4 bolts that secure wiper motor.
2. Detach wiper motor from wiper linkage at ball joint.
3. Remove wiper linkage.
Be careful not to break ball joint rubber boot.
InstallationNBEL0060S0202IGrease ball joint portion before installation.
1. Installation is the reverse order of removal.
MEL137M
Washer Nozzle AdjustmentNBEL0061IAdjust washer nozzle with suitable tool as shown in the figure
at left.
Adjustable range:±10É
MEL417N
Unit: mm (in)
*1 315 (12.40) *7 443 (17.44)
*2 227 (8.94) *8 250 (9.84)
*3 122 (4.80) *9 80 (3.15)
*4 220 (8.66) *10 430 (16.93)
*5 315 (12.40) *11 250 (9.84)
*6 145 (5.71) *12 57 (2.24)
*A: The diameters of these circles are less than 80 mm (3.15 in).
*B: The diameter of this circle is less than 120´80 mm (4.72´3.15 in).
*C: The diameter of this circle is less than 100´80 mm (3.94´3.15 in).
MEL074H
Washer Tube LayoutNBEL0062
FRONT WIPER AND WASHER
Removal and Installation (Cont'd)
EL-140

Trouble DiagnosesNBEL0066REAR WIPER AMP. INSPECTION TABLENBEL0066S01(Data are reference values.)
Terminal No. Item Condition Voltage
(Approximate value)
1 Washer switch
Rear wiper switch WASH Less than 1V
OFF, ON or INT Battery voltage
2 Low switch
Rear wiper switch ON Less than 1V
OFF or INT Battery voltage
3 Glass hatch switch
Glass hatch Open Less than 1V
Closed Battery voltage
4 Intermittent switch
Rear wiper switch INT Less than 1V
OFF, ON or WASH Battery voltage
6 Power supply (ACC)
Ð Battery voltage
7 Washer motor
Rear washer switch WASH Battery voltage
OFF, ON or INT Less than 1V
8 Rear wiper motor
Wiper is moving (except final drive) Less than 1V
Wiper stop Less than 1V
During wiper final drive Battery voltage
9 Ground Ð Ð
10 Auto stop switch
Rear wiper switch
should be at ªINTº to
inspect the value for
wiper movement.Wiper is moving Less than 1V
Wiper stop Battery voltage
11 Rear wiper motor
Wiper is moving (except final drive) Battery voltage
Wiper stop Battery voltage
During wiper final drive Less than 1V
NOTE:
Power to the rear wiper amp. will be interrupted when the rear glass hatch is opened. In that case, conduct
the inspection of the rear wiper amp. with the rear glass hatch closed, unless otherwise indicated.
MEL066G
Removal and InstallationNBEL0067WIPER ARMSNBEL0067S011. Prior to wiper arm installation, turn on wiper switch to operate
wiper motor and then turn it ªOFFº (Auto Stop).
2. Install wiper arm to portion A as in figure below and tighten
wiper arm nut to specification.
3. Then, set wiper arm to portion B.
: 13 - 18 N´m (1.3 - 1.8 kg-m,9-13ft-lb)
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
REAR WIPER AND WASHER
Trouble Diagnoses
EL-145

SEL024J
IBefore reinstalling wiper arm, clean up the pivot area as
illustrated. This will reduce possibility of wiper arm loose-
ness.
SEL241P
MEL034G
Washer Nozzle AdjustmentNBEL0068IAdjust washer nozzle with suitable tool as shown in the figure
at left.
Adjustable range:±10É (In any direction)
MEL067G
Washer Tube LayoutNBEL0069
SEL411H
Check ValveNBEL0070IA check valve is provided in the washer fluid line. Be careful
not to connect check valve to washer tube in the wrong direc-
tion.
REAR WIPER AND WASHER
Removal and Installation (Cont'd)
EL-146

MEL037G
2. Withdraw antenna rod while raising it by operating antenna
motor.
MEL038G
INSTALLATIONNBEL0088S021. Lower antenna rod by operating antenna motor.
2. Insert gear section of antenna rope into place with it facing
toward antenna motor.
3. As soon as antenna rope is wound on antenna motor, stop
antenna motor. Insert antenna rod lower end into antenna
motor pipe.
4. Retract antenna rod completely by operating antenna motor.
5. Install antenna nut and base.
AUDIO ANTENNA
Antenna Rod Replacement (Cont'd)
EL-172

ASCD ACTUATOR/PUMP CHECK=NBEL0218S08
1 CHECK VACUUM HOSE
Check vacuum hose (between ASCD actuator and ASCD pump) for breakage, cracks or fracture.
MEL402G
OK or NG
OK©GO TO 2.
NG©Repair or replace hose.
2 CHECK ASCD WIRE
Check wire for improper installation, rust formation or breaks.
OK or NG
OK©GO TO 3.
NG©Repair or replace wire. Refer to ªASCD Wire Adjustmentº (EL-240).
3 CHECK ASCD ACTUATOR
1. Disconnect vacuum hose from ASCD actuator.
2. Connect the hose of hand vacuum pump to ASCD actuator.
SEL264W
OK or NG
OK©GO TO 4.
NG©Replace ASCD actuator.
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
AUTOMATIC SPEED CONTROL DEVICE (ASCD)
Trouble Diagnoses (Cont'd)
EL-237

Hood Switch Check=NBEL0123S0402
1 CHECK HOOD SWITCH FITTING CONDITION
OK or NG
OK©GO TO 2.
NG©Adjust installation of hood switch or hood.
2 CHECK HOOD SWITCH INPUT SIGNAL
Check voltage between smart entrance control unit terminal 27 and ground.
SEL337X
Refer to wiring diagram in EL-300.
OK or NG
OK©Hood switch is OK, and go to glass hatch switch check.
NG©GO TO 3.
3 CHECK HOOD SWITCH
1. Disconnect hood switch connector.
2. Check continuity between hood switch terminals 1 and 2.
SEL338X
OK or NG
OK©Check the following.
IHood switch ground circuit
IHarness for open or short between smart entrance control unit and hood switch
NG©Replace hood switch.
THEFT WARNING SYSTEM
Trouble Diagnoses (Cont'd)
EL-310

DIAGNOSTIC PROCEDURE 4=NBEL0224S08Self-diagnostic results:
ªCHAIN OF IMMU-KEYº displayed on CONSULT-II screen
1 CONFIRM SELF-DIAGNOSTIC RESULTS
Confirm SELF-DIAGNOSTIC RESULTS ªCHAIN OF IMMU-KEYº displayed on CONSULT-II screen.
SEL368X
Is CONSULT-II screen displayed as above?
Ye s©GO TO 2.
No©GO TO SYMPTOM MATRIX CHART 1.
2 CHECK IVIS (NATS) IGNITION KEY ID CHIP
Start engine with another registered IVIS (NATS) ignition key.
Does the engine start?
Ye s©Ignition key ID chip is malfunctioning.
Replace the ignition key.
Ref. part No. E
Perform initialization with CONSULT-II.
For initialization, refer to ªCONSULT-II Operation Manual IVIS/NVISº.
No©GO TO 3.
3 CHECK IMMU INSTALLATION
Check IMMU installation.
Refer to ªHow to Replace IMMUº in EL-347.
OK or NG
OK©IMMU is malfunctioning.
Replace IMMU.Ref. part No. A
Perform initialization with CONSULT-II.
For initialization, refer to ªCONSULT-II Operation Manual IVIS/NVISº.
NG©Reinstall IMMU correctly.
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM Ð NATS)
Trouble Diagnoses (Cont'd)
EL-342