rear hatch glass INFINITI QX4 2001 Factory Service Manual
[x] Cancel search | Manufacturer: INFINITI, Model Year: 2001, Model line: QX4, Model: INFINITI QX4 2001Pages: 2395, PDF Size: 43.2 MB
Page 503 of 2395

Removal and InstallationNBBT0010Front Door Trim
1. Remove inside handle escutcheon.
2. Remove power window switch, then disconnect the connectors.
3. Remove door armrest.
4. Remove bolts securing door finisher.
5. Pull on door finisher to remove clips from door panel and remove door finisher, then disconnect glass hatch
and fuel lid opener switch connector.
Rear Door Trim
6. Remove inside handle escutcheon.
7. Remove power window switch, then disconnect the connector.
8. Remove door armrest cap.
9. Remove bolts securing door finisher.
10. Pull on door finisher to remove clips from door panel and remove door finisher.
SBT696
DOOR TRIM
Removal and Installation
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Electrical Components Inspection ...........................108
COMPASS AND THERMOMETER............................. 110
System Description .................................................. 110
Wiring Diagram - COMPAS -................................... 111
Trouble Diagnoses................................................... 112
Calibration Procedure for Compass ........................ 113
WARNING LAMPS...................................................... 114
Schematic ................................................................ 114
Wiring Diagram - WARN - ....................................... 115
Fuel Warning Lamp Sensor Check .........................122
Electrical Components Inspection ...........................122
A/T INDICATOR...........................................................123
Wiring Diagram - AT/IND -.......................................123
WARNING CHIME.......................................................125
Component Parts and Harness Connector
Location ...................................................................125
System Description ..................................................125
Wiring Diagram - CHIME - ......................................127
Trouble Diagnoses...................................................129
FRONT WIPER AND WASHER..................................136
System Description ..................................................136
Wiring Diagram - WIPER - ......................................138
Removal and Installation .........................................139
Washer Nozzle Adjustment .....................................140
Washer Tube Layout ...............................................140
REAR WIPER AND WASHER....................................141
System Description ..................................................141
Wiring Diagram - WIP/R -........................................143
Trouble Diagnoses...................................................145
Removal and Installation .........................................145
Washer Nozzle Adjustment .....................................146
Washer Tube Layout ...............................................146
Check Valve .............................................................146
HORN...........................................................................147
Wiring Diagram - HORN - .......................................147
CIGARETTE LIGHTER................................................148
Wiring Diagram - CIGAR -.......................................148
CLOCK.........................................................................150
Wiring Diagram - CLOCK -......................................150
REAR WINDOW DEFOGGER.....................................151
Component Parts and Harness Connector
Location ...................................................................151
System Description ..................................................151
Wiring Diagram - DEF - ...........................................153
Trouble Diagnoses...................................................155
Electrical Components Inspection ...........................157
Filament Check ........................................................157
Filament Repair .......................................................158
AUDIO..........................................................................160
System Description ..................................................160
Schematic ................................................................161
Wiring Diagram - AUDIO - .......................................162Trouble Diagnoses...................................................166
Inspection.................................................................167
Wiring Diagram - REMOTE -...................................168
AUDIO ANTENNA.......................................................169
System Description ..................................................169
Wiring Diagram - P/ANT - .......................................170
Trouble Diagnoses...................................................171
Location of Antenna .................................................171
Antenna Rod Replacement .....................................171
POWER SUNROOF.....................................................173
System Description ..................................................173
Wiring Diagram - SROOF - .....................................174
Trouble Diagnoses...................................................176
DOOR MIRROR...........................................................177
Wiring Diagram - MIRROR - ...................................177
GLASS HATCH OPENER...........................................178
System Description ..................................................178
Wiring Diagram - TLID - ..........................................179
FUEL FILLER LID OPENER.......................................180
Wiring Diagram - F/LID - .........................................180
POWER SEAT.............................................................181
Wiring Diagram - SEAT - .........................................181
HEATED SEAT............................................................183
Wiring Diagram - HSEAT - ......................................183
Seatback Heating Unit .............................................185
AUTOMATIC DRIVE POSITIONER............................186
Component Parts and Harness Connector
Location ...................................................................186
System Description ..................................................187
Schematic ................................................................190
Wiring Diagram - AUT/DP - .....................................191
On Board Diagnosis ................................................196
Trouble Diagnoses...................................................198
AUTOMATIC SPEED CONTROL DEVICE (ASCD)...221
Component Parts and Harness Connector
Location ...................................................................221
System Description ..................................................222
Schematic ................................................................224
Wiring Diagram - ASCD - ........................................225
Fail-safe System ......................................................229
Trouble Diagnoses...................................................230
Electrical Component Inspection .............................239
ASCD Wire Adjustment ...........................................240
POWER WINDOW.......................................................241
System Description ..................................................241
Schematic ................................................................244
Wiring Diagram - WINDOW - ..................................245
Trouble Diagnoses...................................................250
POWER DOOR LOCK.................................................254
Component Parts and Harness Connector
Location ...................................................................254
System Description ..................................................254
CONTENTS(Cont'd)
EL-2
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System DescriptionNBEL0063WIPER OPERATIONNBEL0063S01Power Supply and GroundNBEL0063S0101With ignition switch in the ACC or ON position, power is supplied
Ithrough 10A fuse [No. 29, located in the fuse block (J/B)]
Ito rear wiper amp. terminal 6.
When the glass hatch switch is OPEN, ground is supplied
Ito rear wiper amp. terminal 3
Ithrough glass hatch switch terminal 1 and 2
Ithrough body grounds B11, B22 and D210.
Ground is supplied
Ito rear wiper amp. terminal 9
Ithrough body grounds B11, B22 and D210.
Low Speed Wiper OperationNBEL0063S0103When the rear wiper switch is turned ON, ground is supplied
Ito rear wiper amp. terminal 2
Ithrough combination switch terminals 22 and 24.
Ithrough body grounds E13 and E41
Then, power is supplied
Ithrough rear wiper amp. terminal 11
Ito rear wiper motor terminal 4.
Ground is supplied
Ito rear wiper motor terminal 3
Ithrough rear wiper amp. terminal 8.
With power and ground supplied, the wiper motor operates at low speed.
Auto Stop OperationNBEL0063S0104With rear wiper switch turned OFF, rear wiper motor will continue to operate until wiper arm reaches rear wiper
stopper.
When rear wiper arm is not located at rear wiper stopper with wiper switch OFF, ground is supplied
Ito rear wiper amp. terminal 10
Ithrough wiper motor terminals 7 and 8
Ithrough body grounds B11, B22 and D210.
Then rear wiper motor continues to operate until wiper arm reaches bottom.
When wiper arm reaches bottom, power is supplied
Ithrough 10A fuse [No. 29, located in the fuse block (J/B)]
Ithrough rear wiper motor terminals 6 and 7 and
Ithrough rear wiper amp. terminals 10 and 8
Ito rear wiper motor terminal 3.
Ground is supplied
Ito rear wiper motor 4
Ithrough rear wiper amp. terminal 11.
Then wiper motor turns the other way and wiper arm moves once until wiper arm reaches stopper.
Intermittent OperationNBEL0063S0105The rear wiper motor operates the wiper arms at low speed approximately every 7 seconds. This feature is
controlled by the wiper amp.
When the wiper switch is placed in the INT position, ground is supplied
Ito wiper amp. terminal 4
Ithrough rear combination switch terminal 21 and 24
Ithrough body grounds E13 and E41.
Then, power is supplied
Ithrough rear wiper amp. terminal 11
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REAR WIPER AND WASHER
System Description
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Page 1327 of 2395

Ito rear wiper motor terminal 4.
Ground is supplied
Ito rear wiper motor terminal 3
Ithrough rear wiper amp. terminal 8.
With power and ground supplied, rear wiper operates at low speed intermittent.
WIPER OPERATION PROHIBIT CONTROLNBEL0063S03When glass hatch is open with back door key cylinder while rear wiper is operated, wiper operation is stopped.
(Wiper operation prohibit control)
When glass hatch is closed and rear wiper switch turns from OFF and then rear wiper switch is turned to ON,
wiper operation prohibit control is canceled.
WASHER OPERATIONNBEL0063S02When the rear wiper switch is turned to WASH position, ground is supplied
Ito rear wiper amp. terminal 1
Ithrough terminals 23 and 24
Ithrough body grounds E13 and E41.
Then, power is supplied
Ithrough rear wiper amp. terminal 7
Ito rear washer motor terminal 2.
Ground is supplied
Ito rear washer motor terminal 1
Ithrough body grounds E13 and E41.
With power and ground supplied, the rear washer motor operates.
When the rear wiper switch is turned to WASH position for one second or more, the rear wiper motor oper-
ates at low speed for approximately 3 seconds after the rear wiper switch is released. This feature is controlled
by the rear wiper amp. in the same manner as the low speed operation.
REAR WIPER AND WASHER
System Description (Cont'd)
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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)
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REAR WIPER AND WASHER
Trouble Diagnoses
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System DescriptionNBEL0208OUTLINENBEL0208S01Glass hatch opener system consists of
IGlass hatch opener actuator
IGlass hatch opener switch
IRear wiper motor (Link switch)
OPERATIONNBEL0208S02Power is always supplied
Ito glass hatch opener actuator terminal 2
Ithrough 10A fuse [No. 5, located in the fuse block (J/B)].
When rear wiper motor is not operated (link switch ON) and glass hatch opener switch is turned ON, ground
is supplied
Ito glass hatch actuator terminal 1
Ithrough rear wiper motor terminals 1 and 5
Ithrough glass hatch opener switch terminals 2 and 1
Ithrough body grounds M77 and M111.
Power and ground are supplied glass hatch is opened.
GLASS HATCH OPENER
System Description
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Page 1504 of 2395

DescriptionNBEL0124The following systems are controlled by the smart entrance control unit.
IWarning chime
IRear window defogger and door mirror defogger timer
IPower door lock
IMulti-remote control system
ITheft warning system
IInterior lamp timer
IElectric sunroof and power window timer
IHeadlamp battery saver
IBattery saver
For detailed description and wiring diagrams, refer to the relevant pages for the each system.
The smart entrance control unit receives data from the switches and sensors to control their corresponding
system relays and actuators.
INPUT/OUTPUTNBEL0124S01
System Input Output
Power door lockDoor lock and unlock switch LH and RH
Key switch (Insert)
Door switches
Door key cylinder switchesDoor lock actuator
Multi-remote controlKey switch (Insert)
Ignition switch (ACC)
Door switches
Front door unlock sensor LH
Door lock and unlock switch LH
Remote controller signalHorn relay
Headlamp relay (LH and RH)
Interior lamp
Multi-remote control relay
Door lock actuator
Warning chimeKey switch (Insert)
Ignition switch (ON)
Lighting switch (1st)
Seat belt switch
Front door switch LHWarning chime (located in smart entrance
control unit)
Rear window defogger and
door mirror defogger timerIgnition switch (ON)
Rear window defogger switchRear window defogger relay
Theft warningIgnition switch (ACC, ON)
Door switches
Hood switch
Glass hatch switch
Door key cylinder switches (lock/unlock)
Door unlock sensoresHorn relay
Headlamp relay (LH and RH)
Security indicator
Interior lamp timerDoor switches
Front door unlock sensor LH
Ignition switch (ON)
Key switch (Insert)Interior lamp
Electric sunroof and power
window timerFront door switches
Ignition switch (ON)Power window relay
Headlamp battery saver timerFront door switches
Ignition switch (ON)Headlamp battery saver control unit
Battery saverIgnition switch (ON)
Door switches
Driver's door unlock sensor
Key switch (Insert)Interior lamp
Luggage room lamp
Spot lamp
Vanity mirror illumination lamp
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SMART ENTRANCE CONTROL UNIT
Description
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Smart Entrance Control Unit Inspection TableNBEL0126
Terminal
No.Wire
colorConnections Operated conditionVoltage
(Approximate
values)
2 G/B Rear window defogger relay OFF,ON (Ignition key is in ªONº position) 0V,12V
4 PU/W Theft warning horn/lamp relay When panic alarm is operated using remote controller 12V,0V
5 R/YHeadlamp battery saver control
unitWhen headlamp battery saver timer is operated 12V
7 P Multi-remote control relay When doors are locked using remote controller 12V,0V
8 R/B Interior lampWhen interior lamp is operated using remote controller.
(Lamp switch in ªDOORº position)0V,12V
10 G/R Power source (Fuse) Ð 12V
11 W/R Power source (C/B) Ð 12V
13 W/PU Driver door lock actuator
Door lock & unlock switchFree 0V
14 Y/B Passenger door lock actuator Unlocked 12V
15 L Door lock actuators Door lock & unlock switchFree 0V
Locked 12V
16 B Ground Ð Ð
17 R/W Battery saver (Interior lamp) Battery saver is not operate,Operate 12V,0V
19 LG/B Horn relayWhen doors are locked using remote controller with horn
chirp mode.12V,0V
21 G/W Ignition switch (ACC) ªACCº position 12V
22 B/P Seat belt buckle switch Unfasten,Fasten (Ignition key is in ªONº position) 0V,12V
23 BR Door lock & unlock switches Neutral,Locks 5V,0V
26 Y/R Rear door unlock sensors All doors are locked,One or more doors are unlocked 5V,0V
27 Y/B Hood open signal ON (Open),OFF (Closed) 0V,5V
28 R/L Rear and back door switches OFF (Closed),ON (Open) 5V,0V
29 G/R Driver door switch OFF (Closed),ON (Open) 5V,0V
30 LG Door key cylinder unlock switch OFF (Neutral),ON (Unlocked) 12V,0V
31 BR/Y Theft warning indicator Goes off,Illuminates 12V,0V
32 W/R Ignition key switch (Insert) key inserted,key removed from IGN key cylinder 12V,0V
33 W/B Ignition switch (ON) Ignition key is in ªONº position 12V
35 LG/R Door lock & unlock switches Neutral,Unlocks 5V,0V
36 Y/G Driver door unlock sensor Driver door: Locked,Unlocked 5V,0V
37 Y/L Passenger door unlock sensor Passenger door: Locked,Unlocked 5V,0V
38 L/W Glass hatch switch ON (Open),OFF (Closed) 0V,12V
39 OR Rear window defogger switch OFF,ON 5V,0V
40 Y Passenger door switch OFF (Closed),ON (Open) 5V,0V
41 Y Door key cylinder lock switch OFF (Neutral),ON (Locked) 5V,0V
42 G/B Back door key unlock switch OFF (Neutral),ON (Unlock) 5V,0V
SMART ENTRANCE CONTROL UNIT
Smart Entrance Control Unit Inspection Table
EL-324
Page 1643 of 2395

Code Section Wiring Diagram Name
NAVI EL Navigation System
NONDTC AT Non-detectable Items
O2H1B1 EC Heated Oxygen Sensor 1 Heater
(Front) (Bank 1)
O2H1B2 EC Heated Oxygen Sensor 1 Heater
(Front) (Bank 2)
O2H2B1 EC Heated Oxygen Sensor 2 Heater
(Rear) (Bank 1)
O2H2B2 EC Heated Oxygen Sensor 2 Heater
(Rear) (Bank 2)
O2S1B1 EC Heated Oxygen Sensor 1 (Front)
(Bank 1)
O2S1B2 EC Heated Oxygen Sensor 1 (Front)
(Bank 2)
O2S2B1 EC Heated Oxygen Sensor 2 (Rear)
(Bank 1)
O2S2B2 EC Heated Oxygen Sensor 2 (Rear)
(Bank 2)
OVRCSV AT Overrun Clutch Solenoid Valve
P/ANT EL Power Antenna
PGC/V EC EVAP Canister Purge Volume
Control Solenoid Valve
PHASE EC Camshaft Position Sensor
(PHASE)
PNP/SW EC Park/Neutral Position Switch
PNP/SW AT Park/Neutral Position Switch
POS EC Crankshaft Position Sensor
(CKPS) (POS)
POWER EL Power Supply Routing
PRE/SE EC EVAP Control System Pressure
Sensor
PST/SW EC Power Steering Oil Pressure
Switch
REF EC Crankshaft Position Sensor
(CKPS) (REF)
REMOTE EL Audio (Remote Control Switch)
RP/SEN EC Refrigerant Pressure
S/SIG EC Start Signal
S/VCSW EC Swirl Control Valve Control
Vacuum Check Switch
SEAT EL Power Seat
SHIFT AT A/T Shift Lock System
SROOF EL Sunroof
SRS RS Supplemental Restraint SystemCode Section Wiring Diagram Name
SSV/A AT Shift Solenoid Valve A
SSV/B AT Shift Solenoid Valve B
START SC Starting System
STOP/L EL Stop lamp
SWL/V EC Swirl Control Valve Control Sole-
noid Valve
TAIL/L EL Parking, License and Tail Lamps
TCCSIG AT A/T TCC Signal (Lock up)
TCV AT Torque Converter Clutch Solenoid
Valve
T/F TF Transfer
TFTS EC Tank Fuel Temperature Sensor
THEFT EL Theft Warning System
TLID EL Glass Hatch Opener
TP/SW EC Throttle Position Switch
TPS AT Throttle Position Sensor
TPS EC Throttle Position Sensor
TRNSMT EL Integrated HOMELINKYTrans-
mitter
TRSA/T AT Turbine Revolution Sensor
TURN EL Turn Signal and Hazard Warning
Lamps
VIAS/V EC Variable Induction Air Control Sys-
tem
VSS EC Vehicle Speed Sensor
VSSA/T AT Vehicle Speed Sensor A/T (Revo-
lution Sensor)
VSSMTR AT Vehicle Speed Sensor MTR
WARN EL Warning Lamps
WINDOW EL Power Window
WIP/R EL Rear Wiper and Washer
WIPER EL Front Wiper and Washer
WIRING DIAGRAM CODES (CELL CODES)
EL-458