Infiniti QX4 (R50). Manual — part 492

LSV (Load sensing valve) . . . . . . . ..BR-12
Lubricant (R134a) A/C. . . . . . . . ..HA-146
Lubricants . . . . . . . . . . . . . ...MA-11
Lubrication circuit (engine) . . . . . . . ...LC-3
Lubrication-locks, hinges and hood

latches . . . . . . . . . . . . . . MA-27

Luggage room lamp . . . . . . . . . . EL-88

M

MAFS - Wiring diagram. . . . . . . . EC-154
Magnet clutch . . . . . . . . . ...HA-104, 150
MAIN - Wiring diagram. . . . . . . . .EC-142
Main oil pump (Transfer). . . . . . . ...TF-131
Mainshaft (Transfer). . . . . . . . . ..TF-125
Maintenance (engine) . . . . . . . . . MA-13
MAJOR OVERHALL. . . . . . . . . ..AT-281
Major overhaul (Transfer) . . . . . . . .TF-120
Malfunction indicator lamp (MIL) . . . . . EC-74
Mass air flow sensor (MAFS). . . . . ...EC-150
Master cylinder (brake) . . . . . . . . ..BR-16
Meter . . . . . . . . . . . . . . . ...EL-94
METER - Wiring diagram. . . . . . . . EL-99
MIL & Data link connectors circuit . . . ...EC-648
MIL/DL - Wiring diagram . . . . . . . ..EC-648
MIRROR - Wiring diagram. . . . . . . EL-177
Mirror defogger . . . . . . . . . . . .EL-151
Mirror, door. . . . . . . . . . . . . ..BT-56
Mirror, out side . . . . . . . . . . . . BT-56
Misfire . . . . . . . . . . . . . . ...EC-320
Mode door control linkage adjustment . . ...HA-81
Mode door motor . . . . . . . . . . . HA-75
Model variation . . . . . . . . . . . . GI-41
Molding - See Exterior . . . . . . . . . BT-35
MULTI - Wiring diagram. . . . . . . . EL-274
Multi-remote control system. . . . . . ..EL-270
Multiplex communication . . . . . . . ..HA-142
Multiport fuel injection (MFI) system . . . ..EC-28
Multiport fuel injection precautions . . . . . GI-6

N

NATS (Nissan anti-theft system). . . . ...EL-328
NATS (Nissan anti-theft system)

precautions . . . . . . . . . . . . . GI-3

NATS - Wiring diagram . . . . . . . . .EL-330
NAVI - wiring diagram . . . . . . . . ...EL-394
Navigation System . . . . . . . . . . EL-385
Neutral-4LO switch. . . . . . . . . . TF-112
NVH troubleshooting (AX) . . . . . . ..AX-3, 18
NVH troubleshooting (BR). . . . . . . . BR-6
NVH troubleshooting (PD). . . . . . . . PD-3
NVH troubleshooting (ST). . . . . . . . .ST-6
NVH troubleshooting (SU) . . . . . . .SU-3, 15

O

Oil change (capacity) . . . . . . . . . .MA-11
Oil filter (Transfer) . . . . . . . . . . .TF-118
Oil pan (engine) . . . . . . . . . . . .EM-15
Oil pressure (engine) . . . . . . . . . . LC-4
Oil pump (A/T). . . . . . . . . . . ...AT-297
Oil pump (engine) . . . . . . . . . . . .LC-5
Oil pump regulator valve (engine) . . . . . LC-6
Oil seal replacement (engine). . . . . . EM-35
Oil seal replacement (front final drive

4WD). . . . . . . . . . . . . . ...PD-15

Oil seal replacement (front of final

drive) . . . . . . . . . . . . . . ...PD-40

On board diagnostic system . . . . . . ..EC-59
Out side mirror . . . . . . . . . . . . BT-56
Overdrive control switch. . . . . . . . AT-263
Overrun clutch . . . . . . . . . . . ...AT-320
Overrun clutch solenoid valve. . . . . ...AT-189

P

P/ANT - Wiring diagram. . . . . . . . EL-170
Park/Neutral position switch . . . . . . .EC-604
Park/neutral position switch (A/T) . . .AT-103, 263
Parking brake control . . . . . . . . . .BR-30
Parking lamp . . . . . . . . . . . . ...EL-61
PCV (positive crankcase ventilation) . . . .EC-38
PGC/V - Wiring diagram . . . . . ..EC-370, 544
PHASE - Wiring diagram . . . . . . . .EC-342
Pinion bearing preload diff. . . . . . . . PD-25
Pinion gear height diff. . . . . . . . .PD-25, 53
Piston assembly . . . . . . . . . . . .EM-71
Piston pin inspection . . . . . . . . . ..EM-63
Piston ring inspection. . . . . . . . . .EM-64
Piston to bore clearance . . . . . . . . EM-66
Planetary carrier (Transfer). . . . . . ...TF-134
PNP/SW - Wiring diagram . . . . . . ...EC-607
POS - Wiring diagram . . . . . . . . ..EC-517
POWER - Wiring diagram. . . . . . . ...EL-10
Power antenna . . . . . . . . . . . ..EL-169
Power door lock . . . . . . . . . . . EL-254
Power door mirror . . . . . . . . . . .EL-177
Power seat . . . . . . . . . . . . . EL-181
Power steering fluid level . . . . . .MA-27, ST-8
Power steering gear. . . . . . . . . . ST-17
Power steering hydraulic pressure . . . . .ST-10
Power steering oil pressure switch . . . ..EC-634
Power steering oil pump . . . . . . . . .ST-27
Power steering system bleeding. . . . . ...ST-9
Power supply routing . . . . . . . . . . EL-9
Power transistor & ignition coil. . . . . .EC-499
Power window . . . . . . . . . . . ...EL-241
PRE/SE - Wiring diagram . . . . . . . EC-384
Precations for Leak detection dye . . . . ...HA-3
Precautions (General) . . . . . . . . . ...GI-5
Pressure test (A/T) . . . . . . . . . . ..AT-62
Propeller shaft . . . . . . . . . . . . ..PD-3

ALPHABETICAL INDEX

IDX-6

Propeller shaft greasing . . . . . . . . .MA-23
Propeller shaft inspection . . . . . . . ..MA-23
Propeller shaft on vehicle service . . . . . PD-6
Propeller shaft vibration . . . . . . . . ...PD-6
PST/SW - Wiring diagram . . . . . . . EC-635

R

Rack retainer adjustment . . . . . . . . ..ST-8
Radiator . . . . . . . . . . . . . LC-19, 21
Radio - See Audio. . . . . . . . . . .EL-160
Rear air spoiler . . . . . . . . . . . ...BT-35
Rear axle . . . . . . . . . . . . . . AX-17
Rear bumper . . . . . . . . . . . . ...BT-15
Rear case (Transfer). . . . . . . . . .TF-123
Rear combination lamp removal and

installation . . . . . . . . . . . . ...BT-35

Rear cover packing replacement diff. . . . PD-16
Rear door . . . . . . . . . . . . . . BT-20
Rear drum brake . . . . . . . . . . . BR-26
Rear heated oxygen sensor

(HO2S) . . . . . . . .EC-247, 257, 267, 277

Rear heated oxygen sensor (HO2S)

heater. . . . . . . . . . . . . . EC-286

Rear seat . . . . . . . . . . . . . . BT-44
Rear seat belt . . . . . . . . . . . . ...RS-5
Rear side window . . . . . . . . . . ...BT-55
Rear suspension . . . . . . . . . . . SU-15
Rear washer. . . . . . . . . . . . ..EL-141
Rear window defogger . . . . . . . . ..EL-151
Rear wiper. . . . . . . . . . . . . .EL-141
REF - Wiring diagram . . . . . . . . ..EC-510
Refregerant pressure sensor . . . . . . HA-111
Refrigerant connection precaution . . . . ...HA-4
Refrigerant discharging evacuating

charging . . . . . . . . . . . . . HA-144

Refrigerant general precaution. . . . . . .HA-3
Refrigerant lines . . . . . . . . . . ...HA-154
Refrigerant pressure sensor. . . . . . .EC-639
Refrigeration cycle. . . . . . . . . . ..HA-14
REMOTE - Wiring diagram . . . . . . ...EL-168
Removal and installation (A/T). . . . . ..AT-277
Removal and installation (Transfer) . . . ..TF-119
Reverse clutch. . . . . . . . . . . ...AT-314
Revolution sensor (A/T). . . . . . . . .AT-115
Ring gear diff. inspection . . . . . . .PD-23, 47
RO2H-L - Wiring diagram. . . . . . . .EC-290
RO2H-R - Wiring diagram . . . . . . . EC-289
Road wheel size . . . . . . . . . . . ..GI-44
Roof trim . . . . . . . . . . . . . . .BT-32
Room lamp - See Interior lamp . . . . . ..EL-88
RRO2LH - Wiring diagram...EC-251, 261, 271, 281
RRO2RH - Wiring diagram ..EC-250, 260, 270, 280

S

SAE J1930 terminology list . . . . . . . .GI-51
Screw jack . . . . . . . . . . . . . ...GI-45

Seal - See Exterior . . . . . . . . . . .BT-35
SEAT - Wiring diagram . . . . . . . . .EL-181
Seat belt inspection . . . . . . . .MA-28, RS-7
Seat belt pre-tensioner . . . . . . . . . .RS-3
Seat belt pre-tensioner disposal . . . . . RS-22
Seat belt, front . . . . . . . . . . . . ..RS-4
Seat belt, rear. . . . . . . . . . . . ...RS-5
Seat, front . . . . . . . . . . . . . ...BT-41
Seat, rear . . . . . . . . . . . . . . BT-44
Self-diagnosis (Transfer). . . . . . . . .TF-27
SHIFT - Wiring diagram . . . . . . . . AT-266
Shift lock system . . . . . . . . . . ...AT-265
Shift schedule. . . . . . . . . . . . AT-356
Shift solenoid valve A (A/T) ..AT-125, 137, 147, 171
Shift solenoid valve B (A/T)..AT-125, 131, 147, 175
Shock absorber (rear) . . . . . . . . . SU-18
Side air bag . . . . . . . . . . . . . RS-21
Side bearing preload (front final drive

4WD). . . . . . . . . . . . . . ...PD-24

Side trim . . . . . . . . . . . . . . ..BT-28
Side window - See Rear side window . . . BT-55
Smart entrance control unit . . . . . . ..EL-319
SMJ (super multiple junction) . . . . . ...Foldout
Spare tire size . . . . . . . . . . . . .GI-44
Spark plug replacement . . . . . . . . .MA-19
Speedometer. . . . . . . . . . . . ...EL-94
Spiral cable. . . . . . . . . . . . . .RS-17
Spot lamp . . . . . . . . . . . . . . EL-88
Spring (Wheelarch) height . . . . . . . ...SU-5
SROOF - Wiring diagram . . . . . . . .EL-174
SRS - See Supplemental Restraint

System . . . . . . . . . . . . . . RS-10

SRS - Wiring diagram . . . . . . . . . RS-35
S/SIG - Wiring diagram . . . . . . . . EC-622
Stabilizer bar (front). . . . . . . . . . SU-10
Stabilizer bar (rear) . . . . . . . . . . SU-20
Stall test (A/T) . . . . . . . . . . . . .AT-59
Standardized relay . . . . . . . . . . . EL-7
START - Wiring diagram. . . . . . . . .SC-11
Start signal . . . . . . . . . . . . ...EC-621
Starter . . . . . . . . . . . . . . . .SC-18
Starting system. . . . . . . . . . . ...SC-10
Steering gear, linkage and transfer

gear inspection . . . . . . . . . . ...MA-26

Steering linkage . . . . . . . . . . . ..ST-17
Steering switch. . . . . . . . . . . . EL-30
Steering transfer gear . . . . . . . . . .ST-15
Steering wheel and column. . . . . . . .ST-11
Steering wheel play . . . . . . . . . . ..ST-7
Steering wheel turning force . . . . . . . .ST-9
Stop lamp . . . . . . . . . . . . . . EL-67
STOP/L - Wiring diagram. . . . . . . . EL-67
Strut (front) . . . . . . . . . . . . . ...SU-8
Sub-oil pump (Transfer) . . . . . . . . TF-131
Sun gear (Transfer). . . . . . . . . ...TF-134
Sun roof, electric . . . . . . . . . . ...EL-173
Sunload sensor . . . . . . . . . . . HA-135
Sunroof. . . . . . . . . . . . . . . BT-45
Supplemental Restraint System . . . . . .RS-10
Supplemental restraint system - Wiring

diagram . . . . . . . . . . . . . ...RS-35

GI

MA

EM

LC

EC

FE

AT

TF

PD

AX

SU

BR

ST

RS

BT

HA

SC

EL

ALPHABETICAL INDEX

IDX-7

S/VCSW - Wiring diagram . . . . . . ...EC-493
Swirl control valve control solenoid

valve . . . . . . . . . . . . . . .EC-458

Swirl control valve control vacuum

check switch . . . . . . . . . . . .EC-493

SWL/V - Wiring diagram . . . . . . . ..EC-458
Symbols and abbreviations . . . . . . . .GI-10
Symptom matrix chart. . . . . . . . ...EC-118
System readiness test (SRT) code . . . . EC-61

T

2-4WD shift solenoid valve. . . . . . . TF-111
Tachometer . . . . . . . . . . . . . .EL-94
Tail lamp . . . . . . . . . . . . . . ..EL-61
TAIL/L - Wiring diagram . . . . . . . . ..EL-63
TCM circuit diagram . . . . . . . . . . AT-13
TCM inspection table . . . . . . . . . ..AT-92
TFTS - Wiring diagram . . . . . . . . .EC-311
THEFT - Wiring diagram. . . . . . . ...EL-300
Theft warning system. . . . . . . . . EL-294
Thermometer . . . . . . . . . . . . .EL-110
Thermostat . . . . . . . . . . . . . ..LC-16
Three way catalyst function (Left bank) . ...EC-347
Three way catalyst function (Right

bank) . . . . . . . . . . . . . . .EC-347

Three way catalyst precautions. . . . . . .GI-6
Throttle bodies . . . . . . . . . . . ...EM-12
Throttle position sensor (TPS) . . . . . .EC-174
Throttle position sensor adjustment . . . .EC-101
Throttle position switch . . ...EC-431, AT-184, 264
Tie-rod . . . . . . . . . . . . . . . .ST-21
Tie-rod ball joints. . . . . . . . . . . .ST-21
Tightening torque of standard bolts. . . . .GI-50
Timing chain. . . . . . . . . . . . ...EM-20
Tire rotation . . . . . . . . . . . . . MA-24
Tire size . . . . . . . . . . . . . . ...GI-44
TLID - Wiring diagram . . . . . . . . ..EL-179
Tooth contact (front final drive 4WD) . . . .PD-29
Tooth contact diff. . . . . . . . . . . ...PD-56
Torque converter installation . . . . . . .AT-278
Torque convertor clutch solenoid

valve . . . . . . . . . . . . ..AT-152, 161

Tow truck towing . . . . . . . . . . . ..GI-47
Towing point. . . . . . . . . . . . . .GI-49
TP/SW - Wiring diagram . . . . . . . ..EC-434
TPS - Wiring diagram. . . . . . . . ...EC-180
Transfer control unit inspection table. . . ..TF-55
Transfer dropping resistor . . . . . . . .TF-112
Transfer fluid replacement (Part time

4WD model) . . . . . . . . . . . ...MA-22

Transfer fluid temperature sensor . . . . .TF-111
Transfer motor . . . . . . . . . . . ...TF-117
Transfer motor relay . . . . . . . . . ..TF-113
Transfer serial number . . . . . . . . . GI-43
TRANSMT - Wiring diagram . . . . . . .EL-325
Tread-FR&RR (Dimensions). . . . . . . GI-43
Trim . . . . . . . . . . . . . . . . .BT-28
Trouble diagnoses . . . . . . . . . . ...GI-34
Trunk lid opener, electric. . . . . . . ...EL-178

Turbine revolution sensor. . . . . . . ..AT-202
TURN - Wiring diagram . . . . . . . . ..EL-77
Turn signal lamp . . . . . . . . . . . .EL-75
Two trip detection logic . . . . . . . . ..EC-59
Two-pole lift . . . . . . . . . . . . . .GI-47

U

Under body . . . . . . . . . . . . . .BT-60

V

Vacuum cut valve . . . . . . . . . . ...EC-32
Vacuum cut valve bypass valve. .EC-32, 585, 591
Vacuum hose (brake system). . . . . . .BR-21
Vacuum hose drawing (Engine control) . . .EC-26
Valve clearance. . . . . . . . . . . ..EM-52
Valve guide. . . . . . . . . . . . . .EM-43
Valve seat. . . . . . . . . . . . . ...EM-45
Valve spring. . . . . . . . . . . . . EM-46
Vehicle identification number. . . . . . ...GI-42
Vehicle recovery (freeing a stuck

vehicle). . . . . . . . . . . . . . .GI-49

Vehicle speed sensor (VSS) . . . . . . EC-417
VENT/V - Wiring diagram . . . EC-376, 555, 576
Ventilation air filter . . . . . . . . . . HA-159
VIAS . . . . . . . . . . . . . . . .EC-610
VIAS - Wiring diagram . . . . . . . . .EC-610
Viscosity number (SAE) . . . . . . . . .MA-12
VSS - Wiring diagram . . . . . . . . ..EC-420

W

Wait detection switch . . . . . . . . . TF-112
WARN - Wiring diagram. . . . . . . . EL-115
Warning chime . . . . . . . . . . . ..EL-125
Warning lamps . . . . . . . . . . . ..EL-114
Washer, front. . . . . . . . . . . . .EL-136
Washer, rear. . . . . . . . . . . . ..EL-141
Water pump . . . . . . . . . . . . . LC-12
Water temperature gauge . . . . . . . ...EL-94
Weatherstrip - See Exterior . . . . . . . BT-35
Wheel balance . . . . . . . . . . . ...MA-24
Wheel bearing (front). . . . . . . . . . AX-4
Wheel bearing (rear) . . . . . . . . . ..AX-18
Wheel hub (front). . . . . . . . . . . ..AX-6
Wheel sensors (ABS). . . . . . . ...BR-56, 80
Wheel size . . . . . . . . . . . . . ...GI-44
Wheelarch height . . . . . . . . . . . .SU-5
Wheelbase (Dimensions) . . . . . . . . GI-43
Wide open & closed throttle position

switch . . . . . . . . . . . . . . EC-174

Width (Dimensions) . . . . . . . . . . .GI-43
WINDOW - Wiring diagram . . . . . . ..EL-245
Window, door . . . . . . . . . . . . ..BT-18
Window, rear side . . . . . . . . . . ...BT-55
Window, side - See Rear side window . . ...BT-55

ALPHABETICAL INDEX

IDX-8

Windshield. . . . . . . . . . . . . ...BT-53
WIP/R - Wiring diagram . . . . . . . . EL-143
WIPER - Wiring diagram . . . . . . . ..EL-138
Wiper, front. . . . . . . . . . . . . EL-136
Wiper, rear . . . . . . . . . . . . . EL-141

Wiring Diagram (Cell code) list . . . . . .EL-457
Wiring diagram (Transfer) . . . . . . . ...TF-18
Wiring diagrams . . . . . . . . . . . ...GI-11
Wrist pin - See Piston pin inspection. . . .EM-63

GI

MA

EM

LC

EC

FE

AT

TF

PD

AX

SU

BR

ST

RS

BT

HA

SC

EL

ALPHABETICAL INDEX

IDX-9