engine NISSAN X-TRAIL 2001 Service Repair Manual

PG-46
HARNESS
ENGINE CONTROL HARNESS
QR25 Engine Models with A/T
TKIA0020E

HARNESS
PG-47
C
D
E
F
G
H
I
J
L
MA
B
PG
QR25 Engine Models with M/T
TKIA0021E

PG-48
HARNESS
QR20 Engine Models with A/T
CKWA0074E

HARNESS
PG-49
C
D
E
F
G
H
I
J
L
MA
B
PG
QR20 Engine Models with M/T
CKWA0075E

PG-50
HARNESS
Diesel Engine Models
CKWA0076E

PG-60
HARNESS
Wiring Diagram Codes (Cell Codes)
EKS0032J
Use the chart below to find out what each wiring diagram code stands for.
Refer to the wiring diagram code in the alphabetical index to find the location (page number) of each wiring
diagram.
Code Section Wiring Diagram Name
1STSIG AT A/T 1st Signal
2NDSIG AT A/T 2nd Signal
3RDSIG AT A/T 3rd Signal
4THSIG AT A/T 4th Signal
4WD BRC 4WD Control system
A/C ATC Air Conditioner
ABS BRC ABS Control System
APPS EC Accelerator Pedal Position (APP) Sensor
APRSW EC Accelerator Pedal Released Position Sensor
AT/IND DI A/T Indicator
AUDIO AV Audio
BA/FTS AT A/T Fluid Temperature Sensor and TCM Power Supply
BACK/L LT Back-up Lamp
BRK/SW EC Brake Switch
CAN EC,AT CAN Communication Line
CAN LAN CAN System
CHARGE SC Charging System
CHIME DI Warning Chime
CIGAR WW Cigarette Lighter
CLOCK DI Clock
CKPS EC Crankshaft Position Sensor
CMPS EC Camshaft Position Sensor
COOL/F EC Cooling Fan Control
CRFPS EC Common Rail Fuel Pressure Sensor
D/LOCK BL Power Door Lock
DEF GW Rear Window Defogger
DTRL LT Headlamp - With Daytime Light System
ECM/PW EC ECM Power
ECMRLY EC ECM Relay
ECTS EC Engine Coolant Temperature Sensor
EGRC/V EC EGR Volume Control Valve
ENGSS AT Engine Speed Signal
ETC1 EC Electric Throttle Function
ETC2 EC Electric Throttle Control Motor Relay
ETC3 EC Electric Throttle Control Motor
F/FOG LT Front Fog Lamp
FIAR EC Fuel Injector Adjustment resister
FRO2 EC Heated Oxygen Sensor 1 (Front)
FRO2/H EC Heated Oxygen Sensor 1 Heater (Front)
FTS EC Fuel Temperature Sensor
FTS AT A/T Fluid Temperature Sensor

ELECTRICAL UNITS LOCATION
PG-63
C
D
E
F
G
H
I
J
L
MA
B
PG
ELECTRICAL UNITS LOCATIONPFP:25230
Electrical Units Location EKS0032K
ENGINE COMPARTMENT
CKWA0089E
SMA for models with roof mounted driving lamp

MA-1
MAINTENANCE
L MAINTENANCE
CONTENTS
C
D
E
F
G
H
I
J
K
M
SECTION
A
B
MA
MAINTENANCE
PREPARATION ........................................................... 3
Special Service Tools ............................................... 3
Commercial Service Tools ........................................ 3
DESCRIPTION ............................................................ 4
Pre-delivery Inspection Items ................................... 4
GENERAL MAINTENANCE ....................................... 6
General Maintenance ............................................... 6
PERIODIC MAINTENANCE ....................................... 7
Periodic Maintenance ............................................... 7
ENGINE AND EMISSION CONTROL MAINTE-
NANCE (QR20DE AND QR25DE PETROL
ENGINE) ............................................................... 7
CHASSIS AND BODY MAINTENANCE
(QR20DE AND QR25DE PETROL ENGINE) ....... 7
ENGINE AND EMISSION CONTROL MAINTE-
NANCE (YD22DDTI DIESEL ENGINE) ................ 8
CHASSIS AND BODY MAINTENANCE
(YD22DDTI DIESEL ENGINE) .............................. 9
MAINTENANCE UNDER SEVERE DRIVING
CONDITIONS ...................................................... 10
ENGINE AND EMISSION CONTROL MAINTE-
NANCE (QR20DE AND QR25DE PETROL
ENGINE) .............................................................. 11
CHASSIS AND BODY MAINTENANCE
(QR20DE AND QR25DE PETROL ENGINE) ..... 12
ENGINE AND EMISSION CONTROL MAINTE-
NANCE (YD22DDTI DIESEL ENGINE) .............. 13
CHASSIS AND BODY MAINTENANCE
(YD22DDTI DIESEL ENGINE) ............................ 14
MAINTENANCE UNDER SEVERE DRIVING
CONDITIONS ...................................................... 14
RECOMMENDED FLUIDS AND LUBRICANTS ...... 16
Fluids and Lubricants ............................................. 16
SAE Viscosity Number ........................................... 17
GASOLINE ENGINE ........................................... 17
DIESEL ENGINE ................................................. 17
Engine Coolant Mixture Ratio ................................ 18
ENGINE MAINTENANCE (QR20DE·QR25DE) ........ 19
Checking Drive Belts .............................................. 19
Tension Adjustment ................................................ 19Changing Engine Coolant ....................................... 19
DRAINING ENGINE COOLANT .......................... 19
REFILLING ENGINE COOLANT ......................... 20
FLUSHING COOLING SYSTEM ......................... 21
Checking Cooling System ...................................... 21
CHECKING COOLING SYSTEM HOSES ........... 21
CHECKING RADIATOR ...................................... 21
CHECKING RADIATOR CAP .............................. 21
CHECKING RADIATOR SYSTEM FOR LEAKS ... 22
Checking Fuel Lines ............................................ ... 22
Changing Air Cleaner Filter .................................... 22
VISCOUS PAPER TYPE ..................................... 22
DRY PAPER TYPE .............................................. 22
Changing Engine Oil ............................................ ... 23
Changing Oil Filter .................................................. 23
Checking and Changing Spark Plugs ..................... 24
REMOVAL ........................................................... 24
INSPECTION AFTER REMOVAL ....................... 24
INSTALLATION ................................................... 25
Checking EVAP Vapor Lines .................................. 25
ENGINE MAINTENANCE (YD22DDTI) .................... 26
Checking Drive Belts .............................................. 26
Tension Adjustment ............................................. ... 26
AIR CONDITIONER COMPRESSOR BELT ........ 27
ALTERNATOR AND WATER PUMP BELT .......... 27
Changing Engine Coolant ....................................... 27
DRAINING ENGINE COOLANT .......................... 27
REFILLING ENGINE COOLANT ......................... 28
FLUSHING COOLING SYSTEM ......................... 29
Checking Cooling System ...................................... 29
CHECKING COOLING SYSTEM HOSES ........... 29
CHECKING RADIATOR ...................................... 29
CHECKING RADIATOR CAP .............................. 30
CHECKING RADIATOR SYSTEM FOR LEAKS ... 30
Checking Fuel Lines ............................................ ... 30
Changing Fuel Filter ............................................... 31
REMOVAL ........................................................... 31
INSTALLATION ................................................... 31
Changing Air Cleaner Filter .................................... 32
VISCOUS PAPER TYPE ..................................... 32

MA-2
Changing Engine Oil ............................................ ... 32
Changing Oil Filter .................................................. 33
REMOVAL ........................................................... 33
INSTALLATION .................................................... 34
Draining Water ........................................................ 34
CHASSIS AND BODY MAINTENANCE ................... 35
Checking Exhaust System ...................................... 35
Checking Clutch Fluid Level and Leaks ................. 35
Checking Clutch System ........................................ 35
Checking M/T Oil .................................................... 35
Changing M/T Oil .................................................... 35
Checking A/T Fluid ................................................. 36
Changing A/T Fluid ................................................. 36
Checking Transfer Oil ............................................. 37
Changing Transfer Oil .......................................... ... 37
Checking Propeller Shaft ........................................ 37
Checking Differential Gear Oil ................................ 38
Changing Differential Gear Oil ................................ 38
Balancing Wheels ................................................... 38
Rotation .................................................................. 38
Checking Brake Fluid Level and Leaks .................. 39
Checking Brake Lines and Cables ......................... 39
Changing Brake Fluid ............................................. 39
Checking Disc Brake .............................................. 39
ROTOR ................................................................ 39
CALIPER ............................................................. 40PAD ...................................................................... 40
Checking Steering Gear and Linkage ..................... 40
STEERING GEAR ............................................... 40
STEERING LINKAGE .......................................... 40
Checking Power Steering Fluid and Lines .............. 40
Axle and Suspension Parts ..................................... 41
Drive Shaft .............................................................. 41
Lubricating Locks, Hinges and Hood Latches ......... 41
Checking Seat Belts, Buckles, Retractors, Anchors
and Adjusters .......................................................... 42
Checking Body Corrosion ....................................... 42
HEMMED PANELS .............................................. 42
PANEL JOINT ...................................................... 42
PANEL EDGE ...................................................... 42
PARTS CONTACT ............................................... 42
PROTECTORS .................................................... 42
ANTI-CORROSION MATERIALS ........................ 42
DRAIN HOLES ..................................................... 42
SERVICE DATA AND SPECIFICATIONS (SDS) ...... 43
Standard and Limit .................................................. 43
BELT DEFLECTION AND TENSION ................... 43
RADIATOR ........................................................... 43
ENGINE COOLANT CAPACITY .......................... 43
ENGINE OIL CAPACITY ...................................... 43
SPARK PLUG ...................................................... 43

PREPARATION
MA-3
C
D
E
F
G
H
I
J
K
MA
B
MA
PREPARATIONPFP:00002
Special Service ToolsELS000B6
Commercial Service ToolsELS000K9
Tool number
To o l n a m eDescription
KV10115801
Oil filter wrenchRemoving and installing oil filter
(QR20DE and QR25DE engine models)
a: 64.3 mm (2.531 in)
EG17650301
Radiator cap tester adapterAdapting radiator cap tester to radiator filler
neck
a: 28 (1.10) dia.
b: 31.4 (1.236) dia.
c: 41.3 (1.626) dia.
Unit: mm (in)
S-NT375
S-NT564
To o l n a m eDescription
Spark plug wrench Removing and installing spark plug
(QR20DE and QR25DE engine models)
Fuel filter wrench Removing fuel filter
(YD22DDTi engine model)
S-NT047
PBIC0519E