2003 NISSAN TEANA Cooling

CAMSHAFT
EM-201
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INSPECTION AFTER INSTALLATION
Inspection of Camshaft Sprocket (INT) Oil Groove
CAUTION:

Perform this inspection only when DTC P0011 or P0021 are detected in self-diagnostic results of
CONSULT-II and it is directed according to inspection procedure of EC section. Refer to EC-427,
"SELF-DIAG RESULTS MODE" .

Check when engine ins cold so as to prevent burns from any splashing engine oil.
1. Check the engine oil level. Refer to LU-19, "
ENGINE OIL" .
2. Perform the following procedure so as to prevent the engine from being unintentionally started while
checking.
a. Release fuel pressure. Refer to EC-392, "
FUEL PRESSURE RELEASE" .
b. Disconnect ignition coil and injector harness connectors.
3. Remove intake manifold control solenoid valve. Refer to EM-192, "
CAMSHAFT" .
4. Crank the engine, and then make sure that engine oil comes out
from camshaft bracket (No. 1) oil hole. End crank after checking.
WARNING:
Be careful not to touch rotating parts (drive belts, idler pul-
ley, and crankshaft pulley, etc.).
CAUTION:
Engine oil may squirt from intake valve timing control sole-
noid valve installation hole during cranking. Use a shop
cloth to prevent the engine components and the vehicle. Do
not allow engine oil to get on rubber components such as
drive belt or engine mount insulators. Immediately wipe off
any splashed engine oil.

Clean oil groove between oil strainer and intake valve timing control solenoid valve if engine oil does not
come out from camshaft bracket (No. 1) oil hole. Refer to LU-17, "
LUBRICATION SYSTEM" .
5. Remove components between intake valve timing control solenoid valve and camshaft sprocket (INT),
and then check each oil groove for clogging.

Clean oil groove if necessary. Refer to LU-17, "LUBRICATION SYSTEM" .
6. After inspection, install removed parts.
Inspection for Leaks
The following are procedures for checking fluids leak, lubricates leak and exhaust gases leak.

Before starting engine, check oil/fluid levels including engine coolant and engine oil. If less than required
quantity, fill to the specified level. Refer to MA-14, "
RECOMMENDED FLUIDS AND LUBRICANTS" .

Use procedure below to check for fuel leakage.
–Turn ignition switch “ON” (with engine stopped). With fuel pressure applied to fuel piping, check for fuel
leakage at connection points.
–Start engine. With engine speed increased, check again for fuel leakage at connection points.

Run engine to check for unusual noise and vibration.
NOTE:
If hydraulic pressure inside timing chain tensioner drops after removal/installation, slack in the guide may
generate a pounding noise during and just after engine start. However, this is normal. Noise will stop after
hydraulic pressure rises.

Warm up engine thoroughly to make sure there is no leakage of fuel, exhaust gases, or any oil/fluids
including engine oil and engine coolant.

Bleed air from lines and hoses of applicable lines, such as in cooling system.

After cooling down engine, again check oil/fluid levels including engine oil and engine coolant. Refill to the
specified level, if necessary.
PBIC2869E

CYLINDER HEAD
EM-215
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INSPECTION AFTER INSTALLATION
Inspection for Leaks
The following are procedures for checking fluids leak, lubricates leak and exhaust gases leak.

Before starting engine, check oil/fluid levels including engine coolant and engine oil. If less than required
quantity, fill to the specified level. Refer to MA-14, "
RECOMMENDED FLUIDS AND LUBRICANTS" .

Use procedure below to check for fuel leakage.
–Turn ignition switch “ON” (with engine stopped). With fuel pressure applied to fuel piping, check for fuel
leakage at connection points.
–Start engine. With engine speed increased, check again for fuel leakage at connection points.

Run engine to check for unusual noise and vibration.

Warm up engine thoroughly to make sure there is no leakage of fuel, exhaust gases, or any oil/fluids
including engine oil and engine coolant.

Bleed air from lines and hoses of applicable lines, such as in cooling system.

After cooling down engine, again check oil/fluid levels including engine oil and engine coolant. Refill to the
specified level, if necessary.
Summary of the inspection items:
* Transmission/transaxle/CVT fluid. power steering fluid, brake fluid, etc.
Disassembly and AssemblyBBS004W8
Item Before starting engine Engine running After engine stopped
Engine coolant Level Leakage Level
Engine oil Level Leakage Level
Other oils and fluid* Level Leakage Level
Fuel Leakage Leakage Leakage
Exhaust gases — Leakage —
PBIC2481E

EM-226
[VQ]
ENGINE ASSEMBLY

6. Remove front suspension member mounting nuts and bolts. Refer to FSU-5, "FRONT SUSPENSION
ASSEMBLY" .
7. Carefully lower engine, transaxle and front suspension member assembly. When performing work,
observe the following caution.
CAUTION:

Confirm there is no interference with vehicle.

Make sure that all connection points have been disconnected.

Keep in mind the center of vehicle gravity changes. If necessary, use jack(s) to support vehicle
at rear jacking point(s) to prevent it from falling it off the lift.
Separation Work
1. Remove power steering oil pump, power steering piping and power steering bracket from engine and tran-
saxle assembly. Refer to PS-39, "
HYDRAULIC LINE" .
2. Remove starter motor. Refer to SC-14, "
STARTING SYSTEM" .
3. Disconnect harness connector of engine mounting insulators (front and rear).
4. Remove engine mounting (front) and engine mounting (rear) through-bolts.
5. Lift with hoist and separate engine and transaxle assembly from front suspension member.
CAUTION:
Before and during this lifting, always make sure that any harnesses are not connected.
6. Remove each engine mounting insulator and each engine mounting bracket from engine, transaxle and
front suspension member.
7. Separate engine and transaxle. Refer to AT- 2 4 1 , "
TRANSAXLE ASSEMBLY" (A/T), CVT-193, "TRAN-
SAXLE ASSEMBLY" (CVT).
INSTALLATION
Note the following, and install in the reverse order of removal.

Do not allow engine mounting insulator to be damage and careful no engine oil gets on it.

For a path with a specified installation orientation, refer to component figure in EM-223, "Removal and
Installation" .

Make sure all engine mounting insulators are seated properly, then tighten nuts and bolts.
INSPECTION AFTER INSTALLATION
Inspection for Leaks
The following are procedures for checking fluids leak, lubricates leak and exhaust gases leak.

Before starting engine, check oil/fluid levels including engine coolant and engine oil. If less than required
quantity, fill to the specified level. Refer to MA-14, "
RECOMMENDED FLUIDS AND LUBRICANTS" .

Use procedure below to check for fuel leakage.
–Turn ignition switch “ON” (with engine stopped). With fuel pressure applied to fuel piping, check for fuel
leakage at connection points.
–Start engine. With engine speed increased, check again for fuel leakage at connection points.

Run engine to check for unusual noise and vibration.

Warm up engine thoroughly to make sure there is no leakage of fuel, exhaust gases, or any oil/fluids
including engine oil and engine coolant.

Bleed air from lines and hoses of applicable lines, such as in cooling system.

After cooling down engine, again check oil/fluid levels including engine oil and engine coolant. Refill to the
specified level, if necessary.

GI-34
CONSULT-II CHECKING SYSTEM

Checking Equipment BAS0007N
When ordering the following equipment, contact your NISSAN/INFINITI distributor.
CAUTION:

Previous CONSULT-II “I” and “Y” DLC-I and DLC-II cables should NOT be used anymore because
their DDL connector pins can be damaged during cable swapping.

If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carry out CAN communication.

If CONSULT-II CONVERTER is not connected with CONSULT-II, vehicle occur the “FAIL SAFE
MODE” which is “LIGHT UP the HEAD LIGHT” and/or “COOLING FAN ROTATING” when CON-
SULT-II is started.
NOTE:

The CONSULT-II must be used in conjunction with a program card.
CONSULT-II does not require loading (Initialization) procedure.

Be sure the CONSULT-II is turned off before installing or removing a program card.
CONSULT-II Start ProcedureBAS0007O
NOTE:
Turning ignition switch off when performing CAN diagnosis could cause CAN memory to be erased.
1. Connect CONSULT-II and CONSULT-II CONVERTER to the
data link connector.
2. If necessary, turn on the ignition switch.
3. Touch “START(NISSAN BASED VHCL)” or System Shortcut key
(ex: ENGINE) on the screen.
Tool nameDescription
NISSAN CONSULT-II
1. CONSULT-II unit (Tester internal soft: Resident
version 3.3.0) and accessories
2. Program card AED06A and AEN06A (For NATS)
3. CONSULT-II CONVERTER
SAIA0362E
PAIA0070E
SAIA0450E

IDX-3
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IDX
ALPHABETICAL INDEX
CAN (Controller Area Network) . BL-23, BL-48, BL-77,
GW-56
, SE-16
CAN communication EC-113, EC-458, AT-27, CVT-19,
CVT-53
, BL-23, BL-48, BL-77, GW-56, SE-16, WW-9
Canister-See EVAP canister ............... EC-29, EC-369
CHARGE - Wiring diagram ................................ SC-28
Charging system ................................................ SC-27
Chassis and body maintenance ........................ MA-35
CHIME - Wiring diagram ..................................... DI-60
CIGAR - Wiring diagram .................................. WW-60
Cigarette lighter ............................................... WW-60
Circuit breaker ................................................... PG-16
Closed loop control .............................. EC-22, EC-359
Collision diagnosis ........................................... SRS-55
Combination meter ............................................... DI-4
COMM - Wiring diagram ........................ AV-49, AV-73
Component Location (auto A/C) ...................... ATC-36
Compression pressure(QR20DE) ...................... EM-65
Compression pressure(VQ23DE and VQ35DE) ...........
EM-210
Compressor clutch removal and installation .. ATC-136
Compressor special service tool ...................... ATC-15
Condenser ..................................................... ATC-142
Connecting rod bearing clearance(QR20DE) .. EM-105
Connecting rod bearing clearance(VQ23DE and
VQ35DE) ......................................................... EM-251
Connecting rod bushing clearance(QR20DE) . EM-101
Connecting rod bushing clearance(VQ23DE and
VQ35DE) ......................................................... EM-247
Connecting rod(QR20DE) ............................... EM-101
Connecting rod(VQ23DE and VQ35DE) ......... EM-247
CONSULT-II for engine ....................... EC-80, EC-425
CONSULT-II Reference value (CVT) .............. CVT-43
Control units (terminal arrangement) ................. PG-74
Control valve (CVT) ......................................... CVT-23
Controller Area Network (CAN) . BL-23, BL-48, BL-77,
GW-56
, SE-16
Converter housing installation ............ AT-244, AT-355
COOL/F - Wiring diagram .................. EC-222, EC-579
Coolant mixture ratio ......................................... MA-15
Coolant replacement(QR20DE) ......................... MA-16
Coolant replacementVQ35DE ........................... MA-25
Cooling circuit (engine)(QR20DE) ....................... CO-8
Cooling circuit (engine)(VQ32DE and VQ35DE) CO-32
Cooling fan control ........................................... EC-575
Cooling fan motor ............................................ EC-575
Cooling fan relay .............................................. EC-575
Cooling fan(QR20DE) ........................................ CO-20
Cooling fan(VQ23DE and VQ35DE) .................. CO-44
Cowl top ............................................................... EI-21
Cowl top cover ..................................................... EI-21
Crankcase ventilation system - See Positive crankcase
ventilation ............................................ EC-30
, EC-370
Crankshaft position sensor (POS) ..... EC-169, EC-517
Crankshaft(QR20DE) ...................................... EM-104
Crankshaft(VQ23DE and VQ35DE) ................ EM-251
Crash zone sensor .......................................... SRS-44
CVT air breather hose ................................... CVT-186
CVT control system ......................................... CVT-16
CVT cross-sectional view ................................ CVT-15
CVT Electrical parts location ............................ CVT-30
CVT fluid checking ................ CVT-13, CVT-32, MA-36
CVT Fluid Cooler ........................................... CVT-189
CVT fluid replacement ........................ CVT-14, MA-38
CVT fluid temparature sensor .......................... CVT-69
CVT hydraulic control system .......................... CVT-17
CVT indicator ...................................................... DI-52
CVT self-diagnoses ......................................... CVT-47
CVT shift lock system .................................... CVT-180
CVT trouble diagnoses .................................... CVT-24
CVTIND - Wiring diagram ................................... DI-52
Cylinder block boring(QR20DE) ..................... EM-104
Cylinder block(QR20DE) .................................. EM-81
Cylinder block(VQ23DE and VQ35DE) .......... EM-228
Cylinder head bolt tightening(QR20DE) ........... EM-68
Cylinder head bolt tightening(VQ23DE and VQ35DE) .
EM-213
Cylinder head(QR20DE) ................................... EM-65
Cylinder head(VQ23DE and VQ35DE) ........... EM-210
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D/LOCK - Wiring diagram .................................. BL-25
Diagnosis sensor unit ..................................... SRS-47
Diagnostic trouble code (DTC) for OBD system EC-10,
EC-34
, EC-347, EC-375
Diagnostic trouble code (DTC) inspection priority chart
EC-58
, EC-400, CVT-24
Differentil side oil seal .................................... CVT-187
Display and amp.assembly ............... ATC-44, ATC-56
Display Control Unit ........................................... AV-61
Display Unit ........................................................ AV-41
Door glass ........................................... GW-46, GW-50
Door glass Fitting Adjustment(Front) ................ GW-49
Door glass Fitting Adjustment(Rear) ................. GW-53
Door lock .......................................................... BL-123
Door mirror .......................................... GW-74, GW-77
Door trim ............................................................. EI-35
Door, front ........................................... BL-119, GW-46
Door, rear ............................................ BL-119, GW-50
Drive belt inspection(QR20DE) ......................... MA-16
Drive belt inspection(VQ23DE and VQ35DE) ... MA-24
Drive belt(QR20DE) .......................................... EM-14
Drive belt(VQ23DE and VQ35DE) .................. EM-128
Drive shaft ......................................................... MA-43
Driver air bag .................................................. SRS-35
Dropping resistor (A/T) .................................... AT-132
Duct and grilles .............................................. ATC-126
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ECM input/output signal ....................... EC-72
, EC-415
ECM power supply EC-106, EC-193, EC-451, EC-541
ECM/PW - Wiring diagram ................. EC-194, EC-542
ECTS - Wiring diagram ...................... EC-133, EC-476
Electric sunroof .................................................. RF-10
Electric throttle control actuator ........ EC-197, EC-200,
EC-213
, EC-552, EC-555

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IDX
ALPHABETICAL INDEX
Heated oxygen sensor 1 (bank 2) .... EC-486, EC-496,
EC-696
Heated oxygen sensor 1 heater ...................... EC-308
Heated oxygen sensor 1 heater (bank 1) ........ EC-706
Heated oxygen sensor 1 heater (bank 2) ........ EC-706
Heated oxygen sensor 2 .................................. EC-313
Heated oxygen sensor 2 (bank 1) ..... EC-714, EC-723
Heated oxygen sensor 2 (bank 2) ..... EC-714, EC-723
Heated oxygen sensor 2 heater ...................... EC-319
Heated seat ....................................................... SE-61
Heater and cooling unit (Heater core) ........... ATC-119
HFC134a (R134a) system precaution ............... ATC-5
HFC134a (R134a) system service procedure ATC-131
HFC134a (R134a) system service tools .......... ATC-16
HFC134a system service equipment precaution ..........
ATC-12
HLC - Wiring diagram ...................................... WW-43
HO2S1 - Wiring diaram ..................... EC-145, EC-152
Horn ................................................................. WW-62
HORN - Wiring diagram ................................... WW-62
How to erase DTC for OBD system ..... EC-35, EC-376
HSEAT - Wiring diagram ................................... SE-70
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IATSEN - Wiring diagram .................. EC-325
, EC-731
Idle air volume learning ....................... EC-47, EC-389
Idle speed .............................. EC-40, EC-381, EC-387
Ignition coil ......................................... EC-329, EC-735
Ignition coil(QR20DE) ........................................ EM-31
Ignition coil(VQ23DE and VQ35DE) ................ EM-152
Ignition control system ....................... EC-329, EC-735
Ignition timing ........................ EC-40, EC-381, EC-387
IGNSYS - Wiring diagram .................. EC-330, EC-736
In vehicle sensor ............................. ATC-99, ATC-110
INF/D - Wring diagram ........................... AV-43, AV-65
INJECT - Wiring diagram ................... EC-290, EC-685
Injector ............................................... EC-289, EC-684
Input/Output signal of TCM .............................. CVT-19
Instrument panel .................................................. IP-10
INT/L - Wiring diagram ..................................... LT-217
Intake air temperature sensor ............ EC-324, EC-730
Intake door control linkage adjustment ............ ATC-71
Intake door motor ........................... ATC-69, ATC-117
Intake manifold collector(VQ23DE and VQ35DE) ........
EM-133
Intake manifold(QR20DE) ................................. EM-19
Intake manifold(VQ23DE and VQ35DE) ......... EM-138
Intake sensor ................................ ATC-105, ATC-112
Intake valve timing control ............................... EC-116
Intake valve timing control (Bank 1) ................ EC-461
Intake valve timing control (Bank 2) ................ EC-461
Intake valve timing control solenoid valve (Bank 1) ......
EC-545
Intake valve timing control solenoid valve (Bank 2) ......
EC-545
Interior ................................................................. EI-38
Interior lamp ........................................ LT-217, LT-219
IPDM (Intelligent power distribution module engine room) ................................................................. PG-17
IVC - Wiring diagram ....................................... EC-119
IVCB1 - Wiring diagram ................................... EC-546
IVCB2 - Wiring diagram ................................... EC-548
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Knock sensor (KS) ............................. EC-164
, EC-512
KS - Wiring diagram ........................... EC-165, EC-513
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L/USSV - Wiring diagram ............................... CVT-148
LAN system circuit ........................................... ATC-59
LCD display ....................................................... AV-61
Line pressure and secondary pressure control CVT-20
Line pressure solenoid valve .......... CVT-97, CVT-102
Line pressure test (A/T) ..................................... AT-46
Liquid gasket application(QR20DE) ........... EM-6, LU-3
Liquid gasket application(VQ23DE and VQ35DE) ........
EM-120
, LU-15, CO-3, CO-27
Location of electrical units ................................. PG-67
Lock-up and select control ............................... CVT-21
Lock-up select solenoid valve ........................ CVT-147
LPSV - Wiring diagram ...................... AT-127, CVT-98
Lubricant (R134a) A/C ..................................... ATC-21
Lubricants ......................................................... MA-14
Lubrication circuit (engine)(QR20DE) .................. LU-5
Lubrication circuit (engine)(VQ23DE and VQ35DE) .....
LU-17
Lubrication oil A/C .......................................... ATC-150
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MAFS - Wiring diagram ..................... EC-126
, EC-468
Magnet clutch ................................. ATC-78, ATC-136
MAIN - Wiring diagram ........ EC-106, EC-451, AT-158
Maintenance (engine)(VQ23DE and VQ35DE) MA-24
Malfunction indicator (MI) .................... EC-36, EC-377
Mass air flow sensor (MAFS) ............. EC-124, EC-466
Meter ..................................................................... DI-4
METER - Wiring diagram .................................... DI-10
MIL data link connectors circuit ......... EC-344, EC-763
MIL/DL - Wiring diagram .................... EC-344, EC-763
Mirror, door ......................................... GW-74, GW-77
Mirror, out side .................................... GW-74, GW-77
MMSW - Wiring diagram ................................ CVT-114
Mode door control linkage adjustment ............. ATC-65
Mode door motor ............................ ATC-63, ATC-123
Molding - See Exterior EI-25, EI-27, EI-28, EI-29, EI-30
Mud guard - See Exterior .................................... EI-24
Multiport fuel injection (MFI) system .... EC-21, EC-358
Multiport fuel injection precautions ....................... GI-6
N
NATS - Wiring diagram .................................... BL-143
NATS (Nissan anti-theft system) precautions ....... GI-3
NONDTC - Wiring diagram .............. AT-168, CVT-160

LAN-10
[CAN FUNDAMENTAL]
TROUBLE DIAGNOSIS

Example: Main Line Between Data Link Connector and ABS Actuator and Electric Unit (Con-
trol Unit) Open Circuit
SKIB8740E
Unit name Symptom
ECM Engine torque limiting is affected, and shift harshness increases.
BCM

Reverse warning chime does not sound.

The front wiper moves under continuous operation mode even though the front
wiper switch being in the intermittent position.
EPS control unit The steering effort increases.
Combination meter

The shift position indicator and OD OFF indicator turn OFF.

The speedometer is inoperative.

The odo/trip meter stops.
ABS actuator and electric unit (control unit) Normal operation.
TCM No impact on operation.
IPDM E/RWhen the ignition switch is ON,

The headlamps (Lo) turn ON.

The cooling fan continues to rotate.

TROUBLE DIAGNOSIS
LAN-11
[CAN FUNDAMENTAL]
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LAN

Example: CAN-H, CAN-L Harness Short Circuit
SKIB8741E
Unit name Symptom
ECM

Engine torque limiting is affected, and shift harshness increases.

Engine speed drops.
BCM

Reverse warning chime does not sound.

The front wiper moves under continuous operation mode even though the front
wiper switch being in the intermittent position.

The room lamp does not turn ON.

The engine does not start (if an error or malfunction occurs while turning the igni-
tion switch is OFF.)

The steering lock does not release (if an error or malfunction occurs while turning
the ignition switch is OFF.)
EPS control unit The steering effort increases.
Combination meter

The tachometer and the speedometer do not move.

Warning lamps turn ON.

Indicator lamps do not turn ON.
ABS actuator and electric unit (control unit) Normal operation.
TCM No impact on operation.
IPDM E/RWhen the ignition switch is ON,

The headlamps (Lo) turn ON.

The cooling fan continues to rotate.