2003 NISSAN X-TRAIL Electronic Repair Manual

service interval brake fluid tow bar remove seats set clock headlamp

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NISSAN X-TRAIL 2003 Electronic Repair Manual AT-3
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AT Line Pressure Test ............................................... 290
Road Test ............................................................. 291
TROUBLE DIAGNOSIS —

AT-3
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AT Line Pressure Test ............................................... 290
Road Test ............................................................. 291
TROUBLE DIAGNOSIS — GENERAL DESCRIP-
TION ........................................................................ 308
Symptom Chart .................................................... 308
TCM Terminals and Reference Value ................... 347
CAN COMMUNICATION ........................................ 351
System Description .............................................. 351
TROUBLE DIAGNOSES FOR SYMPTOMS .......... 352
............................................................................. 352
1. O/D OFF Indicator Lamp Does Not Come On . 354
2. Engine Cannot Be Started In “P” and “N” Position. 355
3. In “P” Position, Vehicle Moves Forward Or Back-
ward When Pushed .............................................. 356
4. In “N” Position, Vehicle Moves ......................... 356
5. Large Shock. “N”®“R” Position ...................... 358
6. Vehicle Does Not Creep Backward In “R” Position. 359
7. Vehicle Does Not Creep Forward In “D”, “2” Or
“1” Position ........................................................... 362
8. Vehicle Cannot Be Started From D
1................. 364
9. A/T Does Not Shift: D
1®D2Or Does Not Kick-
down: D
4®D2..................................................... 366
10. A/T Does Not Shift: D
2®D3......................... 368
11.A/TDoesNotShift:D
3®D4.......................... 371
12. A/T Does Not Perform Lock-up ...................... 374
13. A/T Does Not Hold Lock-up Condition ........... 375
14. Lock-up Is Not Released ................................ 376
15. Engine Speed Does Not Return To Idle (Light
Braking D
4®D3) ................................................ 377
16. Vehicle Does Not Start From D
1..................... 379
17. A/T Does Not Shift: D
4®D3, When Overdrive
Control Switch “ON”®“OFF” .............................. 380
18. A/T Does Not Shift: D
3®22, When Selector
Lever “D”®“2” Position ...................................... 380
19. A/T Does Not Shift: 2
2®11, When Selector
Lever “2”®“1” Position ....................................... 381
20. Vehicle Does Not Decelerate By Engine Brake. 381
21. TCM Self-diagnosis Does Not Activate (PNP &
Overdrive Control Switches, and Throttle Position
Sensor Circuit Checks) ........................................ 382
ALL
MAIN POWER SUPPLY AND GROUND CIRCUIT. 389
Wiring Diagram — AT — MAIN ............................ 389
Diagnostic Procedure ........................................... 390
VEHICLE SPEED SENSOR·A/T (REVOLUTION
SENSOR) ................................................................ 392
Description ........................................................... 392
Wiring Diagram — AT — VSSA/T ........................ 394
Diagnostic Procedure ........................................... 395
DTC VEHICLE SPEED SENSOR MTR .................. 397
Description ........................................................... 397
Wiring Diagram — AT — VSSMTR ...................... 399
Diagnostic Procedure ........................................... 400
ACCELE RATOR PEDAL POSITION (APP) SEN-
SOR ........................................................................ 401
Description ........................................................... 401Wiring Diagram — AT — TPS ..............................403
Diagnostic Procedure ...........................................404
SHIFT SOLENOID VALVE A ..................................406
Description ............................................................406
Wiring Diagram — AT — SSV/A ...........................408
Diagnostic Procedure ...........................................409
Component Inspection ..........................................410
SHIFT SOLENOID VALVE B ..................................411
Description ............................................................411
Wiring Diagram — AT — SSV/B ...........................413
Diagnostic Procedure ...........................................414
Component Inspection ..........................................415
OVERRUN CLUTCH SOLENOID VALVE ...............416
Description ............................................................416
Wiring Diagram — AT — OVRCSV ......................418
Diagnostic Procedure ...........................................419
Component Inspection ..........................................420
TORQUE CONVERTER CLUTCH SOLENOID
VALVE .....................................................................421
Description ............................................................421
Wiring Diagram — AT — TCV ..............................423
Diagnostic Procedure ...........................................424
Component Inspection ..........................................425
BATT/FLUID TEMP SEN (A/T FLUID TEMP SEN-
SOR CIRCUIT AND TCM POWER SOURCE) .......426
Description ............................................................426
Wiring Diagram — AT — BA/FTS .........................428
Diagnostic Procedure ...........................................429
Component Inspection ..........................................431
ENGINE SPEED SIGNAL .......................................432
Description ............................................................432
Wiring Diagram — AT — ENGSS .........................433
Diagnostic Procedure ...........................................434
LINE PRESSURE SOLENOID VALVE ...................436
Description ............................................................436
Wiring Diagram — AT — LPSV ............................438
Diagnostic Procedure ...........................................439
Component Inspection ..........................................441
CAN CAMMUNICATION LINE ................................443
Description ............................................................443
On Board Diagnosis Logic ....................................443
Self-Diagnosis Code Confirmation Procedure ......443
Wiring Diagram — AT — CAN ..............................444
Diagnostic Procedure ...........................................445
A/T SHIFT LOCK SYSTEM ....................................446
Description ............................................................446
Shift Lock System Electrical Parts Location .........446
Wiring Diagram — SHIFT — ................................447
Diagnostic Procedure ...........................................448
KEY INTERLOCK CABLE ......................................452
Components .........................................................452
Removal ...............................................................452
Installation ............................................................453
ON-VEHICLE SERVICE ..........................................454
Control Valve Assembly and Accumulators ..........454
Control Cable Adjustment .....................................456
Park/Neutral Position (PNP) Switch Adjustment ..456

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NISSAN X-TRAIL 2003 Electronic Repair Manual AT-4
Differential Side Oil Seal Replacement .................457
Revolution Sensor Replacement ..........................457
REMOVAL AND INSTALLATION ...........................458
Removal ...........

AT-4
Differential Side Oil Seal Replacement .................457
Revolution Sensor Replacement ..........................457
REMOVAL AND INSTALLATION ...........................458
Removal ...............................................................458
Installation .............................................................459
OVERHAUL .............................................................461
Components .........................................................461
Oil Channel ...........................................................464
Locations of Adjusting Shims, Needle Bearings,
Thrust Washers and Snap Rings ..........................465
DISASSEMBLY .......................................................466
Disassembly .........................................................466
REPAIR FOR COMPONENT PARTS ......................482
Manual Shaft ........................................................482
Oil Pump ...............................................................485
Control Valve Assembly ........................................489
Control Valve Upper Body ....................................498
Control Valve Lower Body ....................................502
Reverse Clutch .....................................................504
High Clutch ...........................................................507
Forward and Overrun Clutches ............................512
Low & Reverse Brake ...........................................518
Rear Internal Gear, Forward Clutch Hub and Over-
run Clutch Hub ......................................................521
Output Shaft, Idler Gear, Reduction Pinion Gear and
Bearing Retainer ...................................................525
Band Servo Piston Assembly ...............................530
Final Drive ............................................................535ASSEMBLY ............................................................. 540
Assembly (1) ......................................................... 540
Adjustment (1) ....................................................... 541
Assembly (2) ......................................................... 546
Adjustment (2) ....................................................... 553
Assembly (3) ......................................................... 556
SERVICE DATA AND SPECIFICATIONS (SDS) .... 563
General Specifications .......................................... 563
Shift Schedule ....................................................... 563
Stall Revolution ..................................................... 563
Line Pressure ........................................................ 563
Control Valves ....................................................... 564
Accumulator .......................................................... 564
Clutch and Brakes ................................................. 564
Final Drive ............................................................. 566
Planetary Carrier and Oil Pump ............................ 567
Input Shaft ............................................................. 568
Reduction Pinion Gear .......................................... 568
Band Servo ........................................................... 569
Output Shaft .......................................................... 569
Bearing Retainer ................................................... 569
Total End Play ....................................................... 569
Reverse Clutch End Play ...................................... 570
Removal and Installation ....................................... 570
Shift Solenoid Valves ............................................ 570
Solenoid Valves .................................................... 570
A/T Fluid Temperature Sensor .............................. 570
Revolution Sensor ................................................. 571
Dropping Resistor ................................................. 571

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NISSAN X-TRAIL 2003 Electronic Repair Manual PRECAUTIONS
AT-5
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PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
ECS004Q0
The Supplemental Restraint

PRECAUTIONS
AT-5
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PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
ECS004Q0
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. Information necessary to service the system safely is included in the SRS and SB section of
this Service Manual.
WA RN ING:
lTo avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be per-
formed by an authorized NISSAN/INFINITI dealer.
lImproper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.
lDo not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow harness connectors.
Precautions for On Board Diagnostic (EURO-OBD) System of A/T and Engine —
Euro-OBD —
ECS004Q1
The ECM has an on board diagnostic system. It will light up the malfunction indicator lamp (MIL) to warn the
driver of a malfunction causing emission deterioration.
CAUTION:
lBe sure to turn the ignition switch “OFF” and disconnect the negative battery terminal before any
repair or inspection work. The open/short circuit of related switches, sensors, solenoid valves,
etc. will cause the MIL to light up.
lBe sure to connect and lock the connectors securely after work. A loose (unlocked) connector will
cause the MIL to light up due to an open circuit. (Be sure the connector is free from water, grease,
dirt, bent terminals, etc.)
lBe sure to route and secure the harnesses properly after work. Interference of the harness with a
bracket, etc. may cause the MIL to light up due to a short circuit.
lBe sure to connect rubber tubes properly after work. A misconnected or disconnected rubber tube
may cause the MIL to light up due to a malfunction of the EGR system or fuel injection system, etc.
lBe sure to erase the unnecessary malfunction information (repairs completed) from the TCM and
ECM before returning the vehicle to the customer.
Precautions For Trouble DiagnosisECS004VN
CAN SYSTEM
lDo not apply voltage of 7.0V or higher to the measurement terminals.
lUse the tester with its open terminal voltage being 7.0V or less.
Precautions For Harness RepairECS004VO
CAN SYSTEM
lSolder the repaired parts, and wrap with tape. [Frays of twisted
line must be within 110 mm (4.33 in)]
PKIA0306E

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NISSAN X-TRAIL 2003 Electronic Repair Manual AT-6
PRECAUTIONS
lDo not perform bypass wire connections for the repair
parts.(The spliced wire will become separated and the charac-
teristics of twisted line will be lost.)
PrecautionsECS004Q2
lBefo

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NISSAN X-TRAIL 2003 Electronic Repair Manual PRECAUTIONS
AT-7
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lAfter performing each TROUBLE DIAGNOSIS, perform
“DTC (Diagnostic Trouble Code) CONFIRMATION PROCE-
DURE”.
The DTC should not be displayed in the “DTC

PRECAUTIONS
AT-7
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lAfter performing each TROUBLE DIAGNOSIS, perform
“DTC (Diagnostic Trouble Code) CONFIRMATION PROCE-
DURE”.
The DTC should not be displayed in the “DTC CONFIRMA-
TION PROCEDURE” if the repair is completed.
lBefore proceeding with disassembly, thoroughly clean the out-
side of the transaxle. It is important to prevent the internal parts
from becoming contaminated by dirt or other foreign matter.
lDisassembly should be done in a clean work area.
lUse lint-free cloth or towels for wiping parts clean. Common
shop rags can leave fibers that could interfere with the operation
of the transaxle.
lPlace disassembled parts in order for easier and proper assembly.
lAll parts should be carefully cleaned with a general purpose, non-flammable solvent before inspection or
reassembly.
lGaskets, seals and O-rings should be replaced any time the transaxle is disassembled.
lIt is very important to perform functional tests whenever they are indicated.
lThe valve body contains precision parts and requires extreme care when parts are removed and serviced.
Place disassembled valve body parts in order for easier and proper assembly. Care will also prevent
springs and small parts from becoming scattered or lost.
lProperly installed valves, sleeves, plugs, etc. will slide along bores in valve body under their own weight.
lBefore assembly, apply a coat of recommended ATF to all parts. Apply petroleum jelly to protect O-rings
and seals, or hold bearings and washers in place during assembly. Do not use grease.
lExtreme care should be taken to avoid damage to O-rings, seals and gaskets when assembling.
lAfter overhaul, refill the transaxle with new ATF.
lWhen the A/T drain plug is removed, only some of the fluid is drained. Old A/T fluid will remain in torque
converter and ATF cooling system.
Always follow the procedures under “Changing A/T Fluid” in the AT section when changing A/T fluid. Refer
to “Changing A/T Fluid”,AT-13, "
A/T FLUID".
Service Notice or PrecautionsECS004Q3
FAI L-S AFE
The TCM has an electronic Fail-Safe (limp home mode). This allows the vehicle to be driven even if a major
electrical input/output device circuit is damaged.
Under Fail-Safe, the vehicle always runs in third gear, even with a shift lever position of “1”, “2” or “D”. The cus-
tomer may complain of sluggish or poor acceleration.
When the ignition key is turned “ON” following Fail-Safe operation, O/D OFF indicator lamp blinks for about 8
seconds. Refer to SELF-DIAGNOSTIC PROCEDURE(WITHOUT CONSULT-II)",AT- 2 7 3 , "
Diagnostic Proce-
dure Without CONSULT-II"(EXCEPT FOR EURO-OBD) or "TCM Self-diagnostic Procedure(NO TOOLS)",
AT- 5 1 , "
TCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)"(EURO-OBD).
The blinking of the O/D OFF indicator lamp for about 8 seconds will appear only once and be cleared. The
customer may resume normal driving conditions.
Always follow the “WORK FLOW”, refer toAT-284, "
Work Flow"(EXCEPT FOR Euro-OBD) orAT-61, "Work
Flow"(Euro-OBD).
The SELF-DIAGNOSIS results will be as follows:
lThe first SELF-DIAGNOSIS will indicate damage to the vehicle speed sensor or the revolution sensor.
lDuring the next SELF-DIAGNOSIS, performed after checking the sensor, no damages will be indicated.
TORQUE CONVERTER SERVICE
The torque converter should be replaced under any of the following conditions:
lExternal leaks in the hub weld area.
lConverter hub is scored or damaged.
lConverter pilot is broken, damaged or fits poorly into crankshaft.
lSteel particles are found after flushing the cooler and cooler lines.
lPump is damaged or steel particles are found in the converter.
SAT652J

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NISSAN X-TRAIL 2003 Electronic Repair Manual AT-8
PRECAUTIONS
lVehicle has TCC shudder and/or no TCC apply. Replace only after all hydraulic and electrical diagnoses
have been made. (Converter clutch material may be glazed.)
lConverter is contam

AT-8
PRECAUTIONS
lVehicle has TCC shudder and/or no TCC apply. Replace only after all hydraulic and electrical diagnoses
have been made. (Converter clutch material may be glazed.)
lConverter is contaminated with engine coolant containing antifreeze.
lInternal failure of stator roller clutch.
lHeavy clutch debris due to overheating (blue converter).
lSteel particles or clutch lining material found in fluid filter or on magnet when no internal parts in unit are
worn or damaged — indicates that lining material came from converter.
The torque converter should not be replaced if:
lThe fluid has an odor, is discolored, and there is no evidence of metal or clutch facing particles.
lThe threads in one or more of the converter bolt holes are damaged.
lTransaxle failure did not display evidence of damaged or worn internal parts, steel particles or clutch plate
lining material in unit and inside the fluid filter.
lVehicle has been exposed to high mileage (only). The exception may be where the torque converter
clutch dampener plate lining has seen excess wear by vehicles operated in heavy and/or constant traffic,
such as taxi, delivery or police use.
EURO-OBD SELF-DIAGNOSIS — EURO-OBD —
lA/T self-diagnosis is performed by the TCM in combination with the ECM. The results can be read through
the blinking pattern of the O/D OFF indicator lamp or the malfunction indicator lamp (MIL). Refer to the
table onAT-42, "
SELF-DIAGNOSTIC RESULT TEST MODE"for the indicator used to display each self-
diagnostic result.
lThe self-diagnostic results indicated by the MIL are automatically stored in both the ECM and TCM mem-
ories.
Always perform the procedure “HOW TO ERASE DTC” onAT-39, "
HOW TO ERASE DTC"to com-
plete the repair and avoid unnecessary blinking of the MIL.
lThe following self-diagnostic items can be detected using ECM self-diagnostic results mode* only when
the O/D OFF indicator lamp does not indicate any malfunctions.
–PNP switch
–A/T 1st, 2nd, 3rd, or 4th gear function
*: For details of EURO-OBD, refer toAT - 3 7 , "
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION".
lCertain systems and components, especially those related to EURO-OBD, may use a new style
slide-locking type harness connector.
For description and how to disconnect, refer toPG-70, "
HARNESS CONNECTOR".
Wiring Diagrams and Trouble DiagnosisECS004Q4
When you read wiring diagrams, refer to the following:
lGI-14, "How to Read Wiring Diagrams".
lPG-2, "POWER SUPPLY ROUTING".
When you perform trouble diagnosis, refer to the following:
lGI-11, "HOW TO FOLLOW TEST GROUPS IN TROUBLE DIAGNOSES".
l"", “HOW TO PERFORM EFFICIENT DIAGNOSIS FOR AN ELECTRICAL INCIDENT”

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NISSAN X-TRAIL 2003 Electronic Repair Manual PREPARATION
AT-9
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PREPARATIONPFP:00100
Special Service ToolsECS004Q5
Tool number
To o l n a m eDescription
KV381054S0 Puller
lRemoving differential side oil seals
lRemoving di

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NISSAN X-TRAIL 2003 Electronic Repair Manual AT-10
PREPARATION
KV32101000 Pin
punchlRemoving and installing manual shaft retaining
pin
lRemoving and installing pinion mate shaft lock
pin
a: 4 mm (0.16 in) dia.
KV31102400 Clutch
spring compres-so

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