engine NISSAN X-TRAIL 2003 Electronic Repair Manual

TROUBLE DIAGNOSIS — BASIC INSPECTION
AT-293
[EXC.F/EURO-OBD]
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2.CHECK O/D OFF INDICATOR LAMP
Does O/D OFF indicator lamp flicker for about 8 seconds?
Ye s o r N o
Yes (Except for Euro-OBD )>>Perform self-diagnosis and check
NG items on the DIAGNOSTIC WORKSHEET,AT-280,
"DIAGNOSTIC WORKSHEET". Refer toAT-273,
"SELF-DIAGNOSTIC PROCEDURE (WITHOUT CON-
SULT-II)".
No (Except for Euro-OBD)>>1.Turn ignition switch to “OFF” posi-
tion.
2. Perform self-diagnosis and note NG items.
Refer toAT-273, "
SELF-DIAGNOSTIC PROCEDURE
(WITHOUT CONSULT-II)".
3. Go to “2. CHECK AT IDLE”,AT-293, "
2. CHECK AT IDLE".
Yes (EURO-OBD)>>Perform self-diagnosis and check NG items on the DIAGNOSTIC WORKSHEET,AT-57,
"DIAGNOSTIC WORKSHEET". Refer toAT - 5 1 , "TCM SELF-DIAGNOSTIC PROCEDURE (NO
TOOLS)".
No (EURO-OBD)>>1.Turn ignition switch to “OFF” position.
2. Perform self-diagnosis and note NG items.
Refer toAT-51, "
TCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)".
3. Go to “2. CHECK AT IDLE”,AT-293, "
2. CHECK AT IDLE".
2. CHECK AT IDLE
1.CHECK ENGINE START
1. Park vehicle on flat surface.
2. Turn ignition switch to “OFF” position.
3. Move selector lever to “P” or “N” position.
4. Turn ignition switch to “START” position.
5. Is engine started?
Ye s o r N o
Yes >>GOTO2
No >> Mark the box on the DIAGNOSTIC WORKSHEET.Go to
"2 Engine Cannot Be Started In “P” and “N” Position”,
AT-355, "
2. Engine Cannot Be Started In“P”and“N”
Position". Continue ROAD TEST.
2.CHECK ENGINE START
1. Turn ignition switch to “OFF” position.
2. Move selector lever to “D”, “1”, “2” or “R” position.
3. Turn ignition switch to “START” position.
4. Is engine started?
Ye s o r N o
Yes >> Mark the box on the DIAGNOSTIC WORKSHEET. Go
To "2. Engine Cannot Be Started In “P” and “N” Posi-
tion”,AT-355, "
2. Engine Cannot Be Started In“P”and
“N”Position". Continue ROAD TEST.
No >> GO TO 3
SCIA0693E
SAT769B
SAT770B

AT-294
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSIS — BASIC INSPECTION
3.CHECK VEHICLE MOVE
1. Turn ignition switch to “OFF” position.
2. Move selector lever to “P” position.
3. Release parking brake.
4. Push vehicle forward or backward.
5. Does vehicle move when it is pushed forward or backward?
Ye s o r N o
Yes >> Mark the box on the DIAGNOSTIC WORKSHEET. Go
To "3. In “P” Position, Vehicle Moves Forward Or Back-
ward When Pushed”,AT-356, "
3. In“P”Position, Vehicle
Moves Forward Or Backward When Pushed". Continue
ROAD TEST.
No >> GO TO 4
4.CHECK VEHICLE MOVE
1. Apply parking brake.
2. Move selector lever to “N” position.
3. Turn ignition switch to “START” position and start engine.
4. Release parking brake.
5. Does vehicle move forward or backward?
Ye s o r N o
Yes >> Mark the box on the DIAGNOSTIC WORKSHEET. Go
To "4. In “N” Position, Vehicle Moves”,AT-356, "
4. In“N”
Position, Vehicle Moves". Continue ROAD TEST.
No >> GO TO 5
SAT768B
SAT796A
SAT771B

AT-300
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSIS — BASIC INSPECTION
Cruise Test — Part 1
1.CHECKSTARTINGGEAR(D1) POSITION
1. Drive vehicle for approx. 10 minutes to warm engine oil and ATF up to operating
temperature.
2. Park vehicle on flat surface.
3. Set overdrive control switch to “ON” position.
4. Move selector lever to “P” position.
5. Start engine.
6. Move selector lever to “D” position.
7. Accelerate vehicle by constantly depressing accelerator pedal
halfway.
8. Does vehicle start from D
1?
Read gear position.
Ye s o r N o
Yes >>GOTO2
No >> Go To "8. Vehicle Cannot Be Started From D
1”,AT-364,
"8. Vehicle Cannot Be Started From D1". Continue
ROAD TEST. ATF operating temperature : 50 - 80°C (122 - 176°F)
SAT774B
SAT775B
SAT495G

AT-302
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSIS — BASIC INSPECTION
5.CHECK LOCK-UP (D4TO D4L/U)
Does A/T perform lock-up at the specified speed?
Read vehicle speed, throttle position when lock-up duty becomes 94%.
Ye s o r N o
Yes >>GOTO6
No >> Go To "12. A/T Does Not Perform Lock-up”,AT-374, "
12.
A/T Does Not Perform Lock-up".ContinueROAD
TEST.
6.CHECK HOLD LOCK-UP
Does A/T hold lock-up condition for more than 30 seconds?
Ye s o r N o
Yes >>GOTO7
No >> Go To "13. A/T Does Not Hold Lock-up Condition”,AT-375, "
13. A/T Does Not Hold Lock-up Con-
dition".
7.CHECK SHIFT DOWN (D4L/U TO D4)
1. Release accelerator pedal.
2. Is lock-up released when accelerator pedal is released?
Ye s o r N o
Yes >>GOTO8
No >> Go To "14. Lock-up Is Not Released”,AT-376, "
14. Lock-
up Is Not Released". Continue ROAD TEST.
8.CHECK SHIFT DOWN (D4TO D3)
1. Decelerate vehicle by applying foot brake lightly.
2. Does engine speed return to idle smoothly when A/T is shifted from D
4to D3?
Read gear position and engine speed.
Ye s o r N o
Ye s > > 1 . St o p v e h i c l e .
2. Go To “Cruise test — Part 2”,AT-303, "
Cruise Test—
Part 2".
No >> Go To "15. Engine Speed Does Not Return To Idle (Light
Braking D
4®D3)”,AT-377, "15. Engine Speed Does
Not Return To Idle (Light Braking D4®D3)". Continue
ROAD TEST. Specified speed when lock-up occurs:
Refer to Shift schedule, $$$$$.
SAT957I
SAT958I
SAT959I

AT-304
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSIS — BASIC INSPECTION
4.CHECK SHIFT UP (D3TO D4) AND ENGINE BRAKE
Release accelerator pedal after shifting from D
2to D3.
Does A/T shift from D
3to D4and does vehicle decelerate by engine brake?
Read gear position, throttle position and vehicle speed.
Ye s o r N o
Ye s > > 1 . St o p v e h i c l e .
2. Go To “Cruise test — Part 3”, $$$$$.
No >> Go To "11. A/T Does Not Shift: D
3®D4”,AT-371, "11 .
A/T Does Not Shift: D3®D4". Continue ROAD TEST.
SAT405H

AT-306
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSIS — BASIC INSPECTION
2.CHECK ENGINE BRAKE
Does vehicle decelerate by engine brake?
Ye s o r N o
Yes >>GOTO3
No >> Go To "15. Engine Speed Does Not Return To Idle (Light
Braking D
4®D3)”,AT-377, "15. Engine Speed Does
Not Return To Idle (Light Braking D4®D3)". Continue
ROAD TEST.
3.CHECK SHIFT DOWN (D3TO D2)
1. Move selector lever from “D” to “2” position while driving in D
3(O/D OFF).
2. Does A/T shift from D
3(O/D OFF) to 22?
Read gear position.
Ye s o r N o
Yes >>GOTO4
No >> Go To "18. A/T Does Not Shift: D
3®D2, When Selec-
tor Lever “D”®“2” Position”,AT - 3 8 0 , "
18. A/T Does Not
Shift: D3®22, When Selector Lever“D”®“2”Position"
. Continue ROAD TEST.
4.CHECK ENGINE BRAKE
Does vehicle decelerate by engine brake?
Ye s o r N o
Yes >>GOTO5
No >> Go To "15. Engine Speed Does Not Return To Idle (Light
Braking D
4®D3)”,AT-377, "15. Engine Speed Does
Not Return To Idle (Light Braking D4®D3)". Continue
ROAD TEST.
SAT776BA
SAT791GA
SAT791GA

TROUBLE DIAGNOSIS — BASIC INSPECTION
AT-307
[EXC.F/EURO-OBD]
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5.CHECK SHIFT DOWN
1. Move selector lever from “2” to “1” position while driving in 2
2.
2. Does A/T shift from 2
2to 11position?
Read gear position.
Ye s o r N o
Yes >>GOTO6
No >> Go To "19. A/T Does Not Shift: 2
2®11, When Selector
lever “2”®“1” Position”,AT-381, "
19. A/T Does Not
Shift: 22®11, When Selector Lever“2”®“1”Position"
. Continue ROAD TEST.
6.CHECK ENGINE BRAKE
Does vehicle decelerate by engine brake?
Ye s o r N o
Yes >> 1. Stop vehicle.
2. Perform self-diagnosis.
Except for Euro-OBD: Refer toAT-273, "
SELF-DIAG-
NOSTIC PROCEDURE (WITHOUT CONSULT-II)",
EURO-OBD: Refer toAT - 5 1 , "
TCM SELF-DIAGNOS-
TIC PROCEDURE (NO TOOLS)".
No >> Go To "20. Vehicle Does Not Decelerate By Engine
Brake”,AT-381, "
20. Vehicle Does Not Decelerate By
Engine Brake". Continue ROAD TEST.
SAT778B
SAT778B

AT-308
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
PFP:00000
Symptom ChartECS004VV
Numbers are arranged in order of inspection.
Perform inspections starting with number one and work up.
Symptom Condition Diagnostic ItemReference Page
Except for
Euro-OBDEURO-OBD
Engine cannot start in “P” and “N”
positions.
AT-355, "
2. Engine Cannot Be
Sta rte d In“P”and“N”Position"
ON vehicle1. Ignition switch and starterPG-2, "
POWER SUPPLY
ROUTING",SC-21,
"STARTING SYSTEM"
2. Control cable adjustmentAT- 4 5 6 ,"Control
Cable
Adjustment"
¬
3. PNP switch adjustmentAT- 4 5 6 ,
"Park/Neu-
tral Position
(PNP)
Switch
Adjustment"
¬
Engine starts in position other than
“N” and “P” positions.
AT-355, "
2. Engine Cannot Be
Sta rte d In“P”and“N”Position"
ON vehicle1. Control cable adjustmentAT- 4 5 6 ,
"Control
Cable
Adjustment"
¬
2. PNP switch adjustmentAT- 4 5 6 ,
"Park/Neu-
tral Position
(PNP)
Switch
Adjustment"
¬

TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
AT-309
[EXC.F/EURO-OBD]
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Transaxle noise in “P” and “N” posi-
tions.ON vehicle1. Fluid levelAT-286,
"FLUID
LEVEL
CHECK"
¬
2. Line pressure testAT-290,
"Line Pres-
sure Test"
¬
3. Throttle position sensor (Accelerator
pedal position (App) sensor) AjustmentEC-154, "
DTC P0121 APP
SENSOR"
4. Vehicle speed sensor·A/T (Revolution
sensor) and vehicle speed sensor·MTRAT-392,
"VEHICLE
SPEED
SENSOR·A/
T(REVO-
LUTION
SENSOR)",
AT-397,
"DTC VEHI-
CLE
SPEED
SENSOR
MTR"
AT-142,
"DTC P0720
VEHICLE
SPEED
SENSOR·A/
T(REVO-
LUTION
SENSOR)",
AT-222,
"DTC VEHI-
CLE SPEED
SENSOR
MTR"
5. Engine speed signalAT-432,"ENGINE
SPEED
SIGNAL"
AT-147,
"DTC P0725
ENGINE
SPEED
SIGNAL"
OFF vehicle6. Oil pumpAT-485, "
Oil
Pump"¬
7. Torque converterAT-465,
"Locations
of Adjusting
Shims, Nee-
dle Bear-
ings, Thrust
Washers
and Snap
Rings"
¬
Vehicle moves when changing into
“P” position, or parking gear does
not disengage when shifted out of
“P” position.
AT- 3 5 6 , "
3. In“P”Position, Vehicle
Moves Forward Or Backward When
Pushed"
ON vehicle 1. Control cable adjustmentAT-456,"Control
Cable
Adjustment"
¬
OFF vehicle 2. Parking componentsAT-461,
"Compo-
nents",AT-
482,
"REPAIR
FOR COM-
PONENT
PA R T S"
¬ Symptom Condition Diagnostic ItemReference Page
Except for
Euro-OBDEURO-OBD

AT-312
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
Sharp shock in shifting from “N” to
“D” position.ON vehicle1. Engine idling rpmEC-XX, “Idle
Speed and
Ignition Tim-
ing”¬
2. Throttle position sensor Accelerator pedal
position (App) sensor AdjustmentEC-154, "
DTC P0121 APP
SENSOR"
3. Line pressure testAT- 2 9 0 ,"Line Pres-
sure Test"
¬
4. A/T fluid temp sen circ and TCM pow sourAT- 4 2 6 ,
"BATT/
FLUID
TEMP SEN
(A/T FLUID
TEMP SEN-
SOR CIR-
CUIT AND
TCM
POWER
SOURCE)"
AT- 2 1 6 ,
"DTC BATT/
FLUID
TEMP SEN
(A/T FLUID
TEMP SEN-
SOR CIR-
CUIT AND
TCM
POWER
SOURCE)"
5. Engine speed signalAT- 4 3 2 ,"ENGINE
SPEED
SIGNAL"
AT- 1 4 7 ,
"DTC P0725
ENGINE
SPEED
SIGNAL"
6. Line pressure solenoid valveAT- 4 3 6 ,
"LINE
PRES-
SURE
SOLENOID
VA LV E"
AT- 1 8 6 ,
"DTC P0745
LINE PRES-
SURE
SOLENOID
VA LV E"
7. Control valve assemblyAT- 4 5 4 ,
"Control
Va l v e
Assembly
and Accu-
mulators"
¬
8. Accumulator N-DAT- 4 5 4 ,
"Control
Va l v e
Assembly
and Accu-
mulators"
¬
OFF vehicle 9. Forward clutchAT- 5 1 2 ,
"Forward
and Overrun
Clutches"
¬ Symptom Condition Diagnostic ItemReference Page
Except for
Euro-OBDEURO-OBD