2003 NISSAN X-TRAIL engine

AT-82
[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-249, "11 .
A/T Does Not Shift: D3®D4". Continue ROAD TEST.
SAT405H

AT-84
[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-255, "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 - 2 5 8 , "
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-255, "15. Engine Speed Does
Not Return To Idle (Light Braking D4®D3)". Continue
ROAD TEST.
SAT776BA
SAT791GA
SAT791GA

TROUBLE DIAGNOSIS — BASIC INSPECTION
AT-85
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
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-259, "
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-259, "
20. Vehicle Does Not Decelerate By
Engine Brake". Continue ROAD TEST.
SAT778B
SAT778B

AT-86
[EURO-OBD]
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
PFP:00000
Symptom ChartECS004QU
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-233, "
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-233, "
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-87
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
Transaxle noise in “P” and “N” posi-
tions.ON vehicle1. Fluid levelAT-64,
"FLUID
LEVEL
CHECK"
¬
2. Line pressure testAT-68, "
Line
Pressure
Te s t"
¬
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- 2 3 4 , "
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-90
[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- 6 8 , "
Line
Pressure
Te s t"
¬
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

AT-94
[EURO-OBD]
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
Excessive creep. ON vehicle 1. Engine idling rpm"EC-XX",
“Idle Speed
and Ignition
Timing”¬
No creep at all.
AT-237, "
6. Vehicle Does Not Creep
Backward In“R”Position"andAT-
240, "7. Vehicle Does Not Creep
Forward In“D”,“2”Or“1”Position"
ON vehicle1. Fluid levelAT- 6 4 ,
"FLUID
LEVEL
CHECK"
¬
2. Line pressure testAT- 4 3 6 ,
"LINE
PRES-
SURE
SOLENOID
VA LV E"
¬
3. Control valve assemblyAT- 4 5 4 ,
"Control
Va l v e
Assembly
and Accu-
mulators"
¬
OFF vehicle4. Forward clutchAT- 5 1 2 ,
"Forward
and Overrun
Clutches"
¬
5. Oil pumpAT- 4 8 5 , "
Oil
Pump"¬
6. Torque converterAT- 4 6 5 ,
"Locations
of Adjusting
Shims, Nee-
dle Bear-
ings, Thrust
Washers
and Snap
Rings"
¬ Symptom Condition Diagnostic ItemReference Page
Except for
Euro-OBDEURO-OBD

TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
AT-99
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
Engine stops when shifting lever
into “R”, “D”, “2” and “1”.ON vehicle1. Engine idling rpm"EC-XX",
“Idle Speed
and Ignition
Timin g”¬
2. Torque converter clutch solenoid valveAT-421,
"TORQUE
CON-
VERTER
CLUTCH
SOLENOID
VA LV E"
AT-181,
"DTC P0740
TORQUE
CON-
VERTER
CLUTCH
SOLENOID
VA LV E"
3. Control valve assemblyAT-454,
"Control
Va lv e
Assembly
and Accu-
mulators"
¬
OFF vehicle 4. Torque converterAT-465,
"Locations
of Adjusting
Shims, Nee-
dle Bear-
ings, Thrust
Washers
and Snap
Rings"
¬ Symptom Condition Diagnostic ItemReference Page
Except for
Euro-OBDEURO-OBD