2003 NISSAN X-TRAIL engine

TROUBLE DIAGNOSIS — BASIC INSPECTION
AT-267
[EXC.F/EURO-OBD]
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3. Turn ignition switch ON. (Do not start engine.)
4. Touch “START (NISSAN BASED VHCL)”.
5. Touch “A/T”.
If “A/T” is not indicated, go to GI-35, "
CONSULT-II Data Link
Connector (DLC) Circuit" .
6. Touch “DATA MONITOR”.
7. Touch “MAIN SIGNALS” or “TCM INPUT SIGNALS”.
8. Select “Numerical Display”, “Barchart Display” or “Line Graph
Display”.
SAIA0450E
SAT014K
SCIA5358E
SAT175K

AT-270
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSIS — BASIC INSPECTION

Cruise Test — Part 1
1. CHECK STARTING GEAR (D1 ) POSITION
1. Drive vehicle for approximately 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.
Read gear position. Refer to AT- 2 4 4 , "
DATA MONITOR
MODE (A/T)" .
Does vehicle start from D
1 ?
YES >> GO TO 2.
NO >>

Mark the box on the DIAGNOSTIC WORKSHEET.

GO TO AT- 3 0 1 , "Vehicle Cannot Be Started From D1"
.

Continue “Road Test”. ATF operating temperature: 50 - 80°C (122 - 176°F)
SAT774B
SAT775B
SAT495G

AT-272
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSIS — BASIC INSPECTION

5. CHECK LOCK-UP (D4 TO D4 L/U)
Check lock-up (D
4 to D4 L/U).
Specified speed when lock-up occurs. Refer to AT- 5 3 0 , "
VEHICLE SPEED WHEN PERFORMING LOCK-UP"
.
Read vehicle speed, throttle opening when lock-up duty
becomes 94%. Refer to AT- 2 4 4 , "
DATA MONITOR MODE (A/T)" .
Does A/T perform lock-up at the specified speed?
YES >> GO TO 6.
NO >>

Mark the box on the DIAGNOSTIC WORKSHEET.

GO TO AT- 3 11 , "A/T Does Not Perform Lock-up" .

Continue “Road Test”.
6. CHECK HOLD LOCK-UP
Continue Road Test.
When lock-up duty becomes 94%. Refer to AT- 2 4 4 , "
DATA MONITOR MODE (A/T)" .
Does A/T hold lock-up condition for more than 30 seconds?
YES >> GO TO 7.
NO >>

Mark the box on the DIAGNOSTIC WORKSHEET.

GO TO AT- 3 1 2 , "A/T Does Not Hold Lock-up Condition" .

Continue “Road Test”.
7. CHECK SHIFT DOWN (D4 L/U TO D4 )
Release accelerator pedal.
When lock-up duty becomes 4%. Refer to AT- 2 4 4 , "
DATA
MONITOR MODE (A/T)" .
Is lock-up released when accelerator pedal is released?
YES >> GO TO 8.
NO >>

Mark the box on the DIAGNOSTIC WORKSHEET.

GO TO AT- 3 1 4 , "Lock-up Is Not Released" .

Continue “Road Test”.
8. CHECK SHIFT DOWN (D4 TO D3 )
Decelerate vehicle by applying foot brake lightly.
Read gear position and engine speed. Refer to AT- 2 4 4 ,
"DATA MONITOR MODE (A/T)" .
Does engine speed return to idle smoothly when A/T is shifted from
D4 to D3 ?
YES >> 1. Stop vehicle.
2. GO TO AT- 2 7 3 , "
Cruise Test — Part 2" .
NO >>

Mark the box on the DIAGNOSTIC WORKSHEET.

GO TO AT- 3 1 5 , "Engine Speed Does Not Return To
Idle (Light Braking D4 → D3 )" .

Continue “Road Test”.
SAT957I
SAT958I
SAT959I

AT-274
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSIS — BASIC INSPECTION

4. CHECK SHIFT UP (D3 TO D4 ) AND ENGINE BRAKE
Release accelerator pedal after shifting from D
2 to D3 .
Read gear position, throttle position and vehicle speed.
Refer to AT- 2 4 4 , "
DATA MONITOR MODE (A/T)" .
Does A/T shift from D
3 to D4 and does vehicle decelerate by engine
brake?
YES >> 1. Stop vehicle.
2. GO TO AT- 2 7 5 , "
Cruise Test — Part 3" .
NO >>

Mark the box on the DIAGNOSTIC WORKSHEET.

GO TO AT- 3 0 9 , "A/T Does Not Shift: D3 → D4" .

Continue “Road Test”.SAT405H

TROUBLE DIAGNOSIS — BASIC INSPECTION
AT-275
[EXC.F/EURO-OBD]
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Cruise Test — Part 3
1. CHECK SHIFT DOWN (D4 TO D3 )
1. Confirm overdrive control switch is in ON.
2. Confirm selector lever is in D position.
3. Accelerate vehicle using half-throttle to D
4 .
4. Release accelerator pedal.
5. Set overdrive control switch to OFF while driving in D
4 .
Read gear position and vehicle speed. Refer to AT- 2 4 4 ,
"DATA MONITOR MODE (A/T)" .
Does A/T shift from D
4 to D3 (O/D OFF)?
YES >> GO TO 2.
NO >>

Mark the box on the DIAGNOSTIC WORKSHEET.

GO TO AT- 3 1 8 , "A/T Does Not Shift: D4 → D3 , When
Overdrive Control Switch “ON” → “OFF”" .

Continue “Road Test”.
2. CHECK ENGINE BRAKE
Check engine brake.
Does vehicle decelerate by engine brake?
YES >> GO TO 3.
NO >>

Mark the box on the DIAGNOSTIC WORKSHEET.

GO TO AT- 3 2 2 , "Vehicle Does Not Decelerate By
Engine Brake" .

Continue “Road Test”.
SAT812A
SAT813A
SAT776BA
SAT776BA

AT-276
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSIS — BASIC INSPECTION

3. CHECK SHIFT DOWN (D3 TO 22 )
Move selector lever from D to 2 position while driving in D
3 (O/D OFF).
Read gear position. Refer to AT- 2 4 4 , "
DATA MONITOR MODE
(A/T)" .
Does A/T shift from D
3 (O/D OFF) to 22 ?
YES >> GO TO 4.
NO >>

Mark the box on the DIAGNOSTIC WORKSHEET.

GO TO AT- 3 1 9 , "A/T Does Not Shift: D3 → 22 , When
Selector Lever “D” → “2” Position" .

Continue “Road Test”.
4. CHECK ENGINE BRAKE
Check engine brake.
Does vehicle decelerate by engine brake?
YES >> GO TO 5.
NO >>

Mark the box on the DIAGNOSTIC WORKSHEET.

GO TO AT- 3 2 2 , "Vehicle Does Not Decelerate By
Engine Brake" .

Continue “Road Test”.
5. CHECK SHIFT DOWN
Move selector lever from 2 to 1 position while driving in 2
2 .
Read gear position. Refer to AT- 2 4 4 , "
DATA MONITOR MODE
(A/T)" .
Does A/T shift from 2
2 to 11 position?
YES >> GO TO 6.
NO >>

Mark the box on the DIAGNOSTIC WORKSHEET.

GO TO AT- 3 2 0 , "A/T Does Not Shift: 22 → 11 , When
Selector Lever “2” → “1” Position" .

Continue “Road Test”.
6. CHECK ENGINE BRAKE
Check engine brake.
Does vehicle decelerate by engine brake?
YES >> 1. Stop vehicle.
2. Perform self-diagnosis.
Except for Euro-OBD: Refer to AT- 2 4 6 , "
SELF-DIAG-
NOSTIC PROCEDURE (WITHOUT CONSULT-II)" ,
NO >>

Mark the box on the DIAGNOSTIC WORKSHEET.

GO TO AT- 3 2 2 , "Vehicle Does Not Decelerate By
Engine Brake" .

St op Roa d Te st .
SAT791GA
SAT791GA
SAT778B
SAT778B

TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
AT-277
[EXC.F/EURO-OBD]
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TROUBLE DIAGNOSIS — GENERAL DESCRIPTIONPFP:00000
Symptom ChartECS004VV
Numbers are arranged in order of inspection.
Perform inspections starting with number one and work up.
Symptom Condition Diagnostic Item Reference Page
Engine cannot start in “P” and “N”
positions.
AT- 2 9 3
ON vehicle1. Ignition switch and starterPG-2
,
SC-21

2. Control cable adjustmentAT- 4 0 9
3. PNP switchAT- 3 2 4
Engine starts in position other than
“N” and “P” positions.
AT- 2 9 3
ON vehicle1. Control cable adjustmentAT- 4 0 92. PNP switchAT- 3 2 4
Transaxle noise in “P” and “N” posi-
tions.ON vehicle1. Fluid levelAT- 2 5 6
2. Line pressure testAT- 2 6 0
3. Accelerator pedal position (APP) sensorAT- 3 4 5
4. Vehicle speed sensor·A/T (Revolution
sensor) and vehicle speed sensor·MTRAT- 3 3 2,
AT- 3 3 9
OFF vehicle5. Oil pumpAT- 4 4 36. Torque converterAT- 4 2 3
Vehicle moves when changing into “P”
position, or parking gear does not dis-
engage when shifted out of “P” posi-
tion.
AT- 2 9 4ON vehicle 1. Control cable adjustmentAT- 4 0 9
OFF vehicle 2. Parking componentsAT- 4 1 6,
AT- 4 4 0
Vehicle runs in “N” position.
AT- 2 9 5
ON vehicle 1. Control cable adjustmentAT- 4 0 9
OFF vehicle2. Forward clutchAT- 4 7 53. Reverse clutchAT- 4 6 4
4. Overrun clutchAT- 4 7 5
Vehicle will not run in “R” position (but
runs in “D”, “2” and “1” positions).
Clutch slips.
Very poor acceleration.
AT- 2 9 7
ON vehicle1. Control cable adjustmentAT- 4 0 9
2. Stall testAT- 2 5 7
3. Line pressure testAT- 2 6 0
4. Line pressure solenoid valveAT- 3 8 7
5. Control valve assemblyAT- 4 0 4
Vehicle will not run in “R” position (but
runs in “D”, “2” and “1” positions).
Clutch slips.
Very poor acceleration.
AT- 2 9 7
OFF vehicle6. Reverse clutchAT- 4 6 4
7. High clutchAT- 4 6 9
8. Forward clutchAT- 4 7 5
9. Overrun clutchAT- 4 7 5
10. Low & reverse brakeAT- 4 8 3
Vehicle braked when shifting into “R”
position.ON vehicle1. Fluid levelAT- 2 5 6
2. Line pressure testAT- 2 6 0
3. Line pressure solenoid valveAT- 3 8 7
4. Control valve assemblyAT- 4 0 4
OFF vehicle5. High clutchAT- 4 6 96. Brake bandAT- 4 9 7
7. Forward clutchAT- 4 7 5
8. Overrun clutchAT- 4 7 5

AT-278
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION

Sharp shock in shifting from “N” to “D”
position.ON vehicle1. Engine idling rpmEC-506
2. Accelerator pedal position (APP) sensorAT-345
3. Line pressure testAT-260
4. A/T fluid temp sen circ and TCM pow
sourAT-374
5. Engine speed signalAT-382
6. Line pressure solenoid valveAT-387
7. Control valve assemblyAT-404
8. Accumulator N-DAT-404
OFF vehicle 9. Forward clutchAT-475
Vehicle will not run in “D” and “2” posi-
tions (but runs in “1” and “R” posi-
tions).ON vehicle 1. Control cable adjustmentAT-409
OFF vehicle 2. Low one-way clutchAT-416,
AT-423
Vehicle will not run in “D”, “1”, “2” posi-
tions (but runs in “R” position). Clutch
slips. Very poor acceleration.
AT- 2 9 9
ON vehicle1. Fluid levelAT-256
2. Stall testAT-257
3. Line pressure testAT-260
4. Line pressure solenoid valveAT-387
5. Control valve assemblyAT-404
6. Accumulator N-DAT-404
Vehicle will not run in “D”, “1”, “2” posi-
tions (but runs in “R” position). Clutch
slips. Very poor acceleration.
AT- 2 9 9
OFF vehicle7. Reverse clutch AT-464
8. High clutchAT-469
9. Forward clutchAT-475
10. Forward one-way clutchAT-416
11. Low one-way clutchAT-416,
AT-423
Clutches or brakes slip somewhat in
starting.ON vehicle1. Fluid levelAT-256
2. Control cable adjustmentAT-409
3. Accelerator pedal position (APP) sensorAT-345
4. Line pressure testAT-260
5. Line pressure solenoid valveAT-387
6. Control valve assemblyAT-404
7. Accumulator N-DAT-404
8. Shift solenoid valve AAT-350
9. Shift solenoid valve BAT-356
10. Overrun clutch solenoid valveAT-362
11. Torque converter clutch solenoid valveAT-368
OFF vehicle12. Forward clutchAT-475
13. Reverse clutchAT-464
14. Low & reverse brakeAT-483
15. Oil pumpAT-443
16. Torque converterAT-423
Excessive creep. ON vehicle 1. Engine idling rpmEC-506
Symptom Condition Diagnostic Item Reference Page