2005 NISSAN X-TRAIL torque

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
AT-249
[EXC.F/EURO-OBD]
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6th judgement flicker is longer than others.
Overrun clutch solenoid valve circuit is short-circuited or discon-
nected.

Go to OVERRUN CLUTCH SOLENOID VALVE.
Refer to AT- 3 6 27th judgement flicker is longer than others.
Torque converter clutch solenoid valve circuit is short-circuited or
disconnected.

Go to TORQUE CONVERTER CLUTCH SOLENOID VALVE.
Refer to AT-368
8th judgement flicker is longer than others.
A/T fluid temperature sensor is disconnected or TCM power
source circuit is damaged.

Go to BATT/FLUID TEMP SEN(A/T FLUID TEMP SENSOR
CIRCUIT AND TCM POWER SOURCE).
Refer to AT- 3 7 49th judgement flicker is longer than others.
Engine speed signal circuit is short-circuited or disconnected.

Go to ENGINE SPEED SIGNAL.
Refer to AT-382
O/D OFF indicator lamp:
SCIA5596ESCIA5597E
SCIA5598ESCIA5599E

TROUBLE DIAGNOSIS — INTRODUCTION
AT-253
[EXC.F/EURO-OBD]
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Diagnostic Worksheet
1.❏ Read the Fail-safe and listen to customer complaints.AT- 11,
AT- 2 5 2
2.❏ Check A/T fluidAT- 2 5 6
❏ Leakage (Follow specified procedure)
❏ Fluid condition
❏ Fluid level
3.❏ Perform Stall Test and Line Pressure Test.AT- 2 5 7
,
AT- 2 6 0
❏ Stall test — Mark possible damaged components/others.
❏ Torque converter one-way clutch
❏ Reverse clutch
❏ Forward clutch
❏ Overrun clutch
❏ Forward one-way clutch❏ Low & reverse brake
❏ Low one-way clutch
❏ Engine
❏ Line pressure is low
❏ Clutches and brakes except high clutch and
brake band are OK
❏ Line Pressure test — Suspected parts:
4.❏ Perform all Road Test and mark required procedures.AT- 2 6 2
4-1. Check before engine is started.AT- 2 6 3
❏ O/D OFF Indicator Lamp Does Not Come On, AT- 2 9 1 .
❏ SELF-DIAGNOSTIC CONFIRMATION PROCEDURE — Mark detected items.
❏ Vehicle speed sensor·A/T (Revolution sensor), AT- 3 3 2
.
❏ Vehicle speed sensor·MTR, AT-339
.
❏ Accelerator pedal position (APP) sensor, AT-345
.
❏ Shift solenoid valve A, AT- 3 5 0
.
❏ Shift solenoid valve B, AT- 3 5 6
.
❏ Overrun clutch solenoid valve, AT- 3 6 2
.
❏ Torque converter clutch solenoid valve, AT-368
.
❏ A/T fluid temperature sensor and TCM power source, AT-374
.
❏ Engine speed signal, AT- 3 8 2
.
❏ Line pressure solenoid valve, AT-387
.
❏ CAN communication line, AT- 3 2 9
.
❏ Control unit (RAM), control unit (ROM), AT-198
.
❏ Control unit (EEP ROM), AT-200
.
❏ PNP & overdrive control switches, and throttle position sensor, AT- 3 2 4
.
❏ Battery
❏ Others
4-2. Check at idleAT- 2 6 4
❏ Engine Cannot Be Started In “P” And “N” Position, AT- 2 9 3 .
❏ In “P” Position, Vehicle Moves Forward Or Backward When Pushed, AT- 2 9 4
.
❏ In “N” Position, Vehicle Moves, AT- 2 9 5
.
❏ Large Shock. “N” → “R” Position, AT- 2 9 6
.
❏ Vehicle Does Not Creep Backward In “R” Position, AT- 2 9 7
.
❏ Vehicle Does Not Creep Forward In “D”, “2” Or “1” Position, AT-299
.

AT-254
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSIS — INTRODUCTION

4. 4-3. Cruise testAT-266,
AT-270
Part-1
❏ Vehicle Cannot Be Started From D
1 , AT- 3 0 1 .
❏ A/T Does Not Shift: D
1 → D2 Or Does Not Kickdown: D4 → D2 , AT-304 .
❏ A/T Does Not Shift: D
2 → D3 , AT- 3 0 7 .
❏ A/T Does Not Shift: D
3 → D4 , AT- 3 0 9 .
❏ A/T Does Not Perform Lock-up,AT- 3 11
.
❏ A/T Does Not Hold Lock-up Condition, AT- 3 1 2
.
❏ Lock-up Is Not Released, AT- 3 1 4
.
❏ Engine Speed Does Not Return To Idle (Light Braking D
4 → D3 ), AT-315 .
Part-2AT-273
❏ Vehicle Does Not Start From D1 , AT- 3 1 7 .
❏ A/T Does Not Shift: D
1 → D2 Or Does Not Kickdown: D4 → D2 , AT-304 .
❏ A/T Does Not Shift: D
2 → D3 , AT- 3 0 7 .
❏ A/T Does Not Shift: D
3 → D4 , AT- 3 0 9 .
Part-3AT-275
❏ A/T Does Not Shift: D4 → D3 When Overdrive Control Switch “ON” → “OFF”, AT-318 .
❏ Engine Speed Does Not Return To Idle (Engine Brake In D
3 ), AT- 3 1 5 .
❏ A/T Does Not Shift: D
3 → 22 , When Selector Lever “D” → “2” Position, AT- 3 1 9 .
❏ Engine Speed Does Not Return To Idle (Engine Brake In 2
2 ),AT-315 .
❏ A/T Does Not Shift: 2
2 → 11 , When Selector Lever “2” → “1” Position, AT-320 .
❏ Vehicle Does Not Decelerate By Engine Brake, AT- 3 2 2
.
❏ TCM Self-diagnosis Does Not Activate (PNP & Overdrive Control Switches, and throttle position sensor
Circuit Checks), AT-324
.
❏ SELF-DIAGNOSTIC PROCEDURE — Mark detected items.
❏ Vehicle speed sensor·A/T (Revolution sensor), AT-332
.
❏ Vehicle speed sensor·MTR, AT- 3 3 9
.
❏ Accelerator pedal position (APP) sensor, AT-345
.
❏ Shift solenoid valve A, AT-350
.
❏ Shift solenoid valve B, AT-356
.
❏ Overrun clutch solenoid valve, AT-362
.
❏ Torque converter clutch solenoid valve, AT- 3 6 8
.
❏ Batt/fluid temp sen (A/T fluid temperature sensor and TCM power source), AT-374
.
❏ Engine speed signal, AT-382
.
❏ Line pressure solenoid valve, AT-387
.
❏ CAN communication line, AT-329
.
❏ Control unit (RAM), control unit (ROM), AT- 1 9 8
.
❏ Control unit (EEP ROM), AT- 2 0 0
.
❏ PNP & overdrive control switches, and throttle position sensor, AT- 3 2 4
.
❏ Battery
❏ Others
5.❏ For self-diagnosis NG items, inspect each component. Repair or replace the damaged parts.AT-246
6.❏ Perform all Road Test and re-mark required procedures.AT-262
7.❏ Perform the Diagnostic Procedures for all remaining items marked NG. Repair or replace the damaged parts.
Refer to the Symptom Chart when you perform the procedures. (The chart also shows some other possible
symptoms and the component inspection orders.)AT-277
8.❏ Erase self-diagnosis code from TCM memories.AT-245, AT-
250

AT-258
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSIS — BASIC INSPECTION

JUDGEMENT OF STALL TEST
The test result and possible damaged components relating to each result are shown in the illustrations on next
page.
In order to pinpoint the possible damaged components, follow the WORK FLOW shown in AT- 2 5 5 , "
Work
Flow" (EXCEPT FOR EURO-OBD).
NOTE:
Stall revolution is too high in D, 2 or 1 position:

Slippage occurs in 1st gear but not in 2nd and 3rd gears...... Low one-way clutch slippage

Slippage occurs in the following gears:
1st through 3rd gears in D position and engine brake functions with overdrive control switch set to OFF.
1st and 2nd gears in 2 position and engine brake functions with accelerator pedal released (fully closed
throttle)...... Forward clutch or forward one-way clutch slippage
Stall revolution is too high in R position:

Engine brake does not function in 1 position...... Low & reverse brake slippage

Engine brake functions in 1 position...... Reverse clutch slippage
Stall revolution within specifications:

Vehicle does not achieve speed of more than 80 km/h (50 MPH)...... One-way clutch seizure in torque
converter housing
CAUTION:
Be careful since automatic fluid temperature increases abnormally.

Slippage occurs in 3rd and 4th gears in D position...... High clutch slippage

Slippage occurs in 2nd and 4th gear in D position...... Brake band slippage

Engine brake does not function in 2nd and 3rd gears in D position, 2nd gear in 2 position, and 1st gear in
1 position with overdrive control switch set to OFF...... Overrun clutch slippage
Stall revolution less than specifications:

Poor acceleration during starts...... One-way clutch slippage in torque converter

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-23

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-558
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-558
Symptom Condition Diagnostic Item Reference Page

TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
AT-279
[EXC.F/EURO-OBD]
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No creep at all.
AT- 2 9 7
and AT-299
ON vehicle1. Fluid levelAT- 2 5 62. Line pressure testAT- 3 8 7
3. Control valve assemblyAT- 4 0 4
OFF vehicle4. Forward clutchAT- 4 7 55. Oil pumpAT- 4 4 3
6. Torque converterAT- 4 2 3
Failure to change gear from “D1 ” to
“D
2 ”.ON vehicle1. Control cable adjustmentAT- 4 0 9
2. Shift solenoid valve AAT- 3 5 0
3. Control valve assemblyAT- 4 0 4
4. Vehicle speed sensor·A/T (Revolution
sensor) and vehicle speed sensor·MTRAT- 3 3 2, AT-339
5. Accelerator pedal position (APP) sensorAT- 3 4 5
OFF vehicle 6. Brake bandAT- 4 9 7
Failure to change gear from “D2 ” to
“D
3 ”.ON vehicle1. Control cable adjustmentAT- 4 0 9
2. Shift solenoid valve BAT- 3 5 6
3. Control valve assemblyAT- 4 0 4
4. Vehicle speed sensor·A/T (Revolution
sensor) and vehicle speed sensor·MTRAT- 3 3 2, AT-339
5. Accelerator pedal position (APP) sensorAT- 3 4 5
OFF vehicle6. High clutchAT- 4 6 97. Brake bandAT- 4 9 7
Failure to change gear from “D3 ” to
“D
4 ”.ON vehicle1. PNP switchAT- 3 2 4
2. Overrun clutch solenoid valveAT- 3 6 2
3. Shift solenoid valve AAT- 3 5 0
4. Vehicle speed sensor·A/T (Revolution
sensor) and vehicle speed sensor·MTRAT- 3 3 2, AT-339
5. A/T fluid temp sen circ and TCM pow
sourAT- 3 7 4
OFF vehicle 6. Brake bandAT- 4 9 7
Too high a gear change point from “D1
” to “D
2 ”, from “D2 ” to “D3 ”, from “D3
” to “D
4 ”.
AT- 3 0 4
and AT-309
ON vehicle1. Accelerator pedal position (APP) sensorAT- 3 4 5
2. Vehicle speed sensor·A/T (Revolution
sensor) and vehicle speed sensor·MTRAT- 3 3 2, AT-339
3. Shift solenoid valve AAT- 3 5 0
4. Shift solenoid valve BAT- 3 5 6
Gear change directly from “D1 ” to “D3
” occurs.ON vehicle1. Fluid levelAT- 2 5 62. Accumulator servo releaseAT- 4 0 4
OFF vehicle 3. Brake bandAT- 4 9 7
Engine stops when shifting lever into
“R”, “D”, “2” and “1”.ON vehicle1. Engine idling rpmEC-558
2. Fluid levelAT- 2 5 6
3. Torque converter clutch solenoid valveAT- 3 6 8
4. Control valve assemblyAT- 4 0 4
OFF vehicle 5. Torque converterAT- 4 2 3
Symptom Condition Diagnostic Item Reference Page

TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
AT-281
[EXC.F/EURO-OBD]
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Vehicle braked by gear change from
“D
2 ” to “D3 ”.ON vehicle 1. Fluid levelAT- 2 5 6OFF vehicle 2. Brake bandAT- 4 9 7
Vehicle braked by gear change from
“D
3 ” to “D4 ”.ON vehicle 1. Fluid levelAT- 2 5 6OFF vehicle2. Overrun clutchAT- 3 6 23. Forward one-way clutchAT- 4 1 6
4. Reverse clutchAT- 4 6 4
Maximum speed not attained. Accel-
eration poor.ON vehicle1. Fluid levelAT- 2 5 6
2. PNP switchAT- 3 2 4
3. Overdrive control switchAT- 3 2 4
4. Accelerator pedal position (APP) sensorAT- 3 4 5
5. Shift solenoid valve AAT- 3 5 0
6. Shift solenoid valve BAT- 3 5 6
7. Control valve assemblyAT- 4 0 4
OFF vehicle8. Reverse clutchAT- 4 6 4
9. High clutchAT- 4 6 9
10. Brake bandAT- 4 9 7
11. Low & reverse brakeAT- 4 8 3
12. Oil pumpAT- 4 4 3
13. Torque converterAT- 4 2 3
Failure to change gear from “D4 ” to
“D
3 ”.ON vehicle1. Fluid levelAT- 2 5 6
2. Accelerator pedal position (APP) sensorAT- 3 4 5
3. Overrun clutch solenoid valveAT- 3 6 2
4. Shift solenoid valve AAT- 3 5 0
5. Line pressure solenoid valveAT- 3 8 7
6. Control valve assemblyAT- 4 0 4
OFF vehicle7. Brake bandAT- 4 9 78. Overrun clutchAT- 4 7 5
Failure to change gear from “D3 ” to
“D
2 ” or from “D4 ” to “D2 ”.ON vehicle1. Fluid levelAT- 2 5 6
2. Accelerator pedal position (APP) sensorAT- 3 4 5
3. Shift solenoid valve AAT- 3 5 0
4. Shift solenoid valve BAT- 3 5 6
5. Control valve assemblyAT- 4 0 4
OFF vehicle6. High clutchAT- 4 6 97. Brake bandAT- 4 9 7
Failure to change gear from “D2 ” to
“D
1 ” or from “D3 ” to “D1 ”.ON vehicle1. Fluid levelAT- 2 5 6
2. Accelerator pedal position (APP) sensorAT- 3 4 5
3. Shift solenoid valve AAT- 3 5 0
4. Shift solenoid valve BAT- 3 5 6
5. Control valve assemblyAT- 4 0 4
OFF vehicle6. Low one-way clutchAT- 4 1 6
,
AT- 4 2 3
7. High clutchAT- 4 6 9
8. Brake bandAT- 4 9 7
Symptom Condition Diagnostic Item Reference Page