Page 257 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual TROUBLE DIAGNOSES FOR SYMPTOMS
AT-251
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
3.CHECK THROTTLE POSITION SENSOR*
*: This sensor means accelerator pedal position (APP) senror.
Check throttle position senso NISSAN X-TRAIL 2003 Electronic Repair Manual TROUBLE DIAGNOSES FOR SYMPTOMS
AT-251
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
3.CHECK THROTTLE POSITION SENSOR*
*: This sensor means accelerator pedal position (APP) senror.
Check throttle position senso](/manual-img/5/57402/w960_57402-256.png)
TROUBLE DIAGNOSES FOR SYMPTOMS
AT-251
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
3.CHECK THROTTLE POSITION SENSOR*
*: This sensor means accelerator pedal position (APP) senror.
Check throttle position sensor. Refer to "EC-´´", “DTC P0121
ACCELERATOR PEDAL POSITION(APP)SENSOR”. —Except for
Euro-OBD/Refer to "EC-´´", “DTC P0121 ACCELERATOR PEDAL
POSITION(APP)SENSOR”. — Euro-OBD
OK or NG
OK >> GOTO4
NG >> Repair or replace throttle position sensor.
4.CHECKA/TFLUIDCONDITION
1. Remove oil pan.
2. Check A/T fluid condition.
OK or NG
OK >> GOTO5
NG >> GOTO7
5.DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer toAT-453, "
Installation".
2. Check the following items:
–Shift valve B
–Overrun clutch control valve
–Shift solenoid valve B
–Pilot valve
–Pilot filter
OK or NG
OK >> GOTO6
NG >> Repair or replace damaged parts.
6.CHECK SYMPTOM
Check again.
OK or NG
OK >>INSPECTION END
NG >> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
PBIB0498E
SAT171B
Page 258 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual AT-252
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
7.DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer toAT-453, "
Installation".
2. Check the following items:
–Shift valve B
–Overr NISSAN X-TRAIL 2003 Electronic Repair Manual AT-252
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
7.DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer toAT-453, "
Installation".
2. Check the following items:
–Shift valve B
–Overr](/manual-img/5/57402/w960_57402-257.png)
AT-252
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
7.DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer toAT-453, "
Installation".
2. Check the following items:
–Shift valve B
–Overrunclutchcontrolvalve
–Shift solenoid valve B
–Pilot valve
–Pilot filter
3. Disassemble A/T.
4. Check the following items:
–Servo piston assembly
–Brake band
–Torque converter
–Oil pump assembly
OK or NG
OK >> GOTO6
NG >> Repair or replace damaged parts.
12. A/T Does Not Perform Lock-upECS004T5
SYMPTOM:
A/T does not perform lock-up at the specified speed.
1.CHECK SELF-DIAGNOSTIC RESULTS
Does self-diagnosis show damage to torque converter clutch sole-
noid valve circuit after cruise test?
Ye s o r N o
Yes >> Check torque converter clutch solenoid valve circuit.
Refer toAT-421, "
TORQUE CONVERTER CLUTCH
SOLENOID VALVE"(Except for Euro-OBD)/AT-181,
"DTC P0740 TORQUE CONVERTER CLUTCH SOLE-
NOID VALVE"(Euro-OBD).
No >> GOTO2
2.CHECK THROTTLE POSITION SENSOR*
*: This sensor means accelerator pedal position (APP) senror.
Check throttle position sensor. Refer to "EC-´´", “DTC P0121
ACCELERATOR PEDAL POSITION(APP)SENSOR”. —Except for
Euro-OBD/Refer to "EC-´´", “DTC P0121 ACCELERATOR PEDAL
POSITION(APP)SENSOR”. — Euro-OBD
OK or NG
OK >> GOTO3
NG >> Repair or replace throttle position sensor.
SCIA0772E
PBIB0498E
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![NISSAN X-TRAIL 2003 Electronic Repair Manual TROUBLE DIAGNOSES FOR SYMPTOMS
AT-253
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
3.DETECT MALFUNCTIONING ITEM
1. Remove control valve. Refer toAT-453, "
Installation".
2. Check following items:
–Torque co NISSAN X-TRAIL 2003 Electronic Repair Manual TROUBLE DIAGNOSES FOR SYMPTOMS
AT-253
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
3.DETECT MALFUNCTIONING ITEM
1. Remove control valve. Refer toAT-453, "
Installation".
2. Check following items:
–Torque co](/manual-img/5/57402/w960_57402-258.png)
TROUBLE DIAGNOSES FOR SYMPTOMS
AT-253
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
3.DETECT MALFUNCTIONING ITEM
1. Remove control valve. Refer toAT-453, "
Installation".
2. Check following items:
–Torque converter clutch control valve
–Torque converter relief valve
–Torque converter clutch solenoid valve
–Pilot valve
–Pilot filter
OK or NG
OK >> GOTO4
NG >> Repair or replace damaged parts.
4.CHECK SYMPTOM
Check again.
OK or NG
OK >>INSPECTION END
NG >> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
13. A/T Does Not Hold Lock-up ConditionECS004T6
SYMPTOM:
A/T does not hold lock-up condition for more than 30 seconds.
1.CHECK DIAGNOSTIC RESULTS
Does self-diagnosis show damage to engine speed signal circuit
after cruise test?
Ye s o r N o
Yes >> Check engine speed signal circuit. Refer toAT-432,
"ENGINE SPEED SIGNAL"(Except for Euro-OBD/AT-
147, "DTC P0725 ENGINE SPEED SIGNAL"(Euro-
OBD).
No >> GOTO2
2.CHECKA/TFLUIDCONDITION
1. Remove oil pan.
2. Check A/T fluid condition.
OK or NG
OK >> GOTO3
NG >> GOTO5
SCIA0773E
SAT171B
Page 260 of 3066
AT-254
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
3.DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer toAT-453, "
Installation".
2. Check the following items:
–Torque converter clutch control valve
–Pilot valve
–Pilot filter
OK or NG
OK >> GOTO4
NG >> Repair or replace damaged parts.
4.CHECK SYMPTOM
Check again.
OK or NG
OK >>INSPECTION END
NG >> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
5.DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer toAT-453, "
Installation".
2. Check the following items:
–Torque converter clutch control valve
–Pilot valve
–Pilot filter
3. Disassemble A/T.
4. Check torque converter and oil pump assembly.
OK or NG
OK >> GOTO4
NG >> Repair or replace damaged parts.
14. Lock-up Is Not ReleasedECS004T7
SYMPTOM:
Page 261 of 3066
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AT-255
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
Lock-up is not released when accelerator pedal is released.
1.CHECK THROTTLE POSITION SENSOR* CIRCUIT
*: This sensor means ac NISSAN X-TRAIL 2003 Electronic Repair Manual TROUBLE DIAGNOSES FOR SYMPTOMS
AT-255
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
Lock-up is not released when accelerator pedal is released.
1.CHECK THROTTLE POSITION SENSOR* CIRCUIT
*: This sensor means ac](/manual-img/5/57402/w960_57402-260.png)
TROUBLE DIAGNOSES FOR SYMPTOMS
AT-255
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
Lock-up is not released when accelerator pedal is released.
1.CHECK THROTTLE POSITION SENSOR* CIRCUIT
*: This sensor means accelerator pedal position (app) senror.
With CONSULT-II
Does “TCM INPUT SIGNALS” in “DATA MONITOR” show damage throttle position sensor circuit?
Without CONSULT-II
Does self-diagnosis show damage to throttle position sensor circuit?
Ye s o r N o
Yes >> Check throttle position sensor circuit. Refer to “21. TCM
Self-diagnosis Does Not Activate (PNP & Overdrive
Control switches, and Throttle Position Sensor )”,AT-
260, "21. TCM Self-diagnosis Does Not Activate (PNP &
Overdrive Control Switches, and Throttle Position Sen-
sor Circuit Checks)".
No >> GOTO2
2.CHECK SYMPTOM
Check again.
OK or NG
OK >>INSPECTION END
NG >> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
15. Engine Speed Does Not Return To Idle (Light Braking D4®D3)ECS004T8
SYMPTOM:
lEngine speed does not smoothly return to idle when A/T shifts from D4to D3.
lVehicle does not decelerate by engine brake when turning overdrive control switch OFF.
lVehicle does not decelerate by engine brake when shifting A/T from “D” to “2” position.
1.CHECK SELF-DIAGNOSTIC RESULTS
Does self-diagnosis show damage to overrun clutch solenoid valve
circuit after cruise test?
Ye s o r N O
Yes >> Check overrun clutch solenoid valve circuit. Refer toAT-
416, "OVERRUN CLUTCH SOLENOID VALVE"
(Except for Euro-OBD)/AT - 2 0 8 , "DTC P1760 OVERRUN
CLUTCH SOLENOID VALVE"(Euro-OBD).
No >> GOTO2
SAT367J
SCIA0774E
Page 262 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual AT-256
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
2.CHECK THROTTLE POSITION SENSOR*
*: This sensor means accelerator pedal position (APP) senror.
Check throttle position sensor. Refer to "EC-´´", “ NISSAN X-TRAIL 2003 Electronic Repair Manual AT-256
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
2.CHECK THROTTLE POSITION SENSOR*
*: This sensor means accelerator pedal position (APP) senror.
Check throttle position sensor. Refer to "EC-´´", “](/manual-img/5/57402/w960_57402-261.png)
AT-256
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
2.CHECK THROTTLE POSITION SENSOR*
*: This sensor means accelerator pedal position (APP) senror.
Check throttle position sensor. Refer to "EC-´´", “DTC P0121
ACCELERATOR PEDAL POSITION(APP)SENSOR”. —Except for
Euro-OBD/Refer to "EC-´´", “DTC P0121 ACCELERATOR PEDAL
POSITION(APP)SENSOR”. — Euro-OBD
OK or NG
OK >> GOTO3
NG >> Repair or replace accelerator pedal position (app) sen-
sor. (AT- 4 0 1 , "
ACCELE RATOR PEDAL POSITION
(APP) SENSOR": Except for Euro-OBD/AT-203, "DTC
P1705 ACCELERATOR PEDAL POSITION (APP) SEN-
SOR": Euro-OBD)
3.CHECK A/T FLUID CONDITION
1. Remove oil pan.
2. Check A/T fluid condition.
OK or NG
OK >> GOTO4
NG >> GOTO6
4.DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer toAT-453, "
Installation".
2. Check the following items:
–Overrunclutchcontrolvalve
–Overrun clutch reducing valve
–Overrun clutch solenoid valve (AT-416, "OVERRUN CLUTCH SOLENOID VALVE": Except for Euro-OBD/
AT-208, "
DTC P1760 OVERRUN CLUTCH SOLENOID VALVE":Euro-OBD)
OK or NG
OK >> GOTO5
NG >> Repair or replace damaged parts.
5.CHECK SYMPTOM
Check again.
OK or NG
OK >>INSPECTION END
NG >> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
PBIB0498E
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AT-257
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
6.DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer toAT-453, "
Installation".
2. Check the following items: NISSAN X-TRAIL 2003 Electronic Repair Manual TROUBLE DIAGNOSES FOR SYMPTOMS
AT-257
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
6.DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer toAT-453, "
Installation".
2. Check the following items:](/manual-img/5/57402/w960_57402-262.png)
TROUBLE DIAGNOSES FOR SYMPTOMS
AT-257
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
6.DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer toAT-453, "
Installation".
2. Check the following items:
–Overrun clutch control valve
–Overrun clutch reducing valve
–Overrun clutch solenoid valve (AT - 4 1 6 , "OVERRUN CLUTCH SOLENOID VALVE": Except for Euro-OBD/
AT-208, "
DTC P1760 OVERRUN CLUTCH SOLENOID VALVE": Euro-OBD)
3. Disassemble A/T.
4. Check the following items:
–Overrunclutchassembly
–Oil pump assembly
OK or NG
OK >> GOTO5
NG >> Repair or replace damaged parts.
16. Vehicle Does Not Start From D1ECS004T9
SYMPTOM:
Vehicle does not start from D
1on Cruise test — Part 2.
1.CHECK SELF-DIAGNOSTIC RESULTS
Does self-diagnosis show damage to vehicle speed sensor·A/T (rev-
olution sensor), shift solenoid valve A, B or vehicle speed sen-
sor·MTR after cruise test?
Ye s o r N o
Ye s > >lCheck damaged circuit. Refer to the following items.
Except for Euro-OBD
–VEHICLE SPEED SENSOR·A/T (REVOLUTION
SENSOR):AT - 3 9 2 , "
VEHICLE SPEED SENSOR·A/T
(REVOLUTION SENSOR)"
–SHIFT SOLENOID VALVE A:AT- 4 0 6 , "SHIFT SOLE-
NOID VALVE A"
–SHIFT SOLENOID VALVE B:AT- 4 11 , "SHIFT SOLENOID VALVE B"
–VHCL SPEED SEN·MTR VEHICLE SPEED SENSOR·MTR:AT-397, "DTC VEHICLE SPEED
SENSOR MTR"
Euro-OBD
–VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR):AT-142, "DTC P0720 VEHICLE
SPEED SENSOR·A/T (REVOLUTION SENSOR)"
–SHIFT SOLENOID VALVE A:AT-193, "DTC P0750 SHIFT SOLENOID VALVE A"
–SHIFT SOLENOID VALVE B:AT-198, "DTC P0755 SHIFT SOLENOID VALVE B"
–VHCL SPEED SEN·MTR VEHICLE SPEED SENSOR·MTR:AT-222, "DTC VEHICLE SPEED
SENSOR MTR"
No >> GOTO2
2.CHECK SYMPTOM
Check again.
OK or NG
OK >> Go to 8. Vehicle Cannot Be Started From D1,AT-242, "8. Vehicle Cannot Be Started From D1".
NG >> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
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![NISSAN X-TRAIL 2003 Electronic Repair Manual AT-258
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
17. A/T Does Not Shift: D
4®D3, When Overdrive Control Switch “ON”®
“OFF”
ECS004TA
SYMPTOM:
A/T does not shift from D
4to D3when changing ove NISSAN X-TRAIL 2003 Electronic Repair Manual AT-258
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
17. A/T Does Not Shift: D
4®D3, When Overdrive Control Switch “ON”®
“OFF”
ECS004TA
SYMPTOM:
A/T does not shift from D
4to D3when changing ove](/manual-img/5/57402/w960_57402-263.png)
AT-258
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
17. A/T Does Not Shift: D
4®D3, When Overdrive Control Switch “ON”®
“OFF”
ECS004TA
SYMPTOM:
A/T does not shift from D
4to D3when changing overdrive control switch to “OFF” position.
1.CHECK OVERDRIVE CONTROL SWITCH CIRCUIT
With CONSULT-II
Does “TCM INPUT SIGNALS” in “DATA MONITOR” show damage to overdrive control switch circuit?
Without CONSULT-II
Does self-diagnosis show damage to overdrive control switch cir-
cuit?
Ye s o r N o
Yes >> Check overdrive control switch circuit. Refer toAT-261,
"DIAGNOSTIC PROCEDURE".
No >> Go to 10. A/T Does Not Shift: D
2®D3,AT-246, "10. A/
T Does Not Shift: D2®D3".
18. A/T Does Not Shift: D3®22, When Selector Lever “D”®“2” PositionECS004TB
SYMPTOM:
A/T does not shift from D
3to 22when changing selector lever from “D” to “2” position.
1.CHECK PNP SWITCH CIRCUIT
With CONSULT-II
Does “TCM INPUT SIGNALS” in “DATA MONITOR” show damage to PNP switch circuit?
Without CONSULT-II
Does self-diagnosis show damage to PNP switch circuit?
Ye s o r N o
Yes >> Check PNP switch circuit. Refer toAT-260, "21. TCM
Self-diagnosis Does Not Activate (PNP & Overdrive
Control Switches, and Throttle Position Sensor Circuit
Checks)".
No >> Go to 9. A/T Does Not Shift: D
1®D2or Does Not
Kickdown: D
4®D2,AT-244, "9. A/T Does Not Shift: D1
®D2Or Does Not Kickdown: D4®D2".
SCIA0706E
SCIA0706E