NISSAN X-TRAIL 2003 Electronic Repair Manual

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-245
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
3.CHECK VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR) AND CHECK VEHICLE SPEED
SENSOR·MTR CIRCUIT
Check vehicle speed sensor·A/T (revolution sensor) and vehicle speed sensor·MTR circuit. Refer toAT-392,
"VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR)"andAT-142, "DTC P0720 VEHICLE SPEED
SENSOR·A/T (REVOLUTION SENSOR)"(Except for Euro-OBD)./ Refer toAT-397, "DTC VEHICLE SPEED
SENSOR MTR"andAT-222, "DTC VEHICLE SPEED SENSOR MTR"(EURO-OBD).
OK or NG
OK >> GOTO4
NG >> Repair or replace vehicle speed sensor·A/T (revolution sensor) and vehicle speed sensor·MTR
circuits.
4.CHECK THROTTLE POSITION SENSOR*
*: This sensor means accelerator pedal position (APP) sensor.
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 >> GOTO5
NG >> Repair or replace accelerator pedal position (app) sen-
sor.
5.CHECK A/T FLUID CONIDITION
1. Remove oil pan.
2. Check A/T fluid condition.
OK or NG
OK >> GOTO6
NG >> GOTO8
6.DETECT MALFUNCTIONING ITEM
1. Remove control valve. Refer toAT-453, "
Installation".
2. Check the following items:
–Shift valve A
–Shift solenoid valve A (AT-406, "SHIFT SOLENOID VALVE A": Except for Euro-OBD/AT-193, "DTC
P0750 SHIFT SOLENOID VALVE A":Euro-OBD)
–Pilot valve
–Pilot filter
OK or NG
OK >> GOTO7
NG >> Repair or replace damaged parts.
PBIB0498E
SAT171B

AT-246
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
7.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.
8.DETECT MALFUNCTIONING ITEM
1. Remove control valve. Refer toAT-453, "
Installation".
2. Check the following items:
–Shift valve A
–Shift solenoid valve A (AT-406, "SHIFT SOLENOID VALVE A": Except for Euro-OBD/AT - 1 9 3 , "DTC
P0750 SHIFT SOLENOID VALVE A": Euro-OBD)
–Pilot valve
–Pilot filter
3. Disassemble A/T.
4. Check the following items:
–Servo piston assembly
–Brake band
–Oil pump assembly
OK or NG
OK >> GOTO7
NG >> Repair or replace damaged parts.
10. A/T Does Not Shift: D2®D3ECS004T3
SYMPTOM:
A/T does not shift from D
2to D3at the specified speed.
1.CHECK SYMPTOM
Are 7. Vehicle Does Not Creep Forward In “D”, “2” Or “1” Position and 8. Vehicle Cannot Be Started From D
1
OK?
Ye s o r N o
Yes >> GOTO2
No >> Go to 7. Vehicle Does Not Creep Forward In “D”, “2” Or “1” Position and 8. Vehicle Cannot Be
Star ted F ro m D
1,AT-240, "7. Vehicle Does Not Creep Forward In“D”,“2”Or“1”Position",AT -
242, "8. Vehicle Cannot Be Started From D1".

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-247
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
2.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 to “21. TCM Self-diag-
nosis Does Not Activate (PNP & Overdrive Control
switches, and Throttle Position sensor Circuit Checks)”,
AT-260, "
21. TCM Self-diagnosis Does Not Activate
(PNP & Overdrive Control Switches, and Throttle Posi-
tion Sensor Circuit Checks)".
No >> GOTO3
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
SCIA0706E
PBIB0498E
SAT171B

AT-248
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
5.DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer toAT-453, "
Installation".
2. Check the following items:
–Shift valve B
–Shift solenoid valve B (AT- 4 11 , "SHIFT SOLENOID VALVE B": Except for Euro-OBD/AT-198, "DTC
P0755 SHIFT SOLENOID VALVE B": Euro-OBD)
–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.
7.DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer toAT-453, "
Installation".
2. Check the following items:
–Shift valve B
–Shift solenoid valve B (AT- 4 11 , "SHIFT SOLENOID VALVE B": Except for Euro-OBD/AT-198, "DTC
P0755 SHIFT SOLENOID VALVE B": Euro-OBD)
–Pilot valve
–Pilot filter
3. Disassemble A/T.
4. Check the following items:
–Servo piston assembly
–High clutch assembly
–Oil pump assembly
OK or NG
OK >> GOTO6
NG >> Repair or replace damaged parts.

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-249
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
11.A/TDoesNotShift:D3®D4ECS004T4
SYMPTOM:
lA/T does not shift from D3to D4at the specified speed.
lA/T must be warm before D3to D4shift will occur.
1.CHECK SYMPTOM
Are 7. Vehicle Does Not Creep Forward In “D”, “2” Or “1” Position and 8. Vehicle Cannot Be Started From D
1
OK?
Ye s o r N o
Yes >> GOTO2
No >> Go to 7. Vehicle Does Not Creep Forward In “D”, “2” Or “1” Position and 8. Vehicle Cannot Be
Star ted Fr om D
1,AT-240, "7. Vehicle Does Not Creep Forward In“D”,“2”Or“1”Position",AT-
242, "8. Vehicle Cannot Be Started From D1".

AT-250
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
2.CHECK SELF-DIAGNOSTIC RESULTS
With CONSULT-II
Does self-diagnosis, after cruise test, show damage to any of the following circuits?
lPNP switch
lOverdrive control switch
lA/T fluid temperature sensor
lVehicle speed sensor·A/T (revolution sensor)
lShift solenoid valve A or B
lVehicle speed sensor·MTR
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-392, "
VEHICLE SPEED SENSOR·A/T
(REVOLUTION SENSOR)"
–SHIFT SOLENOID VALVE A:AT-406, "SHIFT SOLE-
NOID VALVE A"
–SHIFT SOLENOID VALVE B:AT- 4 11 , "SHIFT SOLE-
NOID VALVE B"
–BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM POWER
SOURCE):AT-426, "
BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND
TCM POWER SOURCE)"
–VHCL SPEED SEN·MTR VEHICLE SPEED SENSOR·MTR:AT - 3 9 7 , "DTC VEHICLE SPEED
SENSOR MTR"
–21. TCM Self-diagnosis Does Not Activate (PNP & Overdrive Control Switches, and Throttle
Position sensor Circuit Checks):AT - 2 6 0 , "
21. TCM Self-diagnosis Does Not Activate (PNP &
Overdrive Control Switches, and Throttle Position Sensor Circuit Checks)"
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"
–BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM POWER
SOURCE):AT-216, "
DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT
AND TCM POWER SOURCE)"
–VHCL SPEED SEN·MTR VEHICLE SPEED SENSOR·MTR:AT - 2 2 2 , "DTC VEHICLE SPEED
SENSOR MTR"
–21. TCM Self-diagnosis Does Not Activate (PNP & Overdrive Control Switches, and Throttle
Position sensor Circuit Checks):AT - 2 6 0 , "
21. TCM Self-diagnosis Does Not Activate (PNP &
Overdrive Control Switches, and Throttle Position Sensor Circuit Checks)"
No >> GOTO3
SCIA0771E

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

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

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

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: