NISSAN X-TRAIL 2003 Electronic Repair Manual

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-365
[EXC.F/EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
4.CHECK LINE PRESSURE
Check line pressure at stall point with selector lever in “D” position.
Refer to “Line Pressure Test”,AT-290, "
Line Pressure Test".
OK or NG
OK >> GOTO5
NG >> GOTO8
5.CHECKA/TFLUIDCONDITION
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 assembly. Refer to $$$$$.
2. Check the following items:
–Shift valve A
–Shift valve B
–Shift solenoid valve A
–Shift solenoid valve B
–Pilot valve
–Pilot filter
OK or NG
OK >> GOTO7
NG >> Repair or replace damaged parts.
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.
SAT494G
SAT171B

AT-366
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
8.DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer toAT-453, "
Installation".
2. Check the following items:
–Shift valve A
–Shift valve B
–Shift solenoid valve A
–Shift solenoid valve B
–Pilot valve
–Pilot filter
3. Disassemble A/T.
4. Check the following items:
–Forward clutch assembly
–Forward one-way clutch
–Low one-way clutch
–High clutch assembly
–Torque converter
–Oil pump assembly
OK or NG
OK >> GOTO7
NG >> Repair or replace damaged parts.
9. A/T Does Not Shift: D1®D2Or Does Not Kickdown: D4®D2ECS004VA
SYMPTOM:
A/T does not shift from D
1to D2at the specified speed.
A/T does not shift from D
4to D2when depressing accelerator pedal fully at 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-362, "7. Vehicle Does Not Creep Forward In“D”,“2”Or“1”Position",AT -
364, "8. Vehicle Cannot Be Started From D1".
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-382, "
21. TCM Self-diagnosis Does Not Activate
(PNP & Overdrive Control Switches, and Throttle Posi-
tion Sensor Circuit Checks)".
No >> GOTO3
SCIA0706E

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-367
[EXC.F/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-368
[EXC.F/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®D3ECS004VB
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-362, "7. Vehicle Does Not Creep Forward In“D”,“2”Or“1”Position",AT -
364, "8. Vehicle Cannot Be Started From D1".

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-369
[EXC.F/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-382, "
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-370
[EXC.F/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-371
[EXC.F/EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
11.A/TDoesNotShift:D3®D4ECS004VC
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-362, "7. Vehicle Does Not Creep Forward In“D”,“2”Or“1”Position",AT-
364, "8. Vehicle Cannot Be Started From D1".

AT-372
[EXC.F/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 - 3 8 2 , "
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 - 3 8 2 , "
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-373
[EXC.F/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-374
[EXC.F/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-upECS004VD
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