Page 241 of 3066
TROUBLE DIAGNOSES FOR SYMPTOMS
AT-235
[EURO-OBD]
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Vehicle moves forward or backward when selecting “N” 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 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 >> GOTO2
2.CHECK CONTROL CABLE
Check control cable. Refer toAT-456, "
Control Cable Adjustment".
OK or NG
OK >> GOTO3
NG >> Adjust control cable. Refer toAT- 4 5 6 , "
Control Cable
Adjustment".
3.CHECK A/T FLUID LEVEL
Check A/T fluid level again.
OK or NG
OK >> GOTO4
NG >> Refill ATF.
SCIA0706E
SAT023JB
SAT638A
Page 242 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual AT-236
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
4.CHECK A/T FLUID CONDITION
1. Remove oil pan.
2. Check A/T fluid condition.
OK or NG
OK >> GOTO5
NG >> 1. Disassemble A/T.
2. Check the following item NISSAN X-TRAIL 2003 Electronic Repair Manual AT-236
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
4.CHECK A/T FLUID CONDITION
1. Remove oil pan.
2. Check A/T fluid condition.
OK or NG
OK >> GOTO5
NG >> 1. Disassemble A/T.
2. Check the following item](/manual-img/5/57402/w960_57402-241.png)
AT-236
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
4.CHECK A/T FLUID CONDITION
1. Remove oil pan.
2. Check A/T fluid condition.
OK or NG
OK >> GOTO5
NG >> 1. Disassemble A/T.
2. Check the following items:
–Forwardclutchassembly
–Overrunclutchassembly
–Reverse clutch assembly
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.
5. Large Shock. “N”®“R” PositionECS004SY
SYMPTOM:
There is large shock when changing from “N” to “R” position.
1.CHECK SELF-DIAGNOSTIC RESULTS
Does self-diagnosis show damage to A/T fluid temperature sensor,
line pressure solenoid valve or throttle position sensor circuit?
Ye s o r N o
Ye s > >lCheck damaged circuit. Refer to the following items.
Except for Euro-OBD
–LINE PRESSURE SOLENOID VALVE:AT-436, "LINE
PRESSURE SOLENOID VALVE"
–THROTTLE POSITION SENSOR:AT-401, "ACCELE
RATOR PEDAL POSITION (APP) SENSOR"
–BATT/FLUID TEMP SEN (A/T FLUID TEMP SEN-
SOR CIRCUIT AND TCM POWER SOURCE:AT-
426, "BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM POWER
SOURCE)"
Euro-OBD
–LINE PRESSURE SOLENOID VALVE:AT-186, "DTC P0745 LINE PRESSURE SOLENOID
VA LV E"
–THROTTLE POSITION SENSOR:AT-203, "DTC P1705 ACCELERATOR PEDAL POSITION
(APP) SENSOR"
–BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM POWER SOURCE:
AT - 2 1 6 , "
DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM
POWER SOURCE)"
No >> GOTO2
SAT171B
SCIA0769E
Page 243 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual TROUBLE DIAGNOSES FOR SYMPTOMS
AT-237
[EURO-OBD]
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AT
2.CHECK THROTTLE POSITION SENSOR*
*: This sensor means accelerator pedal position (APP) sensor.
Check throttle position senso NISSAN X-TRAIL 2003 Electronic Repair Manual TROUBLE DIAGNOSES FOR SYMPTOMS
AT-237
[EURO-OBD]
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2.CHECK THROTTLE POSITION SENSOR*
*: This sensor means accelerator pedal position (APP) sensor.
Check throttle position senso](/manual-img/5/57402/w960_57402-242.png)
TROUBLE DIAGNOSES FOR SYMPTOMS
AT-237
[EURO-OBD]
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2.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
"EX-´´, "DTC P0121ACCELERATOR PEDAL POSI-
TION(APP)SENSOR".—Euro-OBD
OK or NG
OK >> GOTO3
NG >> Repair or replaceAccelerator pedal position(APP)sen-
sor.
3.CHECK LINE PRESSURE
Check line pressure at idle with selector lever in “D” position. Refer
toAT-68, "
Line Pressure Test".
OK or NG
OK >> GOTO4
NG >> 1. Remove control valve assembly. Refer toAT-453,
"Installation".
2. Check the following items:
–Valves to control line pressure (Pressure regulator
valve, pressure modifier valve, pilot valve and pilot fil-
ter)
–Line pressure solenoid valve
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.
6. Vehicle Does Not Creep Backward In “R” PositionECS004SZ
SYMPTOM:
Vehicle does not creep backward when selecting “R” position.
1.CHECK A/T FLUID LEVEL
Check A/T fluid level again.
OK or NG
OK >> GOTO2
NG >> Refill ATF.
PBIB0498E
SAT494G
SAT638A
Page 244 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual AT-238
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
2.CHECK STALL TEST
Check stall revolution with selector lever in “1” and “R” positions.
Refer toAT-65, "
Stall Te st".
OK or NG
OK >> GOTO3
OK NISSAN X-TRAIL 2003 Electronic Repair Manual AT-238
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
2.CHECK STALL TEST
Check stall revolution with selector lever in “1” and “R” positions.
Refer toAT-65, "
Stall Te st".
OK or NG
OK >> GOTO3
OK](/manual-img/5/57402/w960_57402-243.png)
AT-238
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
2.CHECK STALL TEST
Check stall revolution with selector lever in “1” and “R” positions.
Refer toAT-65, "
Stall Te st".
OK or NG
OK >> GOTO3
OK in “1” position, NG in “R” position>>1.Remove control valve
assembly. Refer to “ON-VEHICLE SERVICE”,AT-
453, "Installation".
2. Check the following items:
–Valves to control line pressure (Pressure regulator
valve, pressure modifier valve, pilot valve and pilot fil-
ter)
–Line pressure solenoid valve (AT-436, "LINE PRES-
SURE SOLENOID VALVE": Except for Euro-OBDAT-186, "DTC P0745 LINE PRESSURE
SOLENOID VALVE": Euro-OBD)
3. Disassemble A/T.
4. Check the following items:
–Oil pump assembly
–Torque converter
–Reverse clutch assembly
–High clutch assembly
–Low & reverse brake assembly
–Low one-way clutch
NG in both “1” and “R” positions>>GOTO6
3.CHECK LINE PRESSURE
Check line pressure at idle with selector lever in “R” position. Refer
to “Line Pressure Test”,AT-68, "
Line Pressure Test".
OK or NG
OK >> GOTO4
NG >> 1. Remove control valve assembly. Refer to “ON-VEHI-
CLE SERVICE”,AT-453, "
Installation".
2. Check the following items:
–Valves to control line pressure (Pressure regulator
valve, pressure modifier valve, pilot valve and pilot fil-
ter)
–Line pressure solenoid valve (AT-436, "LINE PRES-
SURE SOLENOID VALVE": Except for Euro-OBD/AT-186, "DTC P0745 LINE PRESSURE
SOLENOID VALVE": Euro-OBD)
3. Disassemble A/T.
4. Check the following item:
–Oil pump assembly
SAT493G
SAT494G
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![NISSAN X-TRAIL 2003 Electronic Repair Manual TROUBLE DIAGNOSES FOR SYMPTOMS
AT-239
[EURO-OBD]
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4.CHECKA/TFLUIDCONDITION
1. Remove oil pan.
2. Check A/T fluid condition.
OK or NG
OK >> GOTO5
NG >> GOTO6
5.CHECK SYMPTOM
Ch NISSAN X-TRAIL 2003 Electronic Repair Manual TROUBLE DIAGNOSES FOR SYMPTOMS
AT-239
[EURO-OBD]
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4.CHECKA/TFLUIDCONDITION
1. Remove oil pan.
2. Check A/T fluid condition.
OK or NG
OK >> GOTO5
NG >> GOTO6
5.CHECK SYMPTOM
Ch](/manual-img/5/57402/w960_57402-244.png)
TROUBLE DIAGNOSES FOR SYMPTOMS
AT-239
[EURO-OBD]
D
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4.CHECKA/TFLUIDCONDITION
1. Remove oil pan.
2. Check A/T fluid condition.
OK or NG
OK >> GOTO5
NG >> GOTO6
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.
6.DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to “ON-VEHICLE SERVICE”,AT-453, "
Installation".
2. Check the following items:
–Valves to control line pressure (Pressure regulator valve, pressure modifier valve, pilot valve and pilot fil-
ter)
–Line pressure solenoid valve (AT- 4 3 6 , "LINE PRESSURE SOLENOID VALVE": Except for Euro-OBD/AT-
186, "DTC P0745 LINE PRESSURE SOLENOID VALVE":Euro-OBD)
3. Disassemble A/T.
4. Check the following items:
–Oil pump assembly
–Torque converter
–Reverse clutch assembly
–High clutch assembly
–Low & reverse brake assembly
–Low one-way clutch
OK or NG
OK >> GOTO5
NG >> Repair or replace damaged parts.
SAT171B
Page 246 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual AT-240
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
7. Vehicle Does Not Creep Forward In “D”, “2” Or “1” Position
ECS004T0
SYMPTOM:
Vehicle does not creep forward when selecting “D”, “2 NISSAN X-TRAIL 2003 Electronic Repair Manual AT-240
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
7. Vehicle Does Not Creep Forward In “D”, “2” Or “1” Position
ECS004T0
SYMPTOM:
Vehicle does not creep forward when selecting “D”, “2](/manual-img/5/57402/w960_57402-245.png)
AT-240
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
7. Vehicle Does Not Creep Forward In “D”, “2” Or “1” Position
ECS004T0
SYMPTOM:
Vehicle does not creep forward when selecting “D”, “2” or “1” position.
1.CHECK A/T FLUID LEVEL
Check A/T fluid level again.
OK or NG
OK >> GOTO2
NG >> Refill ATF.
2.CHECK STALL TEST
Check stall revolution with selector lever in “D” position. Refer to
“Stall Test”,AT - 6 5 , "
Stall Test".
OK or NG
OK >> GOTO3
NG >> GOTO6
3.CHECK LINE PRESSURE
Check line pressure at idle with selector lever in “D” position. Refer
to “Line Pressure Test ”,AT-68, "
Line Pressure Test".
OK or NG
OK >> GOTO4
NG >> 1. Remove control valve assembly. Refer toAT-453,
"Installation".
2. Check the following items:
–Valves to control line pressure (Pressure regulator
valve, pressure modifier valve, pilot valve and pilot fil-
ter)
–Line pressure solenoid valve (AT-436, "LINE PRES-
SURE SOLENOID VALVE": Except for Euro-OBD/AT-186, "DTC P0745 LINE PRESSURE
SOLENOID VALVE": Euro-OBD)
3. Disassemble A/T.
4. Check the following item:
–Oil pump assembly
SAT638A
SAT493G
SAT494G
Page 247 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual TROUBLE DIAGNOSES FOR SYMPTOMS
AT-241
[EURO-OBD]
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4.CHECKA/TFLUIDCONDITION
1. Remove oil pan.
2. Check A/T fluid condition.
OK or NG
OK >> GOTO5
NG >> GOTO6
5.CHECK SYMPTOM
Ch NISSAN X-TRAIL 2003 Electronic Repair Manual TROUBLE DIAGNOSES FOR SYMPTOMS
AT-241
[EURO-OBD]
D
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4.CHECKA/TFLUIDCONDITION
1. Remove oil pan.
2. Check A/T fluid condition.
OK or NG
OK >> GOTO5
NG >> GOTO6
5.CHECK SYMPTOM
Ch](/manual-img/5/57402/w960_57402-246.png)
TROUBLE DIAGNOSES FOR SYMPTOMS
AT-241
[EURO-OBD]
D
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4.CHECKA/TFLUIDCONDITION
1. Remove oil pan.
2. Check A/T fluid condition.
OK or NG
OK >> GOTO5
NG >> GOTO6
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.
6.DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer toAT-453, "
Installation".
2. Check the following items:
–Valves to control line pressure (Pressure regulator valve, pressure modifier valve, pilot valve and pilot fil-
ter)
–Line pressure solenoid valve (AT- 4 3 6 , "LINE PRESSURE SOLENOID VALVE": Except for Euro-OBD/AT-
186, "DTC P0745 LINE PRESSURE SOLENOID VALVE":Euro-OBD)
3. Disassemble A/T.
4. Check the following items:
–Oil pump assembly
–Forwardclutchassembly
–Forward one-way clutch
–Low one-way clutch
–Low & reverse brake assembly
–Torque converter
OK or NG
OK >> GOTO5
NG >> Repair or replace damaged parts.
SAT171B
Page 248 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual AT-242
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
8. Vehicle Cannot Be Started From D
1ECS004T1
SYMPTOM:
Vehicle cannot be started from D
1on Cruise test — Part 1.
1.CHECK SYMPTOM
Is 6. Vehicle Does NISSAN X-TRAIL 2003 Electronic Repair Manual AT-242
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
8. Vehicle Cannot Be Started From D
1ECS004T1
SYMPTOM:
Vehicle cannot be started from D
1on Cruise test — Part 1.
1.CHECK SYMPTOM
Is 6. Vehicle Does](/manual-img/5/57402/w960_57402-247.png)
AT-242
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
8. Vehicle Cannot Be Started From D
1ECS004T1
SYMPTOM:
Vehicle cannot be started from D
1on Cruise test — Part 1.
1.CHECK SYMPTOM
Is 6. Vehicle Does Not Creep Backward In “R” Position OK?
Ye s o r N o
Yes >> GOTO2
No >> Go to 6. Vehicle Does Not Creep Backward In “R” Position,AT - 2 3 7 , "
6. Vehicle Does Not Creep
Backward In“R”Position".
2.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-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 SOLENOID VALVE B"
–VHCL SPEED SEN·MTR VEHICLE SPEED SENSOR·MTR:AT - 3 9 7 , "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: $$$$$
No >> GOTO3
3.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 >> GOTO4
NG >> Repair or replace accelerator pedal position (app) sen-
sor.
SCIA0770E
PBIB0498E