Page 2257 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSES FOR SYMPTOMS
AT-221
[EURO-OBD]
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5. CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT- 4 0 4 , "
COMPONENTS" .
2. Check A/T fluid condition. Refer t NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSES FOR SYMPTOMS
AT-221
[EURO-OBD]
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5. CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT- 4 0 4 , "
COMPONENTS" .
2. Check A/T fluid condition. Refer t](/manual-img/5/57404/w960_57404-2256.png)
TROUBLE DIAGNOSES FOR SYMPTOMS
AT-221
[EURO-OBD]
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5. CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT- 4 0 4 , "
COMPONENTS" .
2. Check A/T fluid condition. Refer to AT- 6 4 , "
FLUID CONDITION
CHECK" .
OK or NG
OK >> GO TO 6.
NG >> GO TO 8.
6. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT- 4 0 4 , "
Control Valve Assembly and Accumulators" .
2. Check the following items:
–Shift valve B
–Shift solenoid valve B
–Pilot valve
–Pilot filter
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.
7. CHECK SYMPTOM
Check again. Refer to AT- 7 8 , "
Cruise Test — Part 1" and AT- 8 1 , "Cruise Test — Part 2" .
OK or NG
OK >>INSPECTION END
NG >> 1. Perform TCM input/output signal inspection. Refer to AT- 9 4 , "
TCM Terminals and Reference
Va l u e" .
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
8. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT- 4 0 4 , "
Control Valve Assembly and Accumulators" .
2. Check the following items:
–Shift valve B
–Shift solenoid valve B
–Pilot valve
–Pilot filter
3. Disassemble A/T. Refer to AT- 4 2 4 , "
Disassembly" .
4. Check the following items:
–Servo piston assembly
–High clutch assembly. Refer to AT- 4 6 9 , "High Clutch" .
–Oil pump assembly. Refer to AT- 4 4 3 , "Oil Pump" .
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.
SAT171B
Page 2258 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual AT-222
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
A/T Does Not Shift: D3 → D4ECS004T4
SYMPTOM:
A/T does not shift from D3 to D4 at the specified speed.
A/T must be warm before D3 to D4 shift NISSAN X-TRAIL 2003 Service Repair Manual AT-222
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
A/T Does Not Shift: D3 → D4ECS004T4
SYMPTOM:
A/T does not shift from D3 to D4 at the specified speed.
A/T must be warm before D3 to D4 shift](/manual-img/5/57404/w960_57404-2257.png)
AT-222
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
A/T Does Not Shift: D3 → D4ECS004T4
SYMPTOM:
A/T does not shift from D3 to D4 at the specified speed.
A/T must be warm before D3 to D4 shift will occur.
1. CHECK SYMPTOM
Check symptom. Refer to AT- 7 8 , "
Cruise Test — Part 1" and AT- 8 1 , "Cruise Test — Part 2" .
Are
“Vehicle Does Not Creep Ford In “D”, “2” Or “1” Position” and “Vehicle Cannot Be Started From D1 ” OK?
YES >> GO TO 2.
NO >> GO TO AT- 2 1 2 , "
Vehicle Does Not Creep Forward In “D”, “2” Or “1” Position" , AT- 2 1 4 , "Veh ic le
Cannot Be Started From D1" .
2. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT- 4 5 , "
SELF-DIAGNOSTIC PROCEDURE (WITH CONSULT-II)" or AT- 5 2 ,
"Diagnostic Procedure Without CONSULT-II" .
Do the self-diagnosis results indicate PNP switch, overdrive control switch, A/T fluid temperature sensor, vehi-
cle speed sensor·A/T (revolution sensor), shift solenoid valve A,B or vehicle speed sensor·MTR circuit?
YES >>Check damaged circuit. Refer to the following items.
–AT- 11 2 , "DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR)"
–AT- 1 6 1 , "DTC P0750 SHIFT SOLENOID VALVE A"
–AT- 1 6 7 , "DTC P0755 SHIFT SOLENOID VALVE B"
–AT- 1 8 4 , "DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM
POWER SOURCE)"
–AT- 1 9 2 , "DTC VEHICLE SPEED SENSOR MTR"
–AT- 2 3 7 , "TCM Self-diagnosis Does Not Activate"
NO >> GO TO 3.
3. CHECK ACCELERATOR PEDAL POSITION (APP) SENSOR
Check accelerator pedal position (APP) sensor. Refer to AT- 1 7 3 ,
"DTC P1705 ACCELERATOR PEDAL POSITION (APP) SENSOR"
OK or NG
OK >> GO TO 4.
NG >> Repair or replace accelerator pedal position (APP) sen-
sor.
4. CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT- 4 0 4 , "
COMPONENTS" .
2. Check A/T fluid condition. Refer to AT- 6 4 , "
FLUID CONDITION
CHECK" .
OK or NG
OK >> GO TO 5.
NG >> GO TO 7.
PBIB0498E
SAT171B
Page 2259 of 4179
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AT-223
[EURO-OBD]
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5. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT- 4 0 4 , "
Control Valve Assembly and Accumula NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSES FOR SYMPTOMS
AT-223
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5. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT- 4 0 4 , "
Control Valve Assembly and Accumula](/manual-img/5/57404/w960_57404-2258.png)
TROUBLE DIAGNOSES FOR SYMPTOMS
AT-223
[EURO-OBD]
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5. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT- 4 0 4 , "
Control Valve Assembly and Accumulators" .
2. Check the following items:
–Shift valve A
–Overrun clutch control valve
–Shift solenoid valve A
–Pilot valve
–Pilot filter
OK or NG
OK >> GO TO 6.
NG >> Repair or replace damaged parts.
6. CHECK SYMPTOM
Check again. Refer to AT- 8 1 , "
Cruise Test — Part 2" and AT- 7 8 , "Cruise Test — Part 1" .
OK or NG
OK >>INSPECTION END
NG >> 1. Perform TCM input/output signal inspection. Refer to AT- 9 4 , "
TCM Terminals and Reference
Va l u e" .
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 to AT- 4 0 4 , "
Control Valve Assembly and Accumulators" .
2. Check the following items:
–Shift valve A
–Overrun clutch control valve
–Shift solenoid valve A
–Pilot valve
–Pilot filter
3. Disassemble A/T. Refer to AT- 4 2 4 , "
Disassembly" .
4. Check the following items:
–Servo piston assembly
–Torque converter. Refer to AT-424, "Disassembly" .
–Oil pump assembly. Refer to AT- 4 4 3 , "Oil Pump" .
–Brake band
OK or NG
OK >> GO TO 6
NG >> Repair or replace damaged parts.
Page 2260 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual AT-224
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
A/T Does Not Perform Lock-upECS004T5
SYMPTOM:
A/T does not perform lock-up at the specified speed.
1. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diag NISSAN X-TRAIL 2003 Service Repair Manual AT-224
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
A/T Does Not Perform Lock-upECS004T5
SYMPTOM:
A/T does not perform lock-up at the specified speed.
1. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diag](/manual-img/5/57404/w960_57404-2259.png)
AT-224
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
A/T Does Not Perform Lock-upECS004T5
SYMPTOM:
A/T does not perform lock-up at the specified speed.
1. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT- 4 5 , "
SELF-DIAGNOSTIC PROCEDURE (WITH CONSULT-II)" or AT- 5 2 ,
"Diagnostic Procedure Without CONSULT-II" .
Does self-diagnosis show damage to A/T fluid temperature sensor, vehicle speed sensor
·A/T (revolution sen-
sor), engine speed signal, vehicle speed sensor·MTR or torque converter clutch solenoid valve circuit after
cruise test?
YES >> Check damaged circuit. Refer to AT- 1 4 8 , "DTC P0740 TORQUE CONVERTER CLUTCH SOLE-
NOID VALVE" , AT- 1 0 6 , "DTC P0710 A/T FLUID TEMPERATURE SENSOR CIRCUIT" , AT- 11 2 ,
"DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR)" , AT- 11 9 , "DTC P0725
ENGINE SPEED SIGNAL" , AT- 1 9 2 , "DTC VEHICLE SPEED SENSOR MTR" .
NO >> GO TO 2.
2. CHECK ACCELERATOR PEDAL POSITION (APP) SENSOR
Check accelerator pedal position (APP) sensor. Refer to AT- 1 7 3 ,
"DTC P1705 ACCELERATOR PEDAL POSITION (APP) SENSOR"
OK or NG
OK >> GO TO 3.
NG >> Repair or replace accelerator pedal position (APP) sen-
sor.
3. DETECT MALFUNCTIONING ITEM
1. Remove control valve. Refer to AT- 4 0 4 , "
Control Valve Assembly and Accumulators" .
2. Check the following items:
–Torque converter clutch control valve
–Torque converter clutch solenoid valve
–Torque converter relief valve
–Pilot valve
–Pilot filter
3. Disassemble A/T. Refer to AT- 4 2 4 , "
Disassembly" .
4. Check torque converter. Refer to AT- 4 2 4 , "
Disassembly" .
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts.
4. CHECK SYMPTOM
Check again. Refer to AT- 7 8 , "
Cruise Test — Part 1" .
OK or NG
OK >>INSPECTION END
NG >> 1. Perform TCM input/output signal inspection. Refer to AT- 9 4 , "
TCM Terminals and Reference
Va l u e" .
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
PBIB0498E
Page 2261 of 4179
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AT-225
[EURO-OBD]
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A/T Does Not Hold Lock-up ConditionECS004T6
SYMPTOM:
A/T does not hold lock-up condition for more than 30 seconds.
1. CHECK NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSES FOR SYMPTOMS
AT-225
[EURO-OBD]
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A/T Does Not Hold Lock-up ConditionECS004T6
SYMPTOM:
A/T does not hold lock-up condition for more than 30 seconds.
1. CHECK](/manual-img/5/57404/w960_57404-2260.png)
TROUBLE DIAGNOSES FOR SYMPTOMS
AT-225
[EURO-OBD]
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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
Perform self-diagnosis. Refer to AT- 4 5 , "
SELF-DIAGNOSTIC PROCEDURE (WITH CONSULT-II)" or AT- 5 2 ,
"Diagnostic Procedure Without CONSULT-II" .
Does self-diagnosis show damage to engine speed signal circuit after cruise test?
YES >> Check engine speed signal circuit. Refer to AT- 11 9 , "DTC P0725 ENGINE SPEED SIGNAL" .
NO >> GO TO 2.
2. CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT- 4 0 4 , "
COMPONENTS" .
2. Check A/T fluid condition. Refer to AT- 6 4 , "
FLUID CONDITION
CHECK" .
OK or NG
OK >> GO TO 3.
NG >> GO TO 5.
3. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT- 4 0 4 , "
Control Valve Assembly and Accumulators" .
2. Check the following items:
–Torque converter clutch control valve
–Torque converter clutch solenoid valve
–Pilot valve
–Pilot filter
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts.
4. CHECK SYMPTOM
Check again. Refer to AT- 7 8 , "
Cruise Test — Part 1" .
OK or NG
OK >>INSPECTION END
NG >> 1. Perform TCM input/output signal inspection. Refer to AT- 9 4 , "
TCM Terminals and Reference
Va l u e" .
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
SAT171B
Page 2262 of 4179
AT-226
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
5. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT- 4 0 4 , "
Control Valve Assembly and Accumulators" .
2. Check the following items:
–Torque converter clutch control valve
–Torque converter clutch solenoid valve
–Pilot valve
–Pilot filter
3. Disassemble A/T. Refer to AT- 4 2 4 , "
Disassembly" .
4. Check torque converter and oil pump assembly.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts.
Page 2263 of 4179
TROUBLE DIAGNOSES FOR SYMPTOMS
AT-227
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Lock-up Is Not ReleasedECS004T7
SYMPTOM:
Lock-up is not released when accelerator pedal is released.
1. CHECK ACCELERATOR PEDAL POSITION (APP) SENSOR CIRCUIT
Perform self-diagnosis. Refer to AT- 4 5 , "
SELF-DIAGNOSTIC PROCEDURE (WITH CONSULT-II)" or AT- 5 2 ,
"Diagnostic Procedure Without CONSULT-II" .
Do the self-diagnosis results indicate accelerator pedal position (APP) sensor circuit?
YES >> Check accelerator pedal position (APP) sensor circuit. Refer to AT- 1 7 3 , "DTC P1705 ACCELER-
ATOR PEDAL POSITION (APP) SENSOR" .
NO >> GO TO 2.
2. CHECK SYMPTOM
Check again. Refer to AT- 7 8 , "
Cruise Test — Part 1" .
OK or NG
OK >>INSPECTION END
NG >> 1. Perform TCM input/output signal inspection. Refer to AT- 9 4 , "
TCM Terminals and Reference
Va l u e" .
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
Page 2264 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual AT-228
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
Engine Speed Does Not Return To Idle (Light Braking D4 → D3 )ECS004T8
SYMPTOM:
Engine speed does not smoothly return to idle when A/T shifts from NISSAN X-TRAIL 2003 Service Repair Manual AT-228
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
Engine Speed Does Not Return To Idle (Light Braking D4 → D3 )ECS004T8
SYMPTOM:
Engine speed does not smoothly return to idle when A/T shifts from](/manual-img/5/57404/w960_57404-2263.png)
AT-228
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
Engine Speed Does Not Return To Idle (Light Braking D4 → D3 )ECS004T8
SYMPTOM:
Engine speed does not smoothly return to idle when A/T shifts from D
4 to D3 .
1. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT- 4 5 , "
SELF-DIAGNOSTIC PROCEDURE (WITH CONSULT-II)" or AT- 5 2 ,
"Diagnostic Procedure Without CONSULT-II" .
Does self-diagnosis show damage to overrun clutch solenoid valve circuit after cruise test?
YES >> Check overrun clutch solenoid valve circuit. Refer to AT- 1 7 8 , "DTC P1760 OVERRUN CLUTCH
SOLENOID VALVE" .
NO >> GO TO 2.
2. CHECK ACCELERATOR PEDAL POSITION (APP) SENSOR
Check accelerator pedal position (APP) sensor. Refer to AT- 1 7 3 ,
"DTC P1705 ACCELERATOR PEDAL POSITION (APP) SENSOR"
OK or NG
OK >> GO TO 3.
NG >> Repair or replace accelerator pedal position (APP) sen-
sor.
3. CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT- 4 0 4 , "
COMPONENTS" .
2. Check A/T fluid condition. Refer to AT- 6 4 , "
FLUID CONDITION
CHECK" .
OK or NG
OK >> GO TO 4.
NG >> GO TO 6.
4. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT- 4 0 4 , "
Control Valve Assembly and Accumulators" .
2. Check the following items:
–Overrun clutch control valve
–Overrun clutch reducing valve
–Overrun clutch solenoid valve
OK or NG
OK >> GO TO 5.
NG >> Repair or replace damaged parts.
PBIB0498E
SAT171B