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 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

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.

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-227
[EURO-OBD]
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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.

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

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-229
[EURO-OBD]
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5. 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.
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:
–Overrun clutch control valve
–Overrun clutch reducing valve
–Overrun clutch solenoid valve
3. Disassemble A/T. Refer to AT- 4 2 4 , "
Disassembly" .
4. Check the following item:
–Overrun clutch assembly. Refer to AT- 4 7 5 , "Forward and Overrun Clutches" .
OK or NG
OK >> GO TO 5.
NG >> Repair or replace damaged parts.

AT-230
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS

Vehicle Does Not Start From D1ECS004T9
SYMPTOM:
Vehicle does not start from D
1 on Cruise test — Part 2.
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 vehicle speed sensor
·A/T (revolution sensor), shift solenoid valve A, B or
vehicle speed sensor·MTR after cruise test?
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 9 2 , "DTC VEHICLE SPEED SENSOR MTR"
NO >> GO TO 2.
2. CHECK SYMPTOM
Check again. Refer to AT- 8 1 , "
Cruise Test — Part 2" .
OK or NG
OK >> GO TO AT- 2 1 4 , "Vehicle Cannot Be Started From D1" .
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.

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-231
[EURO-OBD]
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A/T Does Not Shift: D4 → D3 , When Overdrive Control Switch “ON” → “OFF”ECS004TA
SYMPTOM:
A/T does not shift from D
4 to D3 when changing overdrive control switch to “OFF” position.
1. CHECK OVERDRIVE CONTROL SWITCH CIRCUIT
Check overdrive control switch circuit. Refer to AT- 2 3 7 , "
TCM Self-diagnosis Does Not Activate" .
OK or NG
OK >> GO TO AT- 2 2 0 , "A/T Does Not Shift: D2 → D3" .
NG >> Check overdrive control switch circuit. Refer to AT- 2 3 7 , "
TCM Self-diagnosis Does Not Activate" .

AT-232
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS

A/T Does Not Shift: D3 → 22 , When Selector Lever “D” → “2” PositionECS004TB
SYMPTOM:
A/T does not shift from D
3 to 22 when changing selector lever from “D” to “2” position.
1. CHECK PNP SWITCH CIRCUIT
Check PNP switch circuit. Refer to AT- 1 0 0 , "
DTC P0705 PARK/NEUTRAL POSITION (PNP) SWITCH" .
OK or NG
OK >> GO TO AT- 2 1 7 , "A/T Does Not Shift: D1 → D2 Or Does Not Kickdown: D4 → D2" .
NG >> Check PNP switch circuit. Refer to AT- 1 0 0 , "
DTC P0705 PARK/NEUTRAL POSITION (PNP)
SWITCH" .

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-233
[EURO-OBD]
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A/T Does Not Shift: 22 → 11 , When Selector Lever “2” → “1” PositionECS004TC
SYMPTOM:
A/T does not shift from 2
2 to 11 when changing selector lever from “2” to “1” position.
1. CHECK PNP SWITCH CIRCUIT
Check PNP switch circuit. Refer to AT- 1 0 0 , "
DTC P0705 PARK/NEUTRAL POSITION (PNP) SWITCH" .
OK or NG
OK >> GO TO 2.
NG >> Check PNP switch circuit. Refer to AT- 1 0 0 , "
DTC P0705 PARK/NEUTRAL POSITION (PNP)
SWITCH" .
2. ADJUST CONTROL CABLE
Check control cable. Refer to AT- 4 0 9 , "
Control Cable Adjustment" .
OK or NG
OK >> GO TO 3.
NG >> Adjust control cable. Refer to AT- 4 0 9 , "
Control Cable
Adjustment" .
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 to AT- 11 2 ,
"DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR)" and AT- 1 9 2 , "DTC VEHICLE
SPEED SENSOR MTR" .
OK or NG
OK >> GO TO 4.
NG >> Repair or replace vehicle speed sensor·A/T (revolution sensor) and vehicle speed sensor·MTR
circuits.
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 6.
NG >> GO TO 5.
SAT023JB
SAT171B

AT-234
[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:
–Overrun clutch control valve
–Overrun clutch solenoid valve
–Shift valve A
–Shift solenoid valve A
3. Disassemble A/T. Refer to AT- 4 2 4 , "
Disassembly" .
4. Check the following items:
–Servo piston assembly
–Brake band
OK or NG
OK >> GO TO 6.
NG >> Repair or replace damaged parts.
6. CHECK SYMPTOM
Check again. Refer to AT- 8 2 , "
Cruise Test — Part 3" .
OK or NG
OK >>INSPECTION END
NG >> 1. Perform TCM input/output signal inspection. Refer to
AT- 9 4 , "
TCM Terminals and Reference Value" .
2. If NG, recheck TCM pin terminals for damage or loose
connection with harness connector.
SAT778B