NISSAN X-TRAIL 2001 Service Repair Manual

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-213
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
In “N” Position, Vehicle MovesECS004SX
SYMPTOM:
Vehicle moves forward or backward when selecting “N” position.
1.CHECK CONTROL CABLE
Check control cable. Refer to AT-416, "
Control Cable Adjustment" .
OK or NG
OK >> GO TO 2.
NG >> Adjust control cable. Refer to AT- 4 1 6 , "
Control Cable
Adjustment" .
2.CHECK A/T FLUID LEVEL
Check A/T fluid level again.
OK or NG
OK >> GO TO 3.
NG >> Refill ATF.
3.CHECK A/T FLUID CONDITION
1. Remove oil pan.
2. Check A/T fluid condition.
OK or NG
OK >> GO TO 4.
NG >> 1. Disassemble A/T.
2. Check the following items:
–Forward clutch assembly
–Overrun clutch assembly
–Reverse clutch assembly
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.
SAT023JB
SAT638A
SAT171B

AT-214
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
Large Shock. “N” → “R” Position
ECS004SY
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 > >●Check damaged circuit. Refer to the following items.
Euro-OBD
–AT- 1 6 3 , "DTC P0745 LINE PRESSURE SOLENOID
VA LV E"
–AT- 1 8 0 , "DTC P1705 ACCELERATOR PEDAL POSI-
TION (APP) SENSOR"
–AT- 1 9 3 , "DTC BATT/FLUID TEMP SEN (A/T FLUID
TEMP SENSOR CIRCUIT AND TCM POWER
SOURCE)"
No >> GO TO 2
2. CHECK LINE PRESSURE
Check line pressure at idle with selector lever in “D” position. Refer
to AT-67, "
Line Pressure Test" .
OK or NG
OK >> GO TO 3.
NG >> 1. Remove control valve assembly. Refer to AT- 4 1 3 ,
"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
3. 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.
SCIA0769E
SAT494G

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-215
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
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 >> GO TO 2.
NG >> Refill ATF.
2.CHECK LINE PRESSURE
Check line pressure at idle with selector lever in “R” position. Refer
to AT- 6 7 , "
Line Pressure Test" .
OK or NG
OK >> GO TO 3.
NG >>1.Remove control valve assembly. Refer to AT- 4 1 3 ,
"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- 1 6 3 , "DTC P0745
LINE PRESSURE SOLENOID VALVE" : Euro-OBD)
3. Disassemble A/T.
4. Check the following item:
–Oil pump assembly
SAT638A
SAT494G

AT-216
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
3. CHECK STALL TEST
Check stall revolution with selector lever in “1” and “R” positions.
Refer to AT- 6 4 , "
Stal l Tes t" .
OK or NG
OK >> GO TO 4.
OK in “1” position, NG in “R” position>>1.Remove control valve
assembly. Refer to AT- 4 1 3 , "
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- 1 6 3 , "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>>GO TO 6.
4. CHECK A/T FLUID CONDITION
1. Remove oil pan.
2. Check A/T fluid condition.
OK or NG
OK >> GO TO 5.
NG >> GO TO 6.
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.
SAT493G
SAT171B

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-217
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
6.DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT- 4 1 3 , "
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-163, "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
–Forward clutch assembly
–Overrun clutch assembly
OK or NG
OK >> GO TO 5.
NG >> Repair or replace damaged parts.

AT-218
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
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 >> GO TO 2.
NG >> Refill ATF.
2. CHECK LINE PRESSURE
Check line pressure at idle with selector lever in “D” position. Refer
to AT-67, "
Line Pressure Test" .
OK or NG
OK >> GO TO 3.
NG >> 1. Remove control valve assembly. Refer to AT- 4 1 3 ,
"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- 1 6 3 , "DTC P0745
LINE PRESSURE SOLENOID VALVE" : Euro-OBD)
3. Disassemble A/T.
4. Check the following item:
–Oil pump assembly
3. CHECK STALL TEST
Check stall revolution with selector lever in “D” position. Refer to AT-
64, "Stal l Te st" .
OK or NG
OK >> GO TO 4.
NG >> GO TO 6.
SAT638A
SAT494G
SAT493G

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-219
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
4.CHECK A/T FLUID CONDITION
1. Remove oil pan.
2. Check A/T fluid condition.
OK or NG
OK >> GO TO 5.
NG >> GO TO 6.
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. Disassemble A/T.
2. Check the following items:
–Oil pump assembly
–Forward clutch assembly
–Forward one-way clutch
–Low one-way clutch
–Reverse clutch assembly
–High clutch assembly
OK or NG
OK >> GO TO 5.
NG >> Repair or replace damaged parts.
SAT171B

AT-220
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
Vehicle Cannot Be Started From D
1ECS004T1
SYMPTOM:
Vehicle cannot be started from D
1 on Cruise test — Part 1.
1. CHECK SYMPTOM
Is Vehicle Does Not Creep Backward In “R” Position OK?
Ye s o r N o
Yes >> GO TO 2.
No >> Go to AT- 2 1 5 , "
Vehicle Does Not Creep Backward In “R” Position" .
2. CHECK SELF-DIAGNOSTIC RESULTS
Does self-diagnosis show damage to vehicle speed sensor·A/T (revolution sensor), shift solenoid valve A, B,
overrun clutch solenoid valve, torque converter clutch solenoid valve or vehicle speed sensor·MTR after cruise
test?
Ye s o r N o
Ye s > >●Check damaged circuit. Refer to the following items.
Euro-OBD
–AT- 1 2 2 , "DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR)"
–AT- 1 5 8 , "DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE"
–AT- 1 7 0 , "DTC P0750 SHIFT SOLENOID VALVE A"
–AT- 1 7 5 , "DTC P0755 SHIFT SOLENOID VALVE B"
–AT- 1 8 5 , "DTC P1760 OVERRUN CLUTCH SOLENOID VALVE"
–AT- 3 5 8 , "DTC VEHICLE SPEED SENSOR MTR"
No >> GO TO 3.
3. CHECK ACCELERATOR PEDAL POSITION (APP) SENSOR
Check accelerator pedal position (APP) sensor. Refer to AT- 1 8 0 ,
"DTC P1705 ACCELERATOR PEDAL POSITION (APP) SENSOR"
— Euro-OBD
OK or NG
OK >> GO TO 4.
NG >> Repair or replace accelerator pedal position (APP) sen-
sor.
4. CHECK LINE PRESSURE
Check line pressure at stall point with selector lever in “D” position.
Refer to AT- 6 7 , "
Line Pressure Test" .
OK or NG
OK >> GO TO 5.
NG >> GO TO 8.
PBIB0498E
SAT494G

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-221
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
5.CHECK A/T FLUID CONDITION
1. Remove oil pan.
2. Check A/T fluid condition.
OK or NG
OK >> GO TO 6.
NG >> GO TO 8.
6.DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT- 4 4 8 , "
Control Valve Assembly" .
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 >> GO TO 7.
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.
SAT171B

AT-222
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
8. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT- 4 1 3 , "
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:
–High clutch assembly
–Torque converter
–Oil pump assembly
–Reverse clutch assembly
–Low & reverse clutch assembly
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.