2001 NISSAN X-TRAIL clutch

AT-230
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
A/T Does Not Hold Lock-up Condition
ECS004T6
SYMPTOM:
A/T does not hold lock-up condition for more than 30 seconds.
1. CHECK DIAGNOSTIC RESULTS
Does self-diagnosis show damage to engine speed signal circuit
after cruise test?
Ye s o r N o
Yes >> Check engine speed signal circuit. Refer to AT- 1 2 7 ,
"DTC P0725 ENGINE SPEED SIGNAL" (Euro-OBD).
No >> GO TO 2.
2. CHECK A/T FLUID CONDITION
1. Remove oil pan.
2. Check A/T fluid condition.
OK or NG
OK >> GO TO 3.
NG >> GO TO 5.
3. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT- 4 1 3 , "
Installation" .
2. Check the following items:
–Torque converter clutch control valve
–Pilot valve
–Pilot filter
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts.
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.
SCIA0773E
SAT171B

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-231
[EURO-OBD]
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5.DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT- 4 1 3 , "
Installation" .
2. Check the following items:
–Torque converter clutch control valve
–Pilot valve
–Pilot filter
3. Disassemble A/T.
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-233
[EURO-OBD]
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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 D4 to D3 .
●Vehicle does not decelerate by engine brake when turning overdrive control switch OFF.
●Vehicle does not decelerate by engine brake when shifting A/T from “D” to “2” position.
1.CHECK SELF-DIAGNOSTIC RESULTS
Does self-diagnosis show damage to overrun clutch solenoid valve
circuit after cruise test?
Ye s o r N O
Yes >> Check overrun clutch solenoid valve circuit. Refer to AT-
185, "DTC P1760 OVERRUN CLUTCH SOLENOID
VA LV E" (Euro-OBD).
No >> GO TO 2.
2.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 3.
NG >> Repair or replace accelerator pedal position (APP) sen-
sor. (AT- 1 8 0 , "
DTC P1705 ACCELERATOR PEDAL
POSITION (APP) SENSOR" : Euro-OBD)
3.CHECK A/T FLUID CONDITION
1. Remove oil pan.
2. Check A/T fluid condition.
OK or NG
OK >> GO TO 4.
NG >> GO TO 6.
SCIA0774E
PBIB0498E
SAT171B

AT-234
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
4. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT- 4 1 3 , "
Installation" .
2. Check the following items:
–Overrun clutch control valve
–Overrun clutch reducing valve
–Overrun clutch solenoid valve (AT- 1 8 5 , "DTC P1760 OVERRUN CLUTCH SOLENOID VALVE" : Euro-
OBD)
OK or NG
OK >> GO TO 5.
NG >> Repair or replace damaged parts.
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 AT- 4 1 3 , "
Installation" .
2. Check the following items:
–Overrun clutch control valve
–Overrun clutch reducing valve
–Overrun clutch solenoid valve (AT- 1 8 5 , "DTC P1760 OVERRUN CLUTCH SOLENOID VALVE" : Euro-
OBD)
3. Disassemble A/T.
4. Check the following item:
–Overrun clutch assembly
OK or NG
OK >> GO TO 5.
NG >> Repair or replace damaged parts.
Vehicle Does Not Start From D1ECS004T9
SYMPTOM:
Vehicle does not start from D
1 on Cruise test — Part 2.
1. 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 > >●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 7 0 , "DTC P0750 SHIFT SOLENOID VALVE A"
–AT- 1 7 5 , "DTC P0755 SHIFT SOLENOID VALVE B"
–AT- 1 9 9 , "DTC VEHICLE SPEED SENSOR MTR"
No >> GO TO 2.
SCIA0775E

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-239
[EURO-OBD]
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4.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 5.
5.DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT- 4 1 3 , "
Installation" .
2. Check the following items:
–Overrun clutch control valve
–Shift solenoid valve A
3. Disassemble A/T.
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.
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
SAT778B

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-241
[EURO-OBD]
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4.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 5.
5.DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT- 4 1 3 , "
Installation" .
2. Check the following items:
–Overrun clutch control valve
–Shift solenoid valve A
3. Disassemble A/T.
4. Check the following items:
–Overrun clutch assembly
–Low & reverse bake assembly
OK or NG
OK >> GO TO 6.
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.
TCM Self-diagnosis Does Not ActivateECS004TE
SYMPTOM:
O/D OFF indicator lamp does not come on in TCM self-diagnostic procedure even if the lamp circuit is
good.
SAT171B
SAT778B

AT-248
[EXC.F/EURO-OBD]
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
CAUTION:
If malfunction is detected in multiple systems including CAN communication line, CAN communication line trouble diagnosis
shall be performed first.Revolution sensor VHCL SPEED SEN·A/T
●TCM does not receive the proper voltage sig-
nal from the sensor.
Vehicle speed sensor
(Meter)VHCL SPEED SEN·MTR
●TCM does not receive the proper voltage sig-
nal from the sensor.
Accelerator pedal posi-
tion (APP) sensorTHROTTLE POSI SEN
●TCM receives an excessively low or high volt-
age from the sensor.
Shift solenoid valve A SHIFT SOLENOID/V A
●TCM detects an improper voltage drop when it
tries to operate the solenoid valve.
Shift solenoid valve B SHIFT SOLENOID/V B
●TCM detects an improper voltage drop when it
tries to operate the solenoid valve.
Overrun clutch solenoid
valveOVERRUN CLUTCH S/V
●TCM detects an improper voltage drop when it
tries to operate the solenoid valve.
T/C clutch solenoid valve T/C CLUTCH SOL/V
●TCM detects an improper voltage drop when it
tries to operate the solenoid valve.
A/T fluid temperature sen-
sorBATT/FLUID TEMP SEN
●TCM receives an excessively low or high volt-
age from the sensor.To be displayed in case
of abnormality and when
no recording is made.
Engine speed signal ENGINE SPEED SIG
●TCM does not receive the proper voltage sig-
nal from the ECM.
Line pressure solenoid
valveLINE PRESSURE S/V
●TCM detects an improper voltage drop when it
tries to operate the solenoid valve.
CAN communication CAN COMM CIRCUIT
●When malfunction is detected in CAN commu-
nication line.
TCM (RAM) CONTROL UNIT (RAM)
●TCM memory (RAM) is malfunctioningRefer to AT-351, "
TCM
TERMINALS AND REF-
ERENCE VALUE"
TCM (ROM) CONTROL UNIT (ROM)●TCM memory (ROM) is malfunctioningRefer to AT-351, "
TCM
TERMINALS AND REF-
ERENCE VALUE"
TCM (EEP ROM) CONT UNIT (EEP ROM)●TCM memory (EEP ROM) is malfunctioning.Refer to AT-351, "
TCM
TERMINALS AND REF-
ERENCE VALUE"
Detected items
(Screen terms for CONSULT-II, “SELF DIAGNOSIS”
test mode)Malfunction is detected when... Remarks
Item Display

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
AT-251
[EXC.F/EURO-OBD]
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CAN circuit 3CAN CIRC 3
[OK/UNKWN]—X—
CAN circuit 4CAN CIRC 4
[OK/UNKWN]—X—
CAN circuit 5CAN CIRC 5
[OK/UNKWN]—X—
Throttle position THROTTLE
POSI
[/8]—— X
●Throttle position data,
used for computation
by TCM, is displayed.●A specific value used
for control is displayed
if fail-safe is activated
due to error.
Stop lamp switch BRAKE SW
[ON/OFF]
X——
●ON/OFF status is dis-
played.
ON... Brake pedal is
depressed.
OFF... Brake pedal is
released.
Line pressure duty LINE PRES DTY
[%]
—— X
●Control value of line
pressure solenoid
valve, computed by
TCM from each input
signal, is displayed.
Torque converter
clutch solenoid
valve dutyTCC S/V DUTY
[%]
—— X
●Control value of torque
converter clutch sole-
noid valve, computed
by TCM from each
input signal, is dis-
played.
Shift solenoid
valve ASHIFT S/V A
[ON/OFF]
—— X
●Control value of shift
solenoid valve A, com-
puted by TCM from
each input signal, is
displayed.Control value of sole-
noid is displayed even if
solenoid circuit is dis-
connected.
The OFF signal is dis-
played if solenoid circuit
is shorted. Shift solenoid
valve BSHIFT S/V B
[ON/OFF]
—— X
●Control value of shift
solenoid valve B, com-
puted by TCM from
each input signal, is
displayed.
Overrun clutch
solenoid valveOVERRUN/C S/
V
[ON/OFF]
—— X
●Control value of over-
run clutch solenoid
valve computed by
TCM from each input
signal is displayed.
Self-diagnosis dis-
play lamp
(O/D OFF indica-
tor lamp)SELF-D DP LMP
[ON/OFF]
—— X
●Control status of O/D
OFF indicator lamp is
displayed.
Voltage [V] — — — Value measured by voltage probe is displayed.
Frequency [Hz] — — —Value measured by pulse probe is displayed. If mea-
s u re me nt is im pos si bl e, “# ” si gn i s di sp la y ed. “ # ” si gn
is also displayed at the final data value until the mea-
surement result is obtained. Item Displaymove to center Monitor items
Description Remarks
TCM
Input
signalsCAN
comm
sig-
nalsMain
signalsSelection
from
menu