2001 NISSAN X-TRAIL cruise control

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-229
[EURO-OBD]
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A/T Does Not Perform Lock-upECS004T5
SYMPTOM:
A/T does not perform lock-up at the specified speed.
1.CHECK SELF-DIAGNOSTIC RESULTS
Does self-diagnosis show damage to A/T fluid temperature sensor, vehicle speed sensor·A/T (revolution sen-
sor), engine speed signal or torque converter clutch solenoid valve circuit after cruise test?
Ye s o r N o
Yes >> Check damaged circuit. Refer to AT- 1 5 8 , "DTC P0740 TORQUE CONVERTER CLUTCH SOLE-
NOID VALVE" , AT- 11 6 , "DTC P0710 A/T FLUID TEMPERATURE SENSOR CIRCUIT" , AT- 1 2 2 ,
"DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR)" , AT- 1 2 7 , "DTC P0725
ENGINE SPEED SIGNAL" .— 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.
3.DETECT MALFUNCTIONING ITEM
1. Remove control valve. Refer to AT-413, "
Installation" .
2. Check the following items:
–Torque converter clutch control valve
–Torque converter relief valve
–Pilot valve
–Pilot filter
3. Disassemble A/T.
4. Check torque converter.
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.
PBIB0498E

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-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

AT-250
[EXC.F/EURO-OBD]
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
1 position switch 1 POSITION SW
[ON/OFF]
X——●ON/OFF status, com-
puted from signal of 1
position SW, is dis-
played.
ASCD cruise sig-
nalASCD·CRUISE
[ON/OFF]
X——
●Status of ASCD cruise
signal is displayed.
ON... Cruising state
OFF... Normal running
state●This is displayed even
when no ASCD is
mounted.
ASCD OD cut sig-
nalASCD·OD CUT
[ON/OFF]
X——
●Status of ASCD OD
release signal is dis-
played.
ON... OD released
OFF... OD not released●This is displayed even
when no ASCD is
mounted.
Kickdown switch KICKDOWN SW
[ON/OFF]
X——
●ON/OFF status, com-
puted from signal of
kick down SW, is dis-
played.●This is displayed even
when no kick down
switch is equipped.
Closed throttle
position signalCLOSED THL/
SW
[ON/OFF]X——
●ON/OFF status, com-
puted from signal of
closed throttle position
signal, is displayed.●This means closed
throttle position signal
input via CAN com-
munication line.
Wide open throttle
position signalW/O THRL/P-
SW
[ON/OFF]
X——
●ON/OFF status, com-
puted from signal of
wide open throttle posi-
tion signal, is dis-
played.●This means wide
open throttle position
signal input via CAN
communication line.
Gear position GEAR
—— X
●Gear position data
used for computation
by TCM, is displayed.
Selector lever
positionSLCT LVR POSI
—— X
●Selector lever position
data, used for compu-
tation by TCM, is dis-
played.●A specific value used
for control is displayed
if fail-safe is activated
due to error.
Vehicle speed VEHICLE
SPEED
[km/h] or [mph]—— X
●Vehicle speed data,
used for computation
by TCM, is displayed.
Torque converter
slip ratioTC SLIP
RATIO
[0.000]———
●Ratio of engine revolu-
tion to input shaft revo-
lution of torque
converter
Torque converter
slip speedTC SLIP
SPEED
[rpm]———Difference in revolution
between input shaft revo-
lution and input shaft rev-
olution of torque
converterDisplay doesn't indicate
o rpm even if engine is
stopped.
But this isn't malfunc-
tion.
CAN communica-
tionCAN COMM
[OK/NG]—X—
CAN circuit 1CAN CIRC 1
[OK/UNKWN]—X—
CAN circuit 2CAN CIRC 2
[OK/UNKWN]—X— Item Displaymove to center Monitor items
Description Remarks
TCM
Input
signalsCAN
comm
sig-
nalsMain
signalsSelection
from
menu

TROUBLE DIAGNOSIS — INTRODUCTION
AT-261
[EXC.F/EURO-OBD]
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4. 4-3. Cruise testAT- 2 7 5 , "3.
CRUISE
TEST",
AT- 2 7 9 ,
"Cruise Test
— Part 1"
Part-1
❏ Vehicle Cannot Be Started From D
1 , AT- 3 2 3 .
❏ A/T Does Not Shift: D
1→ D2 Or Does Not Kickdown: D4→ D2 , AT- 3 2 6 .
❏ A/T Does Not Shift: D
2→ D3 , AT-328 .
❏ A/T Does Not Shift: D
3→ D4 , AT-330 .
❏ A/T Does Not Perform Lock-up,AT- 3 3 2
.
❏ A/T Does Not Hold Lock-up Condition, AT-333
.
❏ Lock-up Is Not Released, AT-335
.
❏ Engine Speed Does Not Return To Idle (Light Braking D
4→ D3 ), AT- 3 3 6 .
Part-2AT- 2 8 2 ,
"Cruise Test
— Part 2"❏ Vehicle Does Not Start From D1 , AT-338 .
❏ A/T Does Not Shift: D
1→ D2 Or Does Not Kickdown: D4→ D2 , AT- 3 2 6 .
❏ A/T Does Not Shift: D
2→ D3 , AT-328 .
❏ A/T Does Not Shift: D
3→ D4 , AT-330 .
Part-3AT- 2 8 4 ,
"Cruise Test
— Part 3"❏ A/T Does Not Shift: D4→ D3 When Overdrive Control Switch “ON” → “OFF”, AT- 3 3 9 .
❏ Engine Speed Does Not Return To Idle (Engine Brake In D
3 ), AT-336 .
❏ A/T Does Not Shift: D
3→ 22 , When Selector Lever “D” → “2” Position, AT- 3 4 0 .
❏ Engine Speed Does Not Return To Idle (Engine Brake In 2
2 ),AT- 3 3 6 .
❏ A/T Does Not Shift: 2
2→ 11 , When Selector Lever “2” → “1” Position, AT- 3 4 1 .
❏ Vehicle Does Not Decelerate By Engine Brake, AT-343
.
❏ TCM Self-diagnosis Does Not Activate (PNP & Overdrive Control Switches, and throttle position sensor
Circuit Checks), AT- 3 4 4
.
❏ SELF-DIAGNOSTIC PROCEDURE — Mark detected items.
❏ Vehicle speed sensor·A/T (Revolution sensor), AT- 3 5 3
.
❏ Vehicle speed sensor·MTR, AT-358
.
❏ Accelerator pedal position (APP) sensor, AT-362
.
❏ Shift solenoid valve A, AT- 3 6 7
.
❏ Shift solenoid valve B, AT- 3 7 2
.
❏ Overrun clutch solenoid valve, AT- 3 7 7
.
❏ Torque converter clutch solenoid valve, AT-381
.
❏ Batt/fluid temp sen (A/T fluid temperature sensor and TCM power source), AT- 3 8 6
.
❏ Engine speed signal, AT- 3 9 2
.
❏ Line pressure solenoid valve, AT-396
.
❏ CAN communication line, AT- 4 0 3
.
❏ Control unit (RAM), control unit (ROM), AT-203, "
DTC CONTROL UNIT (RAM), CONTROL UNIT
(ROM)" .
❏ Control unit (EEP ROM), AT-205, "
DTC CONTROL UNIT(EEPROM)" .
❏ PNP & overdrive control switches, and throttle position sensor, AT- 3 4 4
.
❏ Battery
❏ Others
5.❏ For self-diagnosis NG items, inspect each component. Repair or replace the damaged parts.AT- 2 5 3 ,
"SELF-DIAG-
NOSTIC
PROCE-
DURE
(WITHOUT
CONSULT-
II)"
6.❏ Perform all ROAD TEST and re-mark required procedures.AT- 2 6 9 ,
"Road Test"

TROUBLE DIAGNOSIS — BASIC INSPECTION
AT-279
[EXC.F/EURO-OBD]
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Cruise Test — Part 1
1.CHECK STARTING GEAR (D1 ) POSITION
1. Drive vehicle for approx. 10 minutes to warm engine oil and ATF up to operating
temperature.
2. Park vehicle on flat surface.
3. Set overdrive control switch to “ON” position.
4. Move selector lever to “P” position.
5. Start engine.
6. Move selector lever to “D” position.
7. Accelerate vehicle by constantly depressing accelerator pedal
halfway.
8. Does vehicle start from D
1 ?
Read gear position.
Ye s o r N o
Ye s > > G O T O 2 .
No >>
●Mark the box on the DIAGNOSTIC WORKSHEET.
●GO TO AT-323, "Vehicle Cannot Be Started From D1"
.
●Continue ROAD TEST. ATF operating temperature: 50 - 80°C (122 - 176°F)
SAT774B
SAT775B
SAT495G

AT-282
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSIS — BASIC INSPECTION
Cruise Test — Part 2
1. CHECK STARTING GEAR (D1 ) POSITION
1. Confirm overdrive control switch is in “ON” position.
2. Confirm selector lever is in “D” position.
3. Accelerate vehicle by half throttle again.
4. Does vehicle start from D
1 ?
Read gear position.
Ye s o r N o
Yes >> GO TO 2.
No >>
●Mark the box on the DIAGNOSTIC WORKSHEET.
●GO TO AT-338, "Vehicle Does Not Start From D1" .
●Continue ROAD TEST.
2. CHECK SHIFT UP AND SHIFT DOWN (D3 TO D4 TO D2 )
1. Accelerate vehicle to 80 km/h (50 MPH) as shown in illustration.
2. Release accelerator pedal and then quickly depress it fully.
3. Does A/T shift from D
4 to D2 as soon as accelerator pedal is depressed fully?
Read gear position and throttle position.
Ye s o r N o
Yes >> GO TO 3.
No >>
●Mark the box on the DIAGNOSTIC WORKSHEET.
●GO TO AT- 3 2 6 , "A/T Does Not Shift: D1→ D2 Or
Does Not Kick down: D4→ D2" .
●Continue ROAD TEST.
3. CHECK SHIFT UP (D2 TO D3 )
Does A/T shift from D
2 to D3 at the specified speed?
Read gear position, throttle position and vehicle speed.
Ye s o r N o
Yes >> GO TO 4.
No >>
●Mark the box on the DIAGNOSTIC WORKSHEET.
●GO TO AT-328, "A/T Does Not Shift: D2→ D3" .
●Continue ROAD TEST.
SAT495G
SAT404H
Specified speed when shifting from D2 to D3 :
Refer to AT-521, "
Shift Schedule" .
SAT960I