2003 NISSAN X-TRAIL Atf

AT-284
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION

Large shock changing from “12 ” to “11
” in “1” position.ON vehicle 1. Control valve assemblyAT-404
OFF vehicle 2. Low & reverse brakeAT-483
Transmission overheats. ON vehicle1. Fluid levelAT-256
2. Engine idling rpmEC-506
3. Accelerator pedal position (APP) sensorAT-345
4. Line pressure testAT-260
5. Line pressure solenoid valveAT-387
6. Control valve assemblyAT-404
Transmission overheats. OFF vehicle7. Oil pumpAT-443
8. Reverse clutchAT-464
9. High clutchAT-469
10. Brake bandAT-497
11. Forward clutchAT-475
12. Overrun clutchAT-475
13. Low & reverse brakeAT-483
14. Torque converterAT-423
ATF shoots out during operation.
White smoke emitted from exhaust
pipe during operation.ON vehicle 1. Fluid levelAT-256
OFF vehicle2. Reverse clutchAT-464
3. High clutchAT-469
4. Brake bandAT-497
5. Forward clutchAT-475
6. Overrun clutchAT-475
7. Low & reverse brakeAT-483
Offensive smell at fluid charging pipe.ON vehicle 1. Fluid levelAT-256OFF vehicle2. Torque converterAT-423
3. Oil pumpAT-443
4. Reverse clutchAT-464
5. High clutchAT-469
6. Brake bandAT-497
7. Forward clutchAT-475
8. Overrun clutchAT-475
9. Low & reverse brakeAT-483
Torque converter is not locked up. ON vehicle1. Accelerator pedal position (APP) sensorAT-345
2. Vehicle speed sensor·A/T (Revolution
sensor) and vehicle speed sensor·MTRAT-332, AT-339
3. Engine speed signalAT-382
4. A/T fluid temp sen circ and TCM pow
sourAT-374
5. Line pressure testAT-260
6. Torque converter clutch solenoid valveAT-368
7. Control valve assemblyAT-404
Torque converter is not locked up. OFF vehicle 8. Torque converterAT-423
Symptom Condition Diagnostic Item Reference Page

AT-288
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION

*1: These terminals are connected to the ECM.
*2: These terminals are connected to the data link connector.34 W/GPNP switch “D”
position
and When setting selector lever to “D”
position.Battery voltage
When setting selector lever to other
positions.0V
35 Y/GPNP switch “R”
positionWhen setting selector lever to “R”
position.Battery voltage
When setting selector lever to other
positions.0V
36 GPNP switch “N” or
“P” positionWhen setting selector lever to “N” or
“P” position.Battery voltage
When setting selector lever to other
positions.0V
39 *1 L/OREngine speed sig-
nal
and Refer to EC-95, "
ECM INSPECTION
TABLE" .—
40 L/BVehicle speed
sensorWhen moving vehicle at 2 to 3 km/h
(1 to 2 MPH) for 1 m (3 ft) or more.Voltage varies
between less
than 0V and
more than 4.5V
41 G/YThrottle position
sensorWhen depressing accelerator pedal
slowly after warming up engine.
(Voltage rises gradually in response
to throttle position.)Fully-closed
throttle: 0.5V
Fully-open throt-
tle: 4V
42 B Sensor ground Always 0V
47 BRA/T fluid tempera-
ture sensorWhen ATF temperature is 20°C
(68°F).1.5V
When ATF temperature is 80°C
(176°F).0.5V
48 B Ground Always 0V Te r m i -
nal No.Wire color Item ConditionJudgementstan-
dard(Approx.)

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-295
[EXC.F/EURO-OBD]
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In “N” Position, Vehicle MovesECS00EBH
SYMPTOM:
Vehicle moves forward or backward when selecting “N” position.
1. ADJUST CONTROL CABLE
Check control cable. Refer to AT- 4 0 9 , "
Control Cable Adjustment" .
OK or NG
OK >> GO TO 2.
NG >> Adjust control cable. Refer to AT- 4 0 9 , "
Control Cable
Adjustment" .
2. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 1 6 , "
Checking A/T Fluid" .
OK or NG
OK >> GO TO 3.
NG >> Refill ATF.
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- 2 5 6 , "
FLUID CONDITION
CHECK" .
OK or NG
OK >> GO TO 4.
NG >> 1. Disassemble A/T. Refer to AT- 4 2 4 , "
Disassembly" .
2. Check the following items:
–Forward clutch assembly. Refer to AT- 4 7 5 , "Forward
and Overrun Clutches" .
–Overrun clutch assembly. Refer to AT- 4 7 5 , "Forward
and Overrun Clutches" .
–Reverse clutch assembly. Refer to AT- 4 6 4 , "Reverse
Clutch" .
4. CHECK SYMPTOM
Check again. Refer to AT- 2 6 4 , "
2. CHECK AT IDLE" .
OK or NG
OK >>INSPECTION END
NG >> 1. Perform TCM input/output signal inspection. Refer to AT- 2 8 6 , "
TCM Terminals and Reference
Va l u e" .
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
SAT023JB
SAT638A
SAT171B

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-297
[EXC.F/EURO-OBD]
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Vehicle Does Not Creep Backward In “R” PositionECS00EBJ
SYMPTOM:
Vehicle does not creep backward when selecting “R” position.
1. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 1 6 , "
Checking A/T Fluid" .
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- 2 6 0 , "
Line Pressure Test" .
OK or NG
OK >> GO TO 3.
NG >> 1. Remove control valve assembly. Refer to AT- 4 0 4 ,
"Control Valve Assembly and Accumulators" .
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. Disassemble A/T. Refer to AT- 4 2 4 , "
Disassembly" .
4. Check the following item:
–Oil pump assembly. Refer to AT- 4 4 3 , "Oil Pump" .
3. CHECK STALL TEST
Check stall revolution with selector lever in 1 and R positions.
Refer to AT- 2 5 7 , "
Stal l Te st" .
OK or NG
OK >> GO TO 4.
OK in “1” position, NG in R position>>1.Disassemble A/T. Refer to
AT- 4 2 4 , "
Disassembly" .
2. Check the following items:
–Reverse clutch assembly. Refer to AT- 4 6 4 , "Reverse
Clutch" .
–Low & reverse brake assembly. Refer to AT- 4 8 3 , "Low
& Reverse Brake" .
NG in both “1” and “R” positions>>GO TO 6.
SAT638A
SAT494G
SAT493G

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-299
[EXC.F/EURO-OBD]
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Vehicle Does Not Creep Forward In “D”, “2” Or “1” PositionECS00EBK
SYMPTOM:
Vehicle does not creep forward when selecting “D”, “2” or “1” position.
1. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 1 6 , "
Checking A/T Fluid" .
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- 2 6 0 , "
Line Pressure Test" .
OK or NG
OK >> GO TO 3.
NG >> 1. Remove control valve assembly. Refer to AT- 4 0 4 ,
"Control Valve Assembly and Accumulators" .
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. Disassemble A/T. Refer to AT- 4 2 4 , "
Disassembly" .
4. Check the following item:
–Oil pump assembly. Refer to AT- 4 4 3 , "Oil Pump" .
3. CHECK STALL TEST
Check stall revolution with selector lever in D position. Refer to AT-
257, "Stall Test" .
OK or NG
OK >> GO TO 4.
NG >> GO TO 6.
SAT638A
SAT494G
SAT493G

BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM POW-
ER SOURCE)
AT-377
[ALL]
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TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL
Diagnostic ProcedureECS004UA
1. CHECK TCM POWER SOURCE
1. Turn ignition switch ON. (Do not start engine.)
2. Check voltage between TCM connector and ground.
3. Turn ignition switch OFF.
4. Check voltage between TCM connector and ground.
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
Te r m i -
nal No.Wire color Item ConditionJudgement stan-
dard
(Approx.)
10 BR/W Power source
or When turning ignition switch to “ON”. Battery voltage
When turning ignition switch to
“OFF”.0V
19 BR/W Power source Same as No. 10
28 LPower source
(Memory back-up)Always Battery voltage
42 B Sensor ground Always 0V
47 BRA/T fluid tempera-
ture sensorWhen ATF temperature is 20°C
(68°F).1.5V
When ATF temperature is 80°C
(176°F).0.5V
Name Connec-
tor No. Terminal
No. (Wire
color)Judgement standard (Approx.)
Power source F4610 (BR/W) Battery voltage
19 (BR/W) Battery voltage
Power source
(Memory back-up)F47 28 (L) Battery voltage
SCIA2656E
Name Connec-
tor No. Terminal
No. (Wire
color)Judgement standard (Approx.)
Power source F4610 (BR/W) 0V
19 (BR/W) 0V
Power source
(Memory back-up)F47 28 (L) Battery voltage
SCIA2657E

AT-378
[ALL]
BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM POW-
ER SOURCE)

2. DETECT MALFUNCTIONING ITEM
Check the following items:

Harness for short or open between ignition switch and TCM terminal 10, 19

Harness for short or open between battery and TCM terminal 28

Fuse

Ignition switch. Refer to PG-2, "POWER SUPPLY ROUTING" .
OK or NG
OK >> GO TO 9.
NG >> Repair or replace damaged parts.
3. CHECK INPUT SIGNAL OF A/T FLUID TEMPERATURE SENSOR
With CONSULT-II
1. Start engine.
2. Select “TCM INPUT SIGNALS” in “DATA MONITOR” mode for “A/T” with CONSULT-II.
3. Read out the value of “FLUID TEMP SE”.
Without CONSULT-II
1. Start engine.
2. Check voltage TCM connector while warming up A/T.
OK or NG
OK >> GO TO 9.
NG >> GO TO 4.
4. DETECT MALFUNCTIONING ITEM
Check the following items:

Harness for short or open between TCM, ECM and terminal cord assembly

Ground circuit for ECM
Refer to PG-2, "
POWER SUPPLY ROUTING" .
OK or NG
OK >> GO TO 5.
NG >> Repair or replace damaged parts.
Monitor item Condition Display value
FLUID TEMP
SEWhen ATF temperature is 20°C (68°F). 1.5V
When ATF temperature is 80°C (176°F). 0.5V
LCIA0090E
Name Connec-
tor No. Terminal
No. (Wire
color) ConditionJudge-
ment stan-
dard
(Approx.)
A/T fluid
temperature
sensor F47 47 (BR) -
42 (B)When ATF temperature
is 20°C (68°F).1.5V
When ATF temperature
is 80°C (176°F).0.5V
SCIA2658E

ON-VEHICLE SERVICE
AT-405
[ALL]
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REMOVAL AND INSTALLATION
Removal
1. Disconnect negative battery terminal.
2. Drain ATF from transaxle. Refer to MA-39, "
Changing A/T Fluid"
.
3. Remove oil pan and gasket.
4. Disconnect terminal cord assembly harness connector.
5. Remove snap ring from terminal body.
6. Remove terminal cord assembly by pushing terminal body into
transaxle case.
SAT992C
SCIA4853E
SCIA0789E