Page 2321 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
AT-285
[EXC.F/EURO-OBD]
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Torque converter clutch piston slip.ON vehicle1. Fluid levelAT- 2 5 6
2. Accelerator pedal position (APP) NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
AT-285
[EXC.F/EURO-OBD]
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Torque converter clutch piston slip.ON vehicle1. Fluid levelAT- 2 5 6
2. Accelerator pedal position (APP)](/manual-img/5/57404/w960_57404-2320.png)
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
AT-285
[EXC.F/EURO-OBD]
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Torque converter clutch piston slip.ON vehicle1. Fluid levelAT- 2 5 6
2. Accelerator pedal position (APP) sensorAT- 3 4 5
3. Line pressure testAT- 2 6 0
4. Torque converter clutch solenoid valveAT- 3 6 8
5. Line pressure solenoid valveAT- 3 8 7
6. Control valve assemblyAT- 4 0 4
OFF vehicle 7. Torque converterAT- 4 2 3
Lock-up point is extremely high or low.
AT- 3 11ON vehicle1. Accelerator pedal position (APP) sensorAT- 3 4 5
2. Vehicle speed sensor·A/T (Revolution
sensor) and vehicle speed sensor·MTRAT- 3 3 2, AT-339
3. Torque converter clutch solenoid valveAT- 3 6 8
4. Control valve assemblyAT- 4 0 4
A/T does not shift to “D4 ” when driv-
ing with overdrive control switch “ON”.ON vehicle1. Accelerator pedal position (APP) sensorAT- 3 4 5
2. PNP switchAT- 3 2 4
3. Overdrive control switchAT- 3 2 4
4. Vehicle speed sensor·A/T (Revolution
sensor) and vehicle speed sensor·MTRAT- 3 3 2, AT-339
5. Shift solenoid valve AAT- 3 5 0
6. Overrun clutch solenoid valveAT- 3 6 2
7. Control valve assemblyAT- 4 0 4
8. A/T fluid temp sen circ and TCM pow
sourAT- 3 7 4
9. Line pressure testAT- 2 6 0
A/T does not shift to “D4 ” when driv-
ing with overdrive control switch “ON”.OFF vehicle10. Brake bandAT- 4 9 7
11. Overrun clutchAT- 4 7 5
Engine is stopped at “R”, “D”, “2” and
“1” positions.ON vehicle1. Fluid levelAT- 2 5 6
2. Torque converter clutch solenoid valveAT- 3 6 8
3. Shift solenoid valve AAT- 3 5 0
4. Shift solenoid valve BAT- 3 5 6
5. Control valve assemblyAT- 4 0 4
Symptom Condition Diagnostic Item Reference Page
Page 2322 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual AT-286
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
TCM Terminals and Reference ValueECS004VW
PREPARATION
Measure voltage between each terminal and terminal 25 or 48
by following “T NISSAN X-TRAIL 2003 Service Repair Manual AT-286
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
TCM Terminals and Reference ValueECS004VW
PREPARATION
Measure voltage between each terminal and terminal 25 or 48
by following “T](/manual-img/5/57404/w960_57404-2321.png)
AT-286
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
TCM Terminals and Reference ValueECS004VW
PREPARATION
Measure voltage between each terminal and terminal 25 or 48
by following “TCM INSPECTION TABLE”.
TCM HARNESS CONNECTOR TERMINAL LAYOUT
TCM INSPECTION TABLE
(Data are reference values.)
SAT216J
SCIA0495E
Te r m i -
nal No.Wire color Item ConditionJudgementstan-
dard(Approx.)
1R/WLine pressure
solenoid valveWhen releasing accelerator pedal
after warming up engine.1.5 - 3.0V
When depressing accelerator pedal
fully after warming up engine.0V
2P/BLine pressure
solenoid valve
(with dropping
resistor)When releasing accelerator pedal
after warming up engine.5 - 14V
When depressing accelerator pedal
fully after warming up engine.0V
3GY/RTorque converter
clutch solenoid
valveWhen A/T performs lock-up. 8 - 15V
When A/T does not perform lock-up. 0V
5 G/R CAN-H — —
6 GY/R CAN-L — —
10 BR/W Power source
or When turning ignition switch to “ON”. Battery voltage
When turning ignition switch to
“OFF”.0V
Page 2323 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
AT-287
[EXC.F/EURO-OBD]
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11 L / WShift solenoid
valve AWhen shift solenoid valve A oper-
ates.
(When driving in “D1 ” or “D4 NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
AT-287
[EXC.F/EURO-OBD]
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11 L / WShift solenoid
valve AWhen shift solenoid valve A oper-
ates.
(When driving in “D1 ” or “D4](/manual-img/5/57404/w960_57404-2322.png)
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
AT-287
[EXC.F/EURO-OBD]
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11 L / WShift solenoid
valve AWhen shift solenoid valve A oper-
ates.
(When driving in “D1 ” or “D4 ”.)Battery voltage
When shift solenoid valve A does not
operate.
(When driving in “D
2 ” or “D3 ”.)0V
12 L/YShift solenoid
valve BWhen shift solenoid valve B oper-
ates.
(When driving in “D
1 ” or “D2 ”.)Battery voltage
When shift solenoid valve B does not
operate.
(When driving in “D
3 ” or “D4 ”.)0V
19 BR/W Power source
or Same as No. 10
20 L/BOverrun clutch
solenoid valveWhen overrun clutch solenoid valve
operates.Battery voltage
When overrun clutch solenoid valve
does not operate.0V
25 B Ground Always 0V
26 BR/YPNP switch “1”
position
and When setting selector lever to “1”
position.Battery voltage
When setting selector lever to other
positions.0V
27 LPNP switch “2”
positionWhen setting selector lever to “2”
position.Battery voltage
When setting selector lever to other
positions.0V
28 LPower source
(Memory back-up)Always Battery voltage
29 W/R Revolution sensorWhen moving at 20 km/h (12 MPH) 450 Hz
When vehicle parks.Under 1.3V or
over 4.5V
30 *2 G/B CONSULT- II (RX) — —
31 *2 W CONSULT- II (TX) — —
32 *1 RThrottle position
sensor
(Power source)
or When turning ignition switch to “ON”. 4.5 - 5.5V
When turning ignition switch to
“OFF”.0V Termi-
nal No.Wire color Item ConditionJudgementstan-
dard(Approx.)
Page 2324 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual 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” NISSAN X-TRAIL 2003 Service Repair Manual 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”](/manual-img/5/57404/w960_57404-2323.png)
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.)
Page 2325 of 4179
TROUBLE DIAGNOSES FOR SYMPTOMS
AT-289
[EXC.F/EURO-OBD]
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TROUBLE DIAGNOSES FOR SYMPTOMSPFP:00100
Wiring Diagram — AT — NONDTCECS004V1
TCWA0238E
Page 2326 of 4179
AT-290
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
TCWA0239E
Page 2327 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSES FOR SYMPTOMS
AT-291
[EXC.F/EURO-OBD]
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O/D OFF Indicator Lamp Does Not Come OnECS00EBE
SYMPTOM:
O/D OFF indicator lamp does not come on for about 2 seconds
NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSES FOR SYMPTOMS
AT-291
[EXC.F/EURO-OBD]
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O/D OFF Indicator Lamp Does Not Come OnECS00EBE
SYMPTOM:
O/D OFF indicator lamp does not come on for about 2 seconds](/manual-img/5/57404/w960_57404-2326.png)
TROUBLE DIAGNOSES FOR SYMPTOMS
AT-291
[EXC.F/EURO-OBD]
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O/D OFF Indicator Lamp Does Not Come OnECS00EBE
SYMPTOM:
O/D OFF indicator lamp does not come on for about 2 seconds
when turning ignition switch to “ON”.
1. CHECK TCM POWER SOURCE
1. Turn ignition switch to ON. (Do not start engine.)
2. Check voltage between TCM connector terminals 10, 19, 28 and ground.
3. Turn ignition switch to OFF.
4. Check voltage between TCM connector terminal 28 and ground.
OK or NG
OK >> GO TO 2.
NG >> Check the following items:
Harness for short or open between ignition switch and
TCM connector terminals 10, 19 and 28
Refer to AT- 3 9 5 , "Wiring Diagram — AT — MAIN" .
Ignition switch and fuse Refer to PG-2, "POWER SUPPLY ROUTING" .
2. CHECK TCM GROUND CIRCUIT
1. Turn ignition switch to OFF.
2. Disconnect TCM connector.
3. Check continuity between TCM connector terminals 25, 48 and
ground.
If OK, check harness for short to ground and short to power.
OK or NG
OK >> GO TO 3.
NG >> Repair open circuit or short to ground or short to power
in harness or connectors. Refer to AT- 3 9 5 , "
Wiring Dia-
gram — AT — MAIN" .
3. CHECK COMBINATION METERS SYSTEM
Check combination meters system. Refer to DI-12, "
Combination Meter" .
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts.
SCIA4281E
Voltage: Battery voltage
Voltage: Battery voltage
SCIA0713E
Continuity should exist.
SCIA0766E
Page 2328 of 4179
AT-292
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
4. CHECK SYMPTOM
Check again. Refer to AT- 2 6 3 , "
1. CHECK BEFORE ENGINE IS STARTED" .
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.