NISSAN X-TRAIL 2003 Service Repair Manual

DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM
POWER SOURCE)
AT-185
[EURO-OBD]
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3. Drive vehicle under the following conditions:
Selector lever in D, vehicle speed higher than 20 km/h (12
MPH).
WITH GST
Follow the procedure “WITH CONSULT-II”.
WITHOUT CONSULT-II
1. Start engine.
2. Drive vehicle under the following conditions.
Selector lever position: D position
Vehicle speed: higher than 20 km/h (12 MPH)
3. Perform self-diagnosis.
Refer to AT- 5 2 , "
Diagnostic Procedure Without CONSULT-II" .
4. If the check result is NG, go to AT- 1 8 7 , "
Diagnostic Procedure" .
SCIA5358E
SCIA5598E

AT-186
[EURO-OBD]
DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM
POWER SOURCE)

Wiring Diagram — AT — BA/FTSECS004SJ
TCWA0235E

DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM
POWER SOURCE)
AT-187
[EURO-OBD]
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TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL
Diagnostic ProcedureECS004SK
1. CHECK TCM POWER SOURCE
1. Turn ignition switch ON. (Do not start engine.)
2. Check voltage between TCM connector terminal and ground.
3. Turn ignition switch OFF.
4. Check voltage between TCM connector terminal 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 sourceF46 10 (BR/W) Battery voltage
F46 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 sourceF46 10 (BR/W) 0V
F46 19 (BR/W) 0V
Power source
(Memory back-up)F47 28 (L) Battery voltage
SCIA2657E

AT-188
[EURO-OBD]
DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM
POWER SOURCE)

2. DETECT MALFUNCTIONING ITEM
Check the following items:

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

Harness for short or open between battery and TCM connector 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 terminals 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 harness connector

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

DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM
POWER SOURCE)
AT-189
[EURO-OBD]
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5. CHECK FLUID TEMPERATURE SENSOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect the TCM connector.
3. Check resistance between terminals.
OK or NG
OK >> GO TO 9.
NG >> GO TO 6.
6. CHECK HARNESS BETWEEN TCM AND TERMINAL CORD ASSEMBLY HARNESS CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect terminal cord assembly harness connector and TCM connector.
3. Check continuity between terminal cord assembly harness con-
nector terminals and TCM connector terminals.
4. If OK, check harness for short to ground and short to power.
5. If OK, check continuity between ground and transaxle assembly.
6. Reinstall any part removed.
OK or NG
OK >> GO TO 7.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
Name Connector
No. Terminal No.
(Wire color) Tempera-
ture °C (°F) Resistance
(KΩ) (Approx.)
A/T fluid
tempera-
ture sensor F47 47 (BR) - 42 (B) 20 (68) 2.5
80 (176) 0.3
SCIA2338E
Item Connector No.Terminal No.
(Wire color)Continuity
TCM F47 42 (B)
Ye s
Terminal cord assembly
harness connectorF23 7 (B)
Item Connector No.Terminal No.
(Wire color)Continuity
TCM F47 47 (BR)
Ye s
Terminal cord assembly
harness connectorF23 6 (BR)
SCIA2660E

AT-190
[EURO-OBD]
DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM
POWER SOURCE)

7. CHECK A/T FLUID TEMPERATURE SENSOR WITH TERMINAL CORD ASSEMBLY
1. Turn ignition switch OFF.
2. Disconnect terminal cord assembly harness connector in engine room.
3. Check resistance between terminal cord assembly harness con-
nector terminals when A/T is cold.
4. Reinstall any part removed.
OK or NG
OK >> GO TO 8.
NG >> Repair or replace damaged parts.
8. DETECT MALFUNCTIONING ITEM
1. Remove oil pan. Refer toAT- 4 0 4 , "
Control Valve Assembly and Accumulators" .
2. Check the following items:
–A/T fluid temperature sensor
 Check resistance between two terminals while changing temper-
ature as shown.
–Harness of terminal cord assembly for short or open
OK or NG
OK >> GO TO 9.
NG >> Repair or replace damaged parts.
9. CHECK DTC
Perform AT- 1 8 4 , "
DTC Confirmation Procedure" .
OK or NG
OK >>INSPECTION END
NG >> GO TO 10.
10. CHECK TCM
1. Check TCM input/output signal. Refer to AT- 9 4 , "
TCM Terminals and Reference Value" .
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.
Temperature °C (°F) Resistance
20 (68) Approx. 2.5 kΩ
80 (176) Approx. 0.3 kΩ
SCIA4948E
Temperature °C (°F) Resistance
20 (68) Approx. 2.5 kΩ
80 (176) Approx. 0.3 kΩ
SCIA5683E

DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM
POWER SOURCE)
AT-191
[EURO-OBD]
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Component InspectionECS004SL
A/T FLUID TEMPERATURE SENSOR

For removal, refer to AT- 4 0 4 , "Control Valve Assembly and
Accumulators" .

Check resistance between two terminals while changing temper-
ature as shown.
Temperature °C (°F) Resistance
20 (68) Approximately 2.5 kΩ
80 (176) Approximately 0.3 kΩ
SCIA5683E

AT-192
[EURO-OBD]
DTC VEHICLE SPEED SENSOR MTR

DTC VEHICLE SPEED SENSOR MTRPFP:24814
DescriptionECS004SM
The vehicle speed sensor·MTR is built into the speedometer assem-
bly. The sensor functions as an auxiliary device to the revolution sen-
sor when it is malfunctioning. The TCM will then use a signal sent
from the vehicle speed sensor·MTR.
On Board Diagnosis LogicECS00CUR
Possible CauseECS00CUS
Check the following items.

Harness or connector
(The sensor circuit is open or shorted.)

Vehicle speed sensor
DTC Confirmation ProcedureECS00CUT
CAUTION:

Always drive vehicle at a safe speed.

If conducting this “DTC Confirmation Procedure” again, always turn ignition switch OFF and wait
at least 5 seconds before continuing.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
WITH CONSULT-II
1. Turn ignition switch ON and select “DATA MONITOR” mode for
“A/T” with CONSULT-II.
SCIA0716E
Diagnostic trouble code Malfunction is detected when... Check items (Possible cause)
: VHCL SPEED SEN·MTR
TCM does not receive the proper voltage
signal from the sensor.

Harness or connectors
(The sensor circuit is open or shorted.)

Combination meter

4WD/ABS control unit : 2nd judgement flicker
SAT014K

DTC VEHICLE SPEED SENSOR MTR
AT-193
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2. Start engine and accelerate vehicle from 0 to 25 km/h (0 to 16
MPH).
3. If the check result is NG, go to AT- 1 9 6 , "
Diagnostic Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-II”
WITHOUT CONSULT-II
1. Start engine.
2. Drive vehicle under the following conditions:
Selector lever in D and vehicle speed higher than 25 km/h (16
MPH).
3. Perform self-diagnosis.
Refer to AT- 5 2 , "
Diagnostic Procedure Without CONSULT-II" .
4. If the check result is NG, go to AT- 1 9 6 , "
Diagnostic Procedure" .
SCIA5358E
SCIA5592E

AT-194
[EURO-OBD]
DTC VEHICLE SPEED SENSOR MTR

Wiring Diagram — AT — VSSMTRECS004SN
LHD MODELS
TCWA0236E