Page 213 of 3066
DTC P1705 ACCELERATOR PEDAL POSITION (APP) SENSOR
AT-207
[EURO-OBD]
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3.CHECK INPUT SIGNAL (WITHOUT CONSULT-II)
Wi th ou t C O N S U LT-I I
1. Turn ignition switch to “ON” position.
(Do not start engine.)
2. Check voltage between TCM terminals 41 and 42 while accelerator pedal is depressed slowly.
(Voltage rises gradually in response to throttle position)
OK or NG
OK >> GOTO4
NG >> Check harness for short or open between ECM and
TCM regarding throttle position sensor circuit. (Main
harness)
4.CHECK DTC
Perform Diagnostic Trouble Code (DTC) confirmation procedure,AT-204, "
DIAGNOSTIC TROUBLE CODE
(DTC) CONFIRMATION PROCEDURE".
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. Vo l ta g e :
Fully-closed throttle valve : Approximately 0.5V
Fully-open throttle valve : Approximately 4V
SCIA0710E
Page 217 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P1760 OVERRUN CLUTCH SOLENOID VALVE
AT-211
[EURO-OBD]
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Diagnostic ProcedureECS004SB
1.CHECK VALVE RESISTANCE
1. Turn ignition switch to “OFF” position.
2. Disconnect t NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P1760 OVERRUN CLUTCH SOLENOID VALVE
AT-211
[EURO-OBD]
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Diagnostic ProcedureECS004SB
1.CHECK VALVE RESISTANCE
1. Turn ignition switch to “OFF” position.
2. Disconnect t](/manual-img/5/57402/w960_57402-216.png)
DTC P1760 OVERRUN CLUTCH SOLENOID VALVE
AT-211
[EURO-OBD]
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Diagnostic ProcedureECS004SB
1.CHECK VALVE RESISTANCE
1. Turn ignition switch to “OFF” position.
2. Disconnect terminal cord assembly connector in engine compartment.
3. Check resistance between terminal 3 and ground.
OK or NG
OK >> GO TO 2
NG >> 1. Remove control valve assembly. Refer toAT-454,
"REMOVAL".
2. Check the following items:
–Overrun clutch solenoid valve
Refer to “Component Inspection”,AT-212, "
Compo-
nent Inspection".
–Harness of terminal cord assembly for short or open
2.CHECK POWER SOURCE CIRCUIT
1. Turn ignition switch to “OFF” position.
2. Disconnect TCM harness connector.
3. Check continuity between terminal 3 and TCM harness connector terminal 20.
If OK, check harness for short to ground and short to power.
4. Reinstall any part removed.
OK or NG
OK >> GO TO 3
NG >> Repair open circuit or short to ground or short to power
in harness or connectors.
3.CHECK DTC
Perform Diagnostic Trouble Code (DTC) confirmation procedure,AT-209, "
DIAGNOSTIC TROUBLE CODE
(DTC) CONFIRMATION PROCEDURE".
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. Resistance : 20 - 30W
SCIA0727E
Continuity should exist.
SCIA0728E
Page 221 of 3066
DTC U1000 CAN COMMUNICATION LINE
AT-215
[EURO-OBD]
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Diagnostic ProcedureECS004SH
1.CHECK CAN COMMUNICATION CIRCUIT
With CONSULT-II
1. Turn ignition switch to “ON” position. (Do not start engine.)
2. Select “DATA MONITOR” mode for “A/T” with CONSULT-II.
3. The “CAN COMM CIRCUIT” is detected.
Ye s o r N o ?
Yes >> Print out CONSULT-II screen, GO TO 2.
No >> INSPECTION END
2.CHECK CAN COMMUNICATION SIGNALS
With CONSULT-II
1. Turn ignition switch to “ON” position. (Do not start engine.)
2. Select “CAN COMM SIGNALS” in “DATA MONITOR” mode for “A/T” with CONSULT-II.
>> Print out CONSULT-II screen, go toLAN-5, "
CAN SYSTEM (FOR A/T MODELS)".
CAN Communication Signals
PCIA0061E
Normal conditions Abnormal conditions (examples)
CAN COMM : OK CAN COMM : OK
CANCIRC1:OK CANCIRC1:UNKWN
CANCIRC2:OK CANCIRC2:UNKWN
CANCIRC3:OK CANCIRC3:UNKWN
CANCIRC4:OK CANCIRC4:UNKWN
CANCIRC5:UNKWN CANCIRC5:UNKWN
Page 222 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual AT-216
[EURO-OBD]
DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM
POWER SOURCE)
DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM
POWER SOURCE)
PFP:31940
DescriptionECS004S NISSAN X-TRAIL 2003 Electronic Repair Manual AT-216
[EURO-OBD]
DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM
POWER SOURCE)
DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM
POWER SOURCE)
PFP:31940
DescriptionECS004S](/manual-img/5/57402/w960_57402-221.png)
AT-216
[EURO-OBD]
DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM
POWER SOURCE)
DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM
POWER SOURCE)
PFP:31940
DescriptionECS004SI
The A/T fluid temperature sensor detects the A/T fluid temperature
and sends a signal to the TCM.
CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE
Remarks: Specification data are reference values.
TCM TERMINALS AND REFERENCE VALUE
Remarks: Specification data are reference values.
SCIA0735E
SAT021J
Monitor item Condition Specification (Approximately)
A/T fluid temperature sensorCold [20°C(68°F)]
¯
Hot [80°C(176°F)]1.5V
¯
0.5V2.5 kW
¯
0.3 kW
Te r m i -
nal No.Wire color Item ConditionJudgement stan-
dard
(Approx.)
10 BR/W Power sourceWhen turning ignition switch to “ON”. Battery voltage
When turning ignition switch to
“OFF”.0V
19 BR/R Power source Same as No. 10
28 R/BPower source
(Memory back-up)or When turning ignition switch to
“OFF”.Battery voltage
When turning ignition switch to “ON”. Battery voltage
42 BGround
(A/T fluid temper-
ature sensor)———
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
Page 226 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual AT-220
[EURO-OBD]
DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM
POWER SOURCE)
3.CHECK INPUT SIGNAL OF A/T FLUID TEMPERATURE SENSOR (WITH CONSULT-II)
With CONSULT-II
1. Start engine.
2 NISSAN X-TRAIL 2003 Electronic Repair Manual AT-220
[EURO-OBD]
DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM
POWER SOURCE)
3.CHECK INPUT SIGNAL OF A/T FLUID TEMPERATURE SENSOR (WITH CONSULT-II)
With CONSULT-II
1. Start engine.
2](/manual-img/5/57402/w960_57402-225.png)
AT-220
[EURO-OBD]
DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM
POWER SOURCE)
3.CHECK INPUT SIGNAL OF A/T FLUID TEMPERATURE SENSOR (WITH CONSULT-II)
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”.
OK or NG
OK >> GO TO 5
NG >> Check the following item:
lHarness for short or open between TCM, ECM and
terminal cord assembly (Main harness)
lGround circuit for ECM
Refer to EC-´´, “TROUBLE DIAGNOSIS FOR
POWER SUPPLY”.
4.CHECK INPUT SIGNAL OF A/T FLUID TEMPERATURE SENSOR (WITHOUT CONSULT-II)
Without CONSULT-II
1. Start engine.
2. Check voltage between TCM terminal 47 and ground while warming up A/T.
3. Turn ignition switch to “OFF” position.
4. Disconnect TCM harness connector.
5. Check resistance between terminal 42 and ground.
OK or NG
OK >> GO TO 5
NG >> Check the following item:
lHarness for short or open between TCM, ECM and
terminal cord assembly (Main harness)
lGround circuit for ECM
Refer to EC-´´, “TROUBLE DIAGNOSIS FOR
POWER SUPPLY”. Vo l ta g e :
Cold [20°C(68°F)]®Hot [80°C(176°F)]
Approximately 1.5V®0.5V
SAT614J
Vo l ta g e :
Cold [20°C(68°F)]®Hot [80°C(176°F)]
Approximately 1.5V®0.5V
SCIA0738E
Continuity should exist.
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Page 232 of 3066
AT-226
[EURO-OBD]
DTC CONTROL UNIT (RAM), CONTROL UNIT (ROM)
DTC CONTROL UNIT (RAM), CONTROL UNIT (ROM)
PFP:31036
DescriptionECS004SP
The TCM consists of a microcomputer and connectors for signal
input and output and for power supply. The unit controls the A/T.
ON BOARD DIAGNOSIS LOGIC
DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE
NOTE:
If “DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCE-
DURE” has been previously conducted, always turn ignition
switch “OFF” and wait at least 5 seconds before conducting the
next test.
With CONSULT-II
1. Turn ignition switch “ON” and select “DATA MONITOR” mode for
A/T with CONSULT-II.
2. Start engine.
3. Run engine for at least 2 seconds at idle speed.
SAT574J
Diagnostic Trouble Code No. Malfunction is detected when .... Check Item (Possible Cause)
: CONTROL UNIT (RAM),
CONTROL UNIT (ROM)TCM memory (RAM) or (ROM) is malfunc-
tioning.
lTCM
SAT014K
SAT971J
Page 234 of 3066
AT-228
[EURO-OBD]
DTC CONTROL UNIT(EEPROM)
DTC CONTROL UNIT(EEPROM)
PFP:31036
DescriptionECS004SR
The TCM consists of a microcomputer and connectors for signal
input and output and for power supply. The unit controls the A/T.
ON BOARD DIAGNOSIS LOGIC
DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE
NOTE:
If “DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCE-
DURE” has been previously conducted, always turn ignition
switch “OFF” and wait at least 5 seconds before conducting the
next test.
With CONSULT-II
1. Turn ignition switch “ON” and select “DATA MONITOR” mode for
A/T with CONSULT-II.
2. Start engine.
3. Run engine for at least 2 seconds at idle speed.
SAT574J
Diagnostic trouble code Malfunction is detected when ... Check item (Possible cause)
:CONTUNIT(EEPROM)TCM memory (EEP ROM) is malfunction-
ing.
lTCM
SAT014K
SAT971J
Page 239 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual TROUBLE DIAGNOSES FOR SYMPTOMS
AT-233
[EURO-OBD]
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3.CHECK LAMP CIRCUIT
1. Turn ignition switch to “OFF” position.
2. Check resistance between TCM terminals 13 and 10, 19.
NISSAN X-TRAIL 2003 Electronic Repair Manual TROUBLE DIAGNOSES FOR SYMPTOMS
AT-233
[EURO-OBD]
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3.CHECK LAMP CIRCUIT
1. Turn ignition switch to “OFF” position.
2. Check resistance between TCM terminals 13 and 10, 19.](/manual-img/5/57402/w960_57402-238.png)
TROUBLE DIAGNOSES FOR SYMPTOMS
AT-233
[EURO-OBD]
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3.CHECK LAMP CIRCUIT
1. Turn ignition switch to “OFF” position.
2. Check resistance between TCM terminals 13 and 10, 19.
3. Reinstall any part removed.
OK or NG
OK >> GOTO4
NG >> Check the following items:
lO/D OFF indicator lamp.
Refer toDI-10, "
Meter/Gauge Operation and Odo/Trip
Meter Segment Check in Diagnosis Mode",
“METERS AND GAUGES”.
lHarness and fuse for short or open between ignition
switch and O/D OFF indicator lamp (Main harness)
Refer toPG-2, "
POWER SUPPLY ROUTING".
lHarness for short or open between O/D OFF indicator lamp and TCM.
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.
2. Engine Cannot Be Started In “P” and “N” PositionECS004SV
SYMPTOM:
lEngine cannot be started with selector lever in “P” or “N” position.
lEngine can be started with selector lever in “D”, “2”, “1” or “R” position.
1.CHECK PNP SWITCH CIRCUIT
With CONSULT-II
Does “TCM INPUT SIGNALS” in “DATA MONITOR” show damage to PNP switch circuit?
Wi th ou t C O N S U LT-I I
Does self-diagnosis show damage to PNP switch circuit?
Ye s o r N o
Yes >> Check PNP switch circuit. Refer to “21. TCM Self-diag-
nosis Does Not Activate (PNP& Overdrive Control
switches, and Throttle Position sensor Circuit Checks)”,
AT-260, "
21. TCM Self-diagnosis Does Not Activate
(PNP & Overdrive Control Switches, and Throttle Posi-
tion Sensor Circuit Checks)".
No >> GOTO2Resistance : 50 - 100W
SCIA0767E
SCIA0706E