Nissan Pathfinder (2010 year). Instruction — part 618
TM-72
< COMPONENT DIAGNOSIS >
P0744 TORQUE CONVERTER
4. Read out the value of “TCC SOLENOID” while driving.
OK or NG
OK
>> GO TO 4.
NG
>> GO TO 2.
2.
CHECK TCM POWER SUPPLY AND GROUND CIRCUIT
Check TCM power supply and ground circuit. Refer to
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace damaged parts.
3.
DETECT MALFUNCTIONING ITEM
Check the following.
• The A/T assembly harness connector pin terminals for damage or loose connection with harness connector.
OK or NG
OK
>> Replace the control valve with TCM. Refer to
TM-174, "Removal and Installation"
NG
>> Repair or replace damaged parts.
4.
CHECK DTC
Perform “DTC Confirmation Procedure”.
• Refer to
TM-71, "DTC Confirmation Procedure"
OK or NG
OK
>>
INSPECTION END
NG
>> GO TO 2.
2010 Pathfinder
P0745 PRESSURE CONTROL SOLENOID A
TM-73
< COMPONENT DIAGNOSIS >
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P0745 PRESSURE CONTROL SOLENOID A
Description
INFOID:0000000005258046
The line pressure solenoid valve regulates the oil pump discharge pressure to suit the driving condition in
response to a signal sent from the TCM.
CONSULT-III Reference Value in Data Monitor Mode
INFOID:0000000005258047
On Board Diagnosis Logic
INFOID:0000000005258048
• This is an OBD-II self-diagnostic item.
• Diagnostic trouble code “P0745” with CONSULT-III or 4th judgment flicker without CONSULT-III is detected
under the following conditions.
- When TCM detects an improper voltage drop when it tries to operate the solenoid valve.
- When TCM detects as irregular by comparing target value with monitor value.
Possible Cause
INFOID:0000000005258049
• Harness or connectors
(The solenoid circuit is open or shorted.)
• Line pressure solenoid valve
DTC Confirmation Procedure
INFOID:0000000005258050
NOTE:
If “DTC Confirmation Procedure” has been previously performed, always turn ignition switch “OFF”
and wait at least 10 seconds before performing the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
WITH CONSULT-III
1. Turn ignition switch “ON” and select “DATA MONITOR” mode for “TRANSMISSION” with CONSULT-III.
2. Engine start and wait at least 5 second.
3. If DTC is detected, go to
WITH GST
Follow the procedure “WITH CONSULT-III”.
Diagnosis Procedure
INFOID:0000000005258051
1.
CHECK INPUT SIGNAL
With CONSULT-III
1. Turn ignition switch ON.
2. Select “MAIN SIGNALS” in “DATA MONITOR” mode for “TRANSMISSION” with CONSULT-III.
3. Start the engine.
4. Read out the value of “LINE PRES SOL” while driving.
OK or NG
OK
>> GO TO 4.
NG
>> GO TO 2.
2.
CHECK TCM POWER SUPPLY AND GROUND CIRCUIT
Check TCM power supply and ground circuit. Refer to
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace damaged parts.
3.
DETECT MALFUNCTIONING ITEM
Item name
Condition
Display value (Approx.)
LINE PRES SOL
During driving
0.2 - 0.6 A
2010 Pathfinder
TM-74
< COMPONENT DIAGNOSIS >
P0745 PRESSURE CONTROL SOLENOID A
Check the following.
• The A/T assembly harness connector pin terminals for damage or loose connection with harness connector.
OK or NG
OK
>> Replace the control valve with TCM. Refer to
TM-174, "Removal and Installation"
NG
>> Repair or replace damaged parts.
4.
CHECK DTC
Perform “DTC Confirmation Procedure”.
• Refer to
TM-73, "DTC Confirmation Procedure"
OK or NG
OK
>>
INSPECTION END
NG
>> GO TO 2.
2010 Pathfinder
P1705 TP SENSOR
TM-75
< COMPONENT DIAGNOSIS >
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P1705 TP SENSOR
Description
INFOID:0000000005258052
Electric throttle control actuator consists of throttle control motor, accelerator pedal position sensor, throttle
position sensor, etc. The actuator sends a signal to the ECM, and ECM sends signals to TCM with CAN com-
munication.
CONSULT-III Reference Value in Data Monitor Mode
INFOID:0000000005258053
On Board Diagnosis Logic
INFOID:0000000005258054
• This is not an OBD-II self-diagnostic item.
• Diagnostic trouble code “P1705” with CONSULT-III or 15th judgment flicker without CONSULT-III is detected
when TCM does not receive the proper accelerator pedal position signals (input by CAN communication)
from ECM.
Possible Cause
INFOID:0000000005258055
Harness or connectors
(The sensor circuit is open or shorted.)
DTC Confirmation Procedure
INFOID:0000000005258056
NOTE:
If “DTC Confirmation Procedure” has been previously performed, always turn ignition switch “OFF”
and wait at least 10 seconds before performing the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
WITH CONSULT-III
1. Turn ignition switch “ON”. (Do not start engine.)
2. Select “DATA MONITOR” mode for "TRANSMISSION" with CONSULT-III.
3. Start engine and let it idle for 1 second.
4. If DTC is detected, go to
Diagnosis Procedure
INFOID:0000000005258057
1.
CHECK CAN COMMUNICATION LINE
Perform the self-diagnosis. Refer to
TM-36, "CONSULT-III Function (TRANSMISSION)"
Is a malfunction in the CAN communication indicated in the results?
YES
>> Check CAN communication line. Refer to
.
NO
>> GO TO 2.
2.
CHECK DTC WITH TCM
With CONSULT-III
1. Turn ignition switch ON. (Do not start engine.)
2. Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for “TRANSMISSION” with CONSULT-III.
3. Depress accelerator pedal and read out the value of “ACCELE POSI”.
4. Select “SELF-DIAG RESULTS” mode for “TRANSMISSION” with CONSULT-III. Refer to
SULT-III Function (TRANSMISSION)"
OK or NG
OK
>> GO TO 4.
NG
>> GO TO 3.
3.
CHECK DTC WITH ECM
Item name
Condition
Display value (Approx.)
ACCELE POSI
Released accelerator pedal.
0.0/8
Fully depressed accelerator pedal.
8/8
2010 Pathfinder
TM-76
< COMPONENT DIAGNOSIS >
P1705 TP SENSOR
With CONSULT-III
1. Turn ignition switch ON. (Do not start engine.)
2. Select “SELF-DIAG RESULTS” mode for “ENGINE” with CONSULT-III. Refer to
EC-557, "CONSULT-III Function (ENGINE)"
(VK56DE).
OK or NG
OK
>> GO TO 4.
NG
>> Check the DTC detected item. Refer to
EC-79, "CONSULT-III Function (ENGINE)"
(VQ40DE) or
EC-557, "CONSULT-III Function (ENGINE)"
(VK56DE).
• If CAN communication line is detected, go to
.
4.
CHECK DTC
Perform “DTC Confirmation Procedure”.
• Refer to
TM-75, "DTC Confirmation Procedure"
OK or NG
OK
>>
INSPECTION END
NG
>> GO TO 5.
5.
CHECK TCM POWER SUPPLY AND GROUND CIRCUIT
Check TCM power supply and ground circuit. Refer to
OK or NG
OK
>> GO TO 6.
NG
>> Repair or replace damaged parts.
6.
DETECT MALFUNCTIONING ITEM
Check the following.
• The A/T assembly harness connector pin terminals for damage or loose connection with harness connector.
OK or NG
OK
>> Replace the control valve with TCM. Refer to
TM-174, "Removal and Installation"
NG
>> Repair or replace damaged parts.
2010 Pathfinder
P1710 TRANSMISSION FLUID TEMPERATURE SENSOR
TM-77
< COMPONENT DIAGNOSIS >
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P1710 TRANSMISSION FLUID TEMPERATURE SENSOR
Description
INFOID:0000000005258058
The A/T fluid temperature sensor detects the A/T fluid temperature and sends a signal to the TCM.
CONSULT-III Reference Value in Data Monitor Mode
INFOID:0000000005258059
On Board Diagnosis Logic
INFOID:0000000005258060
• This is an OBD-II self-diagnostic item.
• Diagnostic trouble code “P1710 (A/T), P0710 (ENGINE)” with CONSULT-III or 10th judgment flicker without
CONSULT-III is detected when TCM receives an excessively low or high voltage from the sensor.
Possible Cause
INFOID:0000000005258061
• Harness or connectors
(The sensor circuit is open or shorted.)
• A/T fluid temperature sensor 1
DTC Confirmation Procedure
INFOID:0000000005258062
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If “DTC Confirmation Procedure” has been previously performed, always turn ignition switch “OFF”
and wait at least 10 seconds before performing the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
WITH CONSULT-III
1. Turn ignition switch “ON”. (Do not start engine.)
2. Select “DATA MONITOR” mode for “ENGINE” with CONSULT-III.
3. Start engine and maintain the following conditions for at least 14 minutes (Total). (It is not necessary to
maintain continuously.)
VHCL/S SE-A/T: 10 km/h (6 MPH) or more
ACCELE POSI: More than 1.0/8
SLCT LVR POSI: “D” position
4. If DTC is detected, go to
WITH GST
Follow the procedure “WITH CONSULT-III”.
Diagnosis Procedure
INFOID:0000000005258063
1.
CHECK A/T FLUID TEMPERATURE SENSOR 1 SIGNAL
With CONSULT-III
1. Start engine.
2. Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for “TRANSMISSION” with CONSULT-III.
3. Read out the value of “ATF TEMP SE 1”.
OK or NG
OK
>> GO TO 5.
NG
>> GO TO 2.
2.
CHECK A/T FLUID TEMPERATURE SENSOR 1
Check A/T fluid temperature sensor 1. Refer to
OK or NG
OK
>> GO TO 3.
Item name
Condition
°
C (
°
F) Display
value
(Approx.)
ATF TEMP SE 1
0 (32) - 20 (68) - 80 (176)
3.3 - 2.7 - 0.9 V
2010 Pathfinder
TM-78
< COMPONENT DIAGNOSIS >
P1710 TRANSMISSION FLUID TEMPERATURE SENSOR
NG
>> Replace the control valve with TCM. Refer to
TM-174, "Removal and Installation"
3.
CHECK SUB-HARNESS
1. Disconnect transmission range switch connector and TCM connector.
2. Check continuity between transmission range switch connector
(A) terminals and TCM connector (B) terminals.
3. If OK, check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 4.
NG
>> Replace open circuit or short to ground and short to power in harness or connectors.
4.
CHECK TCM POWER SUPPLY AND GROUND CIRCUIT
1. Check TCM power supply and ground circuit. Refer to
2. Reinstall any part removed.
OK or NG
OK
>> Replace the control valve with TCM. Refer to
TM-174, "Removal and Installation"
NG
>> Repair or replace damaged parts.
5.
CHECK DTC
Perform “DTC Confirmation Procedure”.
• Refer to
TM-77, "DTC Confirmation Procedure"
OK or NG
OK
>>
INSPECTION END
NG
>> GO TO 1.
Component Inspection
INFOID:0000000005258064
A/T FLUID TEMPERATURE SENSOR 1
1. Remove control valve with TCM. Refer to
TM-174, "Removal and Installation"
.
2. Check resistance between transmission range switch connector
(A) terminals.
3. If NG, replace the control valve with TCM. Refer to
Item
Connector
Terminal
Continuity
Transmission range
switch connector
F505
6
Yes
TCM connector
F503
19
Transmission range
switch connector
F505
7
Yes
TCM connector
F503
18
JSDIA1330ZZ
Name
Terminal
Temperature
°
C
(
°
F)
Resistance (Ap-
prox.)
A/T fluid temperature
sensor 1
6 - 7
TM-281, "A/T Fluid Temperature Sensor"
JSDIA1331ZZ
2010 Pathfinder
P1721 VEHICLE SPEED SIGNAL
TM-79
< COMPONENT DIAGNOSIS >
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P1721 VEHICLE SPEED SIGNAL
Description
INFOID:0000000005258065
The vehicle speed signal is transmitted from combination meter to TCM by CAN communication line. The sig-
nal functions as an auxiliary device to the output speed sensor when it is malfunctioning. The TCM will then
use the vehicle speed signal.
CONSULT-III Reference Value in Data Monitor Mode
INFOID:0000000005258066
On Board Diagnosis Logic
INFOID:0000000005258067
• This is not an OBD-II self-diagnostic item.
• Diagnostic trouble code “P1721” with CONSULT-III is detected when TCM does not receive the proper vehi-
cle speed signal (input by CAN communication) from combination meter.
Possible Cause
INFOID:0000000005258068
Harness or connectors
(The sensor circuit is open or shorted.)
DTC Confirmation Procedure
INFOID:0000000005258069
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If “DTC Confirmation Procedure” has been previously performed, always turn ignition switch “OFF”
and wait at least 10 seconds before performing the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
WITH CONSULT-III
1. Turn ignition switch “ON”. (Do not start engine.)
2. Select “DATA MONITOR” mode for “TRANSMISSION” with CONSULT-III.
3. Start engine and maintain the following conditions for at least 5 consecutive seconds.
ACCELE POSI: 1/8 or less
VHCL/S SE-A/T: 30 km/h (19 MPH) or more
4. If DTC is detected, go to
Diagnosis Procedure
INFOID:0000000005258070
1.
CHECK CAN COMMUNICATION LINE
Perform the self-diagnosis. Refer to
TM-36, "CONSULT-III Function (TRANSMISSION)"
Is malfunction in the CAN communication indicated in the result?
YES
>> Check CAN communication line. Refer to
.
NO
>> GO TO 2.
2.
CHECK INPUT SIGNAL
With CONSULT-III
1. Start engine.
2. Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for “TRANSMISSION” with CONSULT-III.
3. Drive vehicle and read out the value of “VHCL/S SE-MTR”.
OK or NG
OK
>> GO TO 4.
NG
>> GO TO 3.
3.
CHECK COMBINATION METERS
Check combination meters. Refer to
MWI-6, "METER SYSTEM : Component Description"
.
Item name
Condition
Display value (km/h)
VHCL/S SE-MTR
During driving
Approximately matches the speedometer reading.
2010 Pathfinder
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