Nissan Frontier D40. Manual — part 1072
TM-186
< COMPONENT DIAGNOSIS >
[5AT: RE5R05A]
P0745 PRESSURE CONTROL SOLENOID A
P0745 PRESSURE CONTROL SOLENOID A
Description
INFOID:0000000005274075
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:0000000005274076
On Board Diagnosis Logic
INFOID:0000000005274077
• 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:0000000005274078
• Harness or connectors
(The solenoid circuit is open or shorted.)
• Line pressure solenoid valve
DTC Confirmation Procedure
INFOID:0000000005274079
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:0000000005274080
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
P0745 PRESSURE CONTROL SOLENOID A
TM-187
< COMPONENT DIAGNOSIS >
[5AT: RE5R05A]
C
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A
B
TM
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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-280, "Removal and Installation"
NG
>> Repair or replace damaged parts.
4.
CHECK DTC
Perform “DTC Confirmation Procedure”.
• Refer to
TM-186, "DTC Confirmation Procedure"
.
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 2.
TM-188
< COMPONENT DIAGNOSIS >
[5AT: RE5R05A]
P1705 TP SENSOR
P1705 TP SENSOR
Description
INFOID:0000000005274081
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:0000000005274082
On Board Diagnosis Logic
INFOID:0000000005274083
• 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:0000000005274084
Harness or connectors
(The sensor circuit is open or shorted.)
DTC Confirmation Procedure
INFOID:0000000005274085
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:0000000005274086
1.
CHECK CAN COMMUNICATION LINE
Perform the self-diagnosis. Refer to
TM-151, "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)"
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> 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
P1705 TP SENSOR
TM-189
< COMPONENT DIAGNOSIS >
[5AT: RE5R05A]
C
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F
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A
B
TM
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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-528, "CONSULT-III Function (ENGINE)"
(VQ40DE).
Is the inspection result normal?
YES
>> GO TO 4.
NO
>>
Check the DTC detected item. Refer to
EC-69, "CONSULT-III Function (ENGINE)"
(QR25DE) or
EC-528, "CONSULT-III Function (ENGINE)"
• If CAN communication line is detected, go to
4.
CHECK DTC
Perform “DTC Confirmation Procedure”.
• Refer to
TM-188, "DTC Confirmation Procedure"
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 5.
5.
CHECK TCM POWER SUPPLY AND GROUND CIRCUIT
Check TCM power supply and ground circuit. Refer to
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> 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.
Is the inspection result normal?
YES
>> Replace the control valve with TCM. Refer to
TM-280, "Removal and Installation"
NO
>> Repair or replace damaged parts.
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