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

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On Board Diagnosis Logic

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• 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

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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 

TM-186, "Diagnosis Procedure"

.

 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 

TM-210, "Diagnosis Procedure"

.

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]

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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 

TM-188, "Diagnosis Procedure"

.

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 

TM-159

.

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 

TM-151, "CON-

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]

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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-69, "CONSULT-III

Function (ENGINE)"

 (QR25DE) or 

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)"

 (VQ40DE).

• If CAN communication line is detected, go to 

TM-159, "Diagnosis Procedure"

.

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 

TM-210, "Diagnosis Procedure"

.

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.