Nissan Pathfinder (2006 year). Instruction — part 17

DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)

AT-127

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2006 Pathfinder

WITH GST

Follow the procedure “WITH CONSULT-II”.

Diagnostic Procedure

ECS00EGV

1.

CHECK INPUT SIGNAL

With CONSULT-II

1.

Turn ignition switch ON.

2.

Select “MAIN SIGNALS” in “DATA MONITOR” mode for “A/T”
with CONSULT-II.

3.

Start the engine.

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

AT-173, "MAIN POWER SUPPLY AND GROUND CIR-

CUIT"

.

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 connec-
tor.

OK or NG

OK

>> Replace the control valve with TCM. Refer to

AT-233, "Control Valve With TCM and A/T Fluid

Temperature Sensor 2"

.

NG

>> Repair or replace damaged parts.

4.

CHECK DTC

Perform “DTC Confirmation Procedure”.

●

Refer to

AT-126, "DTC Confirmation Procedure"

.

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 2.

SCIA4793E

AT-128

DTC P0745 LINE PRESSURE SOLENOID VALVE

2006 Pathfinder

DTC P0745 LINE PRESSURE SOLENOID VALVE

PFP:31940

Description

ECS00EGW

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-II Reference Value

ECS00EGX

On Board Diagnosis Logic

ECS00EGY

●

This is an OBD-II self-diagnostic item.

●

Diagnostic trouble code “P0745 L/PRESS SOL/CIRC” with CONSULT-II or 4th judgement flicker without
CONSULT-II 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

ECS00EGZ

●

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

●

Line pressure solenoid valve

DTC Confirmation Procedure

ECS00EH0

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-II

1.

Turn ignition switch “ON” and select “DATA MONITOR” mode for
“ENGINE” with CONSULT-II.

2.

Engine start and wait at least 5 second.

3.

If DTC is detected, go to

AT-129, "Diagnostic Procedure"

.

WITH GST

Follow the procedure “WITH CONSULT-II”.

Item name

Condition

Display value (Approx.)

LINE PRES SOL

During driving

0.2 - 0.6 A

BCIA0030E

DTC P0745 LINE PRESSURE SOLENOID VALVE

AT-129

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2006 Pathfinder

Diagnostic Procedure

ECS00EH1

1.

CHECK INPUT SIGNAL

With CONSULT-II

1.

Turn ignition switch ON.

2.

Select “MAIN SIGNALS” in “DATA MONITOR” mode for “A/T”
with CONSULT-II.

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

AT-173, "MAIN POWER SUPPLY AND GROUND CIR-

CUIT"

.

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 connec-
tor.

OK or NG

OK

>> Replace the control valve with TCM. Refer to

AT-233, "Control Valve With TCM and A/T Fluid

Temperature Sensor 2"

.

NG

>> Repair or replace damaged parts.

4.

CHECK DTC

Perform “DTC Confirmation Procedure”.

●

Refer to

AT-128, "DTC Confirmation Procedure"

.

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 2.

SCIA4793E

AT-130

DTC P1705 THROTTLE POSITION SENSOR

2006 Pathfinder

DTC P1705 THROTTLE POSITION SENSOR

PFP:22620

Description

ECS00EHC

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-II Reference Value

ECS00EHD

On Board Diagnosis Logic

ECS00EHE

●

This is not an OBD-II self-diagnostic item.

●

Diagnostic trouble code “P1705 TP SEN/CIRC A/T” with CONSULT-II or 15th judgement flicker without
CONSULT-II is detected when TCM does not receive the proper accelerator pedal position signals (input
by CAN communication) from ECM.

Possible Cause

ECS00EHF

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

DTC Confirmation Procedure

ECS00EHG

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-II

1.

Turn ignition switch “ON”. (Do not start engine.)

2.

Select “DATA MONITOR” mode for “A/T” with CONSULT-II.

3.

Start engine and let it idle for 1 second.

4.

If DTC is detected, go to

AT-131, "Diagnostic Procedure"

.

Item name

Condition

Display value (Approx.)

ACCELE POSI

Released accelerator pedal.

0.0/8

Fully depressed accelerator pedal.

8/8

BCIA0030E

DTC P1705 THROTTLE POSITION SENSOR

AT-131

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2006 Pathfinder

Diagnostic Procedure

ECS00EHH

1.

CHECK CAN COMMUNICATION LINE

Perform the self-diagnosis. Refer to

AT-90, "SELF-DIAGNOSTIC RESULT MODE"

.

Is a malfunction in the CAN communication indicated in the results?

YES

>> Check CAN communication line. Refer to

AT-103, "DTC U1000 CAN COMMUNICATION LINE"

.

NO

>> GO TO 2.

2.

CHECK DTC WITH TCM

With CONSULT-II

1.

Turn ignition switch ON. (Do not start engine.)

2.

Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for
“A/T” with CONSULT-II.

3.

Depress accelerator pedal and read out the value of “ACCELE
POSI”.

4.

Select “SELF-DIAG RESULTS” mode for “A/T” with CONSULT-
II. Refer to

AT-90, "SELF-DIAGNOSTIC RESULT MODE"

.

OK or NG

OK

>> GO TO 4.

NG

>> GO TO 3.

3.

CHECK DTC WITH ECM

With CONSULT-II

1.

Turn ignition switch ON. (Do not start engine.)

2.

Select “SELF-DIAG RESULTS” mode for “ENGINE” with CON-
SULT-II. Refer to

EC-113, "CONSULT-II Function (ENGINE)"

.

OK or NG

OK

>> GO TO 4.

NG

>> Check the DTC detected item. Refer to

EC-113, "CON-

SULT-II Function (ENGINE)"

.

●

If CAN communication line is detected, go to

AT-103,

"DTC U1000 CAN COMMUNICATION LINE"

.

4.

CHECK DTC

Perform “DTC Confirmation Procedure”.

●

Refer to

AT-130, "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

AT-173, "MAIN POWER SUPPLY AND GROUND CIR-

CUIT"

.

OK or NG

OK

>> GO TO 6.

NG

>> Repair or replace damaged parts.

PCIA0070E

SAT014K

AT-132

DTC P1705 THROTTLE POSITION SENSOR

2006 Pathfinder

6.

DETECT MALFUNCTIONING ITEM

Check the following.

●

The A/T assembly harness connector pin terminals for damage or loose connection with harness connec-
tor.

OK or NG

OK

>> Replace the control valve with TCM. Refer to

AT-233, "Control Valve With TCM and A/T Fluid

Temperature Sensor 2"

.

NG

>> Repair or replace damaged parts.

DTC P1710 A/T FLUID TEMPERATURE SENSOR CIRCUIT

AT-133

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2006 Pathfinder

DTC P1710 A/T FLUID TEMPERATURE SENSOR CIRCUIT

PFP:31940

Description

ECS00EHI

The A/T fluid temperature sensor detects the A/T fluid temperature and sends a signal to the TCM.

CONSULT-II Reference Value

ECS00EHJ

On Board Diagnosis Logic

ECS00EHK

●

This is an OBD-II self-diagnostic item.

●

Diagnostic trouble code “P1710 (A/T), P0710 (ENGINE) ATF TEMP SEN/CIRC” with CONSULT-II or 10th
judgement flicker without CONSULT-II is detected when TCM receives an excessively low or high voltage
from the sensor.

Possible Cause

ECS00EHL

●

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

●

A/T fluid temperature sensors 1, 2

DTC Confirmation Procedure

ECS00EHM

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-II

1.

Turn ignition switch “ON”. (Do not start engine.)

2.

Select “DATA MONITOR” mode for “ENGINE” with CONSULT-II.

3.

Start engine and maintain the following conditions for at least 10
minutes (Total). (It is not necessary to maintain continuously.)
VHCL SPEED SE: 10 km/h (6 MPH) or more
THRTL POS SEN: More than 1.0/8
Selector lever: “D” position

4.

If DTC is detected, go to

AT-135, "Diagnostic Procedure"

.

WITH GST

Follow the procedure “WITH CONSULT-II”.

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

ATF TEMP SE 2

3.3 - 2.5 - 0.7 V

BCIA0030E

AT-134

DTC P1710 A/T FLUID TEMPERATURE SENSOR CIRCUIT

2006 Pathfinder

Wiring Diagram — AT — FTS

ECS00EHN

BCWA0323E