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Nissan Pathfinder (2005 year). Manual - part 17

DTC P0700 TCM

AT-107

2005 Pathfinder

DTC P0700 TCM

PFP:31036

Description

UCS0032K

The TCM consists of a microcomputer and connectors for signal input and output and for power supply. The
TCM controls the A/T.

On Board Diagnosis Logic

UCS0032L

●

This is an OBD-II self-diagnostic item.

●

Diagnostic trouble code “P0700 TCM” with CONSULT-II is detected when the TCM is malfunctioning.

Possible Cause

UCS0032M

TCM.

DTC Confirmation Procedure

UCS0032N

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

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

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

Start engine.

Run engine for at least 2 consecutive seconds at idle speed.

If DTC is detected, go to

AT-107, "Diagnostic Procedure"

WITH GST

Follow the procedure “WITH CONSULT-II”.

Diagnostic Procedure

UCS0032O

CHECK DTC

With CONSULT-II

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

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

Touch “ERASE”.

Turn ignition switch “OFF” and wait at least 10 seconds.

Perform

AT-107, "DTC Confirmation Procedure"

Is the “TCM” displayed again?

YES

>> Replace the control valve with TCM. Refer to

AT-233,

"Control Valve With TCM and A/T Fluid Temperature
Sensor 2"

>> INSPECTION END

BCIA0030E

BCIA0031E

AT-108

DTC P0705 PARK/NEUTRAL POSITION SWITCH

2005 Pathfinder

DTC P0705 PARK/NEUTRAL POSITION SWITCH

PFP:32006

Description

UCS0032P

●

The park/neutral position (PNP) switch includes a transmission position switch.

●

The transmission range switch detects the selector lever position and sends a signal to the TCM.

CONSULT-II Reference Value

UCS0032Q

On Board Diagnosis Logic

UCS0032R

●

This is an OBD-II self-diagnostic item.

●

Diagnostic trouble code “P0705 PNP SW/CIRC” with CONSULT-II or 9th judgement flicker without CON-
SULT-II is detected under the following conditions.

–

When TCM does not receive the correct voltage signal from the PNP switch 1, 2, 3, 4 based on the gear
position.

–

When no other position but “P” position is detected from “N” positions.

Possible Cause

UCS0032S

●

Harness or connectors
[The park/neutral position (PNP) switch 1, 2, 3, 4 and TCM circuit is open or shorted.]

●

Park/neutral position (PNP) switch 1, 2, 3, 4

DTC Confirmation Procedure

UCS0032T

CAUTION:

Always drive vehicle at a safe speed.

WITH CONSULT-II

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

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

Start engine.

Drive vehicle and maintain the following conditions for at least 2
consecutive seconds.
THRTL POS SEN: More than 1.2V

If DTC is detected, go to

AT-110, "Diagnostic Procedure"

WITH GST

Follow the procedure “WITH CONSULT-II”.

Item name

Condition

Display value

SLCTLVR POSI

Selector lever in “N”,“P” positions.

N/P

Selector lever in “R” position.

Selector lever in “D” position.

Selector lever in “3” position.

Selector lever in “2” position.

Selector lever in “1” position.

BCIA0030E

DTC P0705 PARK/NEUTRAL POSITION SWITCH

AT-109

2005 Pathfinder

Wiring Diagram — AT — PNP/SW

UCS003PT

BCWA0334E

AT-110

DTC P0705 PARK/NEUTRAL POSITION SWITCH

2005 Pathfinder

Diagnostic Procedure

UCS003PU

CHECK PNP SW CIRCUIT

With CONSULT-II

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

Select “SELECTION FROM MENU” in “DATA MONITOR” mode
for “A/T” with CONSULT-II.

Check if correct selector lever position (N/P, R, D, 3, 2 or 1) is
displayed as selector lever is moved into each position.

OK or NG

>> GO TO 5.

>> GO TO 2.

CHECK TCM POWER SUPPLY AND GROUND CIRCUIT

Check TCM power supply and ground circuit. Refer to

AT-172, "MAIN POWER SUPPLY AND GROUND CIR-

CUIT"

OK or NG

>> GO TO 3.

>> Repair or replace damaged parts.

DETECT MALFUNCTIONING ITEM

Check the following.

●

A/T assembly harness connector pin terminals for damage or loose connection with harness connector.

OK or NG

>> GO TO 4.

>> Repair or replace damaged parts.

PCIA0034E

DTC P0705 PARK/NEUTRAL POSITION SWITCH

AT-111

2005 Pathfinder

CHECK SUB-HARNESS

Remove control valve with TCM. Refer to

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

Sensor 2"

Disconnect park/neutral position switch connector and TCM connector.

Check continuity between park/neutral position switch connector
terminals and TCM connector terminals.

If OK, check harness for short to ground and short to power.

Reinstall any part removed.

OK or NG

>> Replace the control valve with TCM. Refer to

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

Temperature Sensor 2"

>> Replace open circuit or short to ground and short to power in harness or connectors.

CHECK DTC

Perform “DTC Confirmation Procedure”.

●

Refer to

AT-108, "DTC Confirmation Procedure"

OK or NG

>> INSPECTION END

>> GO TO 2.

Item

Connector

Terminal

Continuity

Park/neutral position switch
connector

F505

Yes

TCM connector

F503

Park/neutral position switch
connector

F505

Yes

TCM connector

F503

Park/neutral position switch
connector

F505

Yes

TCM connector

F503

Park/neutral position switch
connector

F505

Yes

TCM connector

F503

SCIA5457E

AT-112

DTC P0720 VEHICLE SPEED SENSOR A/T (REVOLUTION SENSOR)

2005 Pathfinder

DTC P0720 VEHICLE SPEED SENSOR A/T (REVOLUTION SENSOR)

PFP:32702

Description

UCS0032V

The revolution sensor detects the revolution of the idler gear parking pawl lock gear and emits a pulse signal.
The pulse signal is sent to the TCM which converts it into vehicle speed.

CONSULT-II Reference Value

UCS0032W

On Board Diagnosis Logic

UCS0032X

●

This is an OBD-II self-diagnostic item.

●

Diagnostic trouble code “P0720 VEH SPD SEN/CIR AT” with CONSULT-II or 1st judgement flicker without
CONSULT-II is detected under the following conditions.

–

When TCM does not receive the proper voltage signal from the sensor.

–

After ignition switch is turned “ON”, irregular signal input from vehicle speed sensor MTR before the vehi-
cle starts moving.

Possible Cause

UCS0032Y

●

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

●

Revolution sensor

●

Vehicle speed sensor MTR

DTC Confirmation Procedure

UCS0032Z

CAUTION:

●

Always drive vehicle at a safe speed.

●

Be careful not to rev engine into the red zone on the tachometer.

WITH CONSULT-II

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

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

Drive vehicle and check for an increase of “VHCL/S SE·A/T”
value in response to “VHCL/S SE·MTR” value.
If the check result is NG, go to

AT-115, "Diagnostic Procedure"

If the check result is OK, go to following step.

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

Start engine and maintain the following conditions for at least 5
consecutive seconds.
VHCL SPEED SE: 30 km/h (19 MPH) or more
THRTL POS SEN: More than 1.0/8
Selector lever: “D” position
Driving location: Driving the vehicle uphill (increased engine load) will help maintain the driving
conditions required for this test.
If the check result is NG, go to

AT-115, "Diagnostic Procedure"

If the check result is OK, go to following step.

Maintain the following conditions for at least 5 consecutive seconds.
ENGINE SPEED: 3,500 rpm or more
THRTL POS SEN: More than 1.0/8
Selector lever: “D” position
Driving location: Driving the vehicle uphill (increased engine load) will help maintain the driving
conditions required for this test.
If the check result is NG, go to

AT-115, "Diagnostic Procedure"

Item name

Condition

Display value (km/h)

VHCL/S SE·A/T

During driving

Approximately matches the speedometer reading.

BCIA0030E