Nissan Teana J32. Manual - part 1175

TM-224

< COMPONENT DIAGNOSIS >

[CVT: RE0F10A]

P0720 VEHICLE SPEED SENSOR CVT (SECONDARY SPEED SENSOR)

YES

>> GO TO 4.

NO

>> Repair or replace damaged parts.

4.

CHECK HARNESS BETWEEN TCM AND OUTPUT SPEED SENSOR (SECONDARY SPEED SENSOR)

(PART 1)

Check continuity between TCM vehicle side harness connector terminal and output speed sensor (secondary
speed sensor) vehicle side harness connector terminal.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace damaged parts.

5.

CHECK HARNESS BETWEEN TCM AND OUTPUT SPEED SENSOR (SECONDARY SPEED SENSOR)

(PART 2)

Check continuity between TCM vehicle side harness connector terminal and ground.

Is the inspection result normal?

YES

>> GO TO 10.

NO

>> Repair or replace damaged parts.

6.

CHECK HARNESS BETWEEN IPDM E/R AND OUTPUT SPEED SENSOR (SECONDARY SPEED SEN-

SOR) (POWER) (PART 1)

1.

Turn ignition switch OFF.

2.

Disconnect IPDM E/R connector.

3.

Check continuity between IPDM E/R vehicle side harness connector terminal and output speed sensor
(secondary speed sensor) vehicle side harness connector terminal.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Repair or replace damaged parts.

7.

CHECK HARNESS BETWEEN IPDM E/R AND OUTPUT SPEED SENSOR (SECONDARY SPEED SEN-

SOR) (POWER) (PART 2)

Check continuity between IPDM E/R vehicle side harness connector terminal and ground.

Is the inspection result normal?

YES

>>

Check the following.

• Harness for short or open between ignition switch and IPDM E/R
• 10 A fuse (No. 43, located in IPDM E/R)
• Ignition switch

NO

>> Repair or replace damaged parts.

TCM vehicle side harness connector

Output speed sensor (secondary speed sensor) ve-

hicle side harness connector

Continuity

Connector

Terminal

Connector

Terminal

F23

34

F19

2

Existed

TCM vehicle side harness connector

Ground

Continuity

Connector

Terminal

F23

34

Not existed

IPDM E/R vehicle side harness connector

Output speed sensor (secondary speed sensor) ve-

hicle side harness connector

Continuity

Connector

Terminal

Connector

Terminal

F12

58

F19

3

Existed

IPDM E/R vehicle side harness connector

Ground

Continuity

Connector

Terminal

F12

58

Not existed

P0720 VEHICLE SPEED SENSOR CVT (SECONDARY SPEED SENSOR)

TM-225

< COMPONENT DIAGNOSIS >

[CVT: RE0F10A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

8.

CHECK HARNESS BETWEEN TCM AND OUTPUT SPEED SENSOR (SECONDARY SPEED SENSOR)

(SENSOR GROUND) (PART 1)

1.

Turn ignition switch OFF.

2.

Disconnect TCM connector.

3.

Check continuity between TCM vehicle side harness connector terminal and output speed sensor (sec-
ondary speed sensor) vehicle side harness connector terminal.

Is the inspection result normal?

YES

>> GO TO 9.

NO

>> Repair or replace damaged parts.

9.

CHECK HARNESS BETWEEN TCM AND OUTPUT SPEED SENSOR (SECONDARY SPEED SENSOR)

(SENSOR GROUND) (PART 2)

Check continuity between TCM vehicle side harness connector terminal and ground.

Is the inspection result normal?

YES

>> GO TO 10.

NO

>> Repair or replace damaged parts.

10.

CHECK TCM

1.

Replace with the same type of TCM. Refer to 

TM-315, "Exploded View"

.

2.

Connect each connector.

3.

Perform “DTC CONFIRMATION PROCEDURE”. Refer to 

TM-222, "DTC Logic"

.

Is “P0720 VEH SPD SEN/CIR AT” detected?

YES

>> Replace output speed sensor (secondary speed sensor). Refer to 

TM-324, "Exploded View"

.

NO

>> Replace TCM. Refer to 

TM-315, "Exploded View"

.

11.

DETECT MALFUNCTIONING ITEMS

Check TCM connector pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?

YES

>> Replace TCM. Refer to 

TM-315, "Exploded View"

.

NO

>> Repair or replace damaged parts.

TCM vehicle side harness connector

Output speed sensor (secondary speed sensor) ve-

hicle side harness connector

Continuity

Connector

Terminal

Connector

Terminal

F23

7

F19

1

Existed

TCM vehicle side harness connector

Ground

Continuity

Connector

Terminal

F23

7

Not existed

TM-226

< COMPONENT DIAGNOSIS >

[CVT: RE0F10A]

P0725 ENGINE SPEED SIGNAL

P0725 ENGINE SPEED SIGNAL

Description

INFOID:0000000003806400

The engine speed signal is transmitted from ECM to TCM via CAN communication line.

DTC Logic

INFOID:0000000003806401

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

CAUTION:

Always drive vehicle at a safe speed.
NOTE:
If “DTC CONFIRMATION PROCEDURE” has been previously performed, always turn ignition switch
OFF. Then wait at least 10 seconds before performing the next test.
Perform the following procedure to confirm the malfunction is eliminated after the repair.

1.

CHECK DTC DETECTION

With CONSULT-III

1.

Turn ignition switch ON.

2.

Select “Data Monitor” mode for “TRANSMISSION”.

3.

Start engine and maintain the following conditions for at least 10 consecutive seconds.

Is “P0725 ENGINE SPEED SIG” detected?

YES

>> Go to 

TM-226, "Diagnosis Procedure"

.

NO

>> Check intermittent incident. Refer to 

GI-35, "Intermittent Incident"

.

Diagnosis Procedure

INFOID:0000000003806402

1.

 CHECK DTC WITH ECM 

With CONSULT-III

1.

Turn ignition switch ON.

2.

Select “Self Diagnostic Results” mode for “ENGINE”.

Is any DTC other than “P0725 ENGINE SPEED SIG” detected?

YES

>> Check the DTC detected item. Refer to 

EC-113, "CONSULT-III Function"

.

NO

>> GO TO 2.

2.

 CHECK DTC WITH TCM 

With CONSULT-III

Select “Self Diagnostic Results” mode for “TRANSMISSION”.

Is any DTC other than “P0725 ENGINE SPEED SIG” detected?

YES

>> Check the DTC detected item. Refer to 

TM-204, "CONSULT-III Function (TRANSMISSION)"

.

NO

>> GO TO 3.

3.

 CHECK INPUT SIGNALS

With CONSULT-III

1.

Start engine.

2.

Select “Data Monitor” mode for “TRANSMISSION”.

DTC

Item

(CONSULT-III screen term)

Malfunction is detected when...

Possible cause

P0725

ENGINE SPEED SIG

• TCM does not receive the 

CAN communication signal 
from the ECM.

• Engine speed is too low while 

driving.

• Harness or connectors

(The ECM to the TCM circuit 
is open or shorted.)

PRI SPEED SEN

: More than 1000 rpm

P0725 ENGINE SPEED SIGNAL

TM-227

< COMPONENT DIAGNOSIS >

[CVT: RE0F10A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

3.

Check for engine speed change corresponding to “ACC PEDAL OPEN” while monitoring “ENG SPEED
SIG”.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Check ignition signal circuit. Refer to 

EC-341, "Description"

.

4.

 CHECK TCM

Check TCM input/output signals. Refer to 

TM-275, "Reference Value"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-35, "Intermittent Incident"

.

NO

>> Replace the TCM. Refer to 

TM-315, "Exploded View"

.

Item name

Condition

Display value

ENG SPEED SIG 

Engine running

Closely matches the tachometer reading.

ACC PEDAL OPEN

Released accelerator pedal – Fully depressed accelerator pedal

0.0/8 – 8.0/8