Nissan Maxima. Manual - part 1149

 

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Nissan Maxima. Manual - part 1149

 

 

TM-60

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F09B]

P0720 OUTPUT SPEED SENSOR

P0720 OUTPUT SPEED SENSOR

Description

INFOID:0000000010113603

The secondary speed sensor detects the revolution of the CVT output shaft and emits a pulse signal. The

pulse signal is transmitted to the TCM, which converts it into vehicle speed.

DTC Logic

INFOID:0000000010113604

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

CAUTION:

Always drive vehicle at a safe speed.

NOTE:

Immediately after performing any “DTC CONFIRMATION PROCEDURE”, always turn ignition switch OFF.

Then wait at least 10 seconds before performing the next test.

1.

CHECK DTC DETECTION

With CONSULT

1. Turn ignition switch ON.

2. Select “Data Monitor” in “TRANSMISSION”.

3. Start engine and maintain the following conditions for at least 12 consecutive seconds.

With GST

Follow the procedure “With CONSULT”.
Is “P0720” detected?

YES

>> Go to 

TM-60, "Diagnosis Procedure"

.

NO

>> Check intermittent incident. Refer to 

GI-41, "Intermittent Incident"

.

Diagnosis Procedure

INFOID:0000000010113605

Regarding Wiring Diagram information, refer to 

TM-126, "Wiring Diagram"

.

1.

CHECK SECONDARY SPEED SENSOR

With CONSULT

Check the pulse when vehicle drive.

Is the inspection result normal?

YES

>> GO TO 11.

NO

>> GO TO 2.

DTC

Trouble diagnosis name

DTC is detected if...

Possible cause

P0720

Output Speed Sensor Circuit

• Signal from vehicle speed sensor CVT [out-

put speed sensor (secondary speed sen-
sor)] is not input due to open or short circuit.

• An unexpected signal is input during run-

ning.

• Harness or connectors

(Sensor circuit is open or shorted.)

• Secondary speed sensor

ACC PEDAL OPEN

: More than 1.0/8

RANGE

: “D” position

Driving location

: Driving the vehicle uphill (increased engine load) will help maintain the driving 
conditions required for this test.

TCM connector

Condition

Data

(Approx.)

Connector

Terminal

F15

34

When driving [“D” position, 20 km/h (12 
MPH)]

390 Hz

AWDIA0106ZZ

P0720 OUTPUT SPEED SENSOR

TM-61

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F09B]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

2.

CHECK POWER AND SENSOR GROUND

1. Turn ignition switch OFF.

2. Disconnect secondary speed sensor connector.

3. Turn ignition switch ON.

4. Check voltage between secondary speed sensor vehicle side

harness connector terminals.

5. Check voltage between secondary speed sensor vehicle side

harness connector terminal and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO-1(Battery voltage is not supplied between terminals 1 and 3, 

terminal 3 and ground)>>GO TO 6.

NO-2(Battery voltage is not supplied between terminals 1 and 3 only)>>GO TO 8.

3.

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

1. Turn ignition switch OFF.

2. Disconnect TCM connector.

3. Check continuity between TCM vehicle side harness connector

terminal and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace damaged parts.

4.

CHECK HARNESS BETWEEN TCM AND SECONDARY SPEED SENSOR (PART 1)

Check continuity between TCM vehicle side harness connector ter-

minal and 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 SECONDARY SPEED SENSOR (PART 2)

Secondary speed sensor vehicle side harness connector

Voltage (Approx.)

Connector

Terminal

F23

1

3

Battery voltage

AWDIA0107ZZ

Secondary speed sensor vehicle side harness 

connector

Ground

Voltage

(Approx.)

Connector

Terminal

F23

3

Battery voltage

AWDIA0108ZZ

TCM vehicle side harness connector

Ground

Continuity

Connector

Terminal

F15

7

Not existed

AWDIA0109ZZ

TCM vehicle side harness 

connector

Secondary speed sensor vehi-

cle side harness connector

Continuity

Connector

Terminal

Connector

Terminal

F15 (A)

34

F23 (B)

2

Existed

AWDIA0110ZZ

TM-62

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F09B]

P0720 OUTPUT SPEED SENSOR

Check continuity between TCM vehicle side harness connector ter-

minal 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 SECONDARY SPEED SENSOR (POWER) (PART 1)

1. Turn ignition switch OFF.

2. Disconnect IPDM E/R connector.

3. Check continuity between IPDM E/R vehicle side harness con-

nector terminal and secondary speed sensor vehicle side har-

ness 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 SECONDARY SPEED SENSOR (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. If NG, repair or replace damaged

parts.

• Harness for short or open between ignition switch and

IPDM E/R

• 10A fuse (No. 34, located in IPDM E/R)

• Ignition switch

NO

>> Repair or replace damaged parts.

8.

CHECK HARNESS BETWEEN TCM AND 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 secondary speed sensor vehicle side harness con-

nector terminal.

Is the inspection result normal?

TCM vehicle side harness connector

Ground

Continuity

Connector

Terminal

F15

34

Not existed

AWDIA0111ZZ

IPDM E/R vehicle side harness 

connector

Secondary speed sensor vehi-

cle side harness connector

Continuity

Connector

Terminal

Connector

Terminal

F10 (A)

58

F23 (B)

3

Existed

AWDIA0112ZZ

IPDM E/R vehicle side harness connector

Ground

Continuity

Connector

Terminal

F10

58

Not existed

AWDIA0113ZZ

TCM vehicle side harness 

connector

Secondary speed sensor vehi-

cle side harness connector

Continuity

Connector

Terminal

Connector

Terminal

F15 (A)

7

F23 (B)

1

Existed

AWDIA0114ZZ

P0720 OUTPUT SPEED SENSOR

TM-63

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F09B]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

YES

>> GO TO 9.

NO

>> Repair or replace damaged parts.

9.

CHECK HARNESS BETWEEN TCM AND SECONDARY SPEED SENSOR (SENSOR GROUND) (PART 2)

Check continuity between TCM vehicle side harness connector ter-

minal 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-168, "Exploded View"

.

2. Perform “DTC CONFIRMATION PROCEDURE”. Refer to 

TM-60, "DTC Logic"

.

Is “P0720” detected?

YES

>> Replace the secondary speed sensor. Refer to 

TM-184, "Exploded View"

.

NO

>> Replace TCM. Refer to 

TM-168, "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-168, "Exploded View"

.

NO

>> Repair or replace damaged parts.

TCM vehicle side harness connector

Ground

Continuity

Connector

Terminal

F15

7

Not existed

AWDIA0109ZZ

 

 

 

 

 

 

 

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