Nissan Maxima. Manual - part 1157

 

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Nissan Maxima. Manual - part 1157

 

 

TM-92

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F09B]

P0845 TRANSMISSION FLUID PRESSURE SEN/SW B

2)
Check continuity between TCM vehicle side harness connector ter-

minals and ground.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Repair or replace damaged parts.

7.

CHECK TCM

1. Replace with the same type of TCM. Refer to 

TM-168, "Exploded View"

.

2. Connect each connector.

3. Perform “DTC CONFIRMATION PROCEDURE”. Refer to 

TM-90, "DTC Logic"

.

Is “P0845” detected?

YES

>> Replace transaxle assembly. Refer to 

TM-188, "Exploded View"

.

NO

>> Replace TCM. Refer to 

TM-168, "Exploded View"

.

8.

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

25

Not existed

26

AWDIA0136ZZ

P0868 TRANSMISSION FLUID PRESSURE

TM-93

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F09B]

C

E

F

G

H

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B

TM

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P0868 TRANSMISSION FLUID PRESSURE

Description

INFOID:0000000010113654

The secondary pressure solenoid valve regulates the secondary pressure to suit the driving condition in

response to a signal sent from the TCM.

DTC Logic

INFOID:0000000010113655

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. Check that output voltage of CVT fluid temperature sensor is within the range below.

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

Is “P0868” detected?

YES

>> Go to 

TM-93, "Diagnosis Procedure"

.

NO

>> Check intermittent incident. Refer to 

GI-41, "Intermittent Incident"

.

Diagnosis Procedure

INFOID:0000000010113656

1.

CHECK LINE PRESSURE

Perform line pressure test. Refer to 

TM-162, "Inspection and Judgment"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace damaged parts. Refer to 

TM-162, "Inspection and Judgment"

.

2.

CHECK SECONDARY PRESSURE SOLENOID VALVE

1. Turn ignition switch OFF.

2. Disconnect CVT unit connector.

3. Check secondary pressure solenoid valve. Refer to 

TM-94, "Component Inspection (Secondary Pressure

Solenoid Valve)"

.

DTC

Trouble diagnosis name

DTC is detected if...

Possible cause

P0868

Transmission Fluid Pressure 
Low

Secondary fluid pressure is too low com-
pared with the commanded value while driv-
ing.

• Harness or connectors

(Solenoid circuit is open or shorted.)

• Secondary pressure solenoid valve sys-

tem

• Secondary pressure sensor
• Line pressure control system

ATF TEMP SEN

: 1.0 – 2.0 V

If it is out of range, drive the vehicle to decrease the voltage (warm up the fluid) or stop engine to increase the voltage 
(cool down the fluid)

VEHICLE SPEED (accelerate slow-
ly)

: 0 

→ 50 km/h (31 MPH)

ACC PEDAL OPEN

: 0.5/8 – 1.0/8

RANGE

: “D” position

TM-94

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F09B]

P0868 TRANSMISSION FLUID PRESSURE

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace damaged parts.

3.

CHECK LINE PRESSURE SOLENOID VALVE

Check line pressure solenoid valve. Refer to 

TM-94, "Component Inspection (Line Pressure Solenoid Valve)"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace damaged parts.

4.

CHECK SECONDARY PRESSURE SENSOR SYSTEM

Check secondary pressure sensor system. Refer to 

TM-85, "DTC Logic"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace damaged parts.

5.

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.

Component Inspection (Line Pressure Solenoid Valve)

INFOID:0000000010113657

1.

CHECK LINE PRESSURE SOLENOID VALVE

Check resistance between CVT unit connector terminal and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace transaxle assembly. Refer to 

TM-188,

"Exploded View"

.

Component Inspection (Secondary Pressure Solenoid Valve)

INFOID:0000000010113658

1.

CHECK SECONDARY PRESSURE SOLENOID VALVE

Check resistance between CVT unit connector terminal and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace transaxle assembly. Refer to 

TM-188,

"Exploded View"

.

CVT unit connector

Ground

Resistance 

(Approx.)

Connector

Terminal

F15

2

3.0 – 9.0 

SCIA4686E

CVT unit connector

Ground

Resistance 

(Approx.)

Connector

Terminal

F15

3

3.0 – 9.0 

AWDIA0123ZZ

P1701 TCM

TM-95

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F09B]

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P1701 TCM

Description

INFOID:0000000010113659

When the power supply to the TCM is cut off, for example because the battery is removed, and the self-diag-

nosis memory function stops, a malfunction is detected.

NOTE:

Since “P1701” is indicated when replacing TCM, perform diagnosis after erasing “Self Diagnostic Results”.

DTC Logic

INFOID:0000000010113660

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

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. Wait for at least 2 consecutive seconds.

3. Perform “Self Diagnostic Results” in “TRANSMISSION”.
Is “P1701” detected?

YES

>> Go to 

TM-95, "Diagnosis Procedure"

.

NO

>> Check intermittent incident. Refer to 

GI-41, "Intermittent Incident"

.

Diagnosis Procedure

INFOID:0000000010113661

Regarding Wiring Diagram information, refer to 

TM-126, "Wiring Diagram"

.

1.

CHECK TCM POWER SOURCE

1. Turn ignition switch OFF.

2. Disconnect TCM connector.

3. Check voltage between TCM vehicle side harness connector

terminals.

DTC

Trouble diagnosis name

DTC is detected if...

Possible cause

P1701

Power Supply Circuit

• When the power supply to the TCM is cut 

off, for example because the battery is re-
moved, and the self-diagnosis memory 
function stops.

• This is not a malfunction message (When-

ever shutting off a power supply to the 
TCM, this message appears on the 
screen).

Harness or connectors
(Battery or ignition switch and TCM circuit is 
open or shorted.)

TCM vehicle side harness connector

Condition

Voltage

(Approx.)

Connector

Terminal

AWDIA0140ZZ

 

 

 

 

 

 

 

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