Nissan Qashqai J11. Manual - part 692

P0863 TCM COMMUNICATION

TM-343

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F10D]

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P0863 TCM COMMUNICATION

DTC Logic

INFOID:0000000010589335

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PREPARATION BEFORE WORK

If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition switch OFF and wait for at
least 10 seconds, then perform the next test.

>> GO TO 2.

2.

CHECK DTC DETECTION

1.

Start the engine.

2.

Check the DTC.

Is “P0863” detected?

YES

>> Go to 

TM-343, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010589336

1.

CHECK INTERMITTENT INCIDNT

Refer to 

GI-41, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace TCM. Refer to 

TM-391, "Removal and Installation"

.

NO

>> Repair or replace malfunctioning parts.

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

Possible causes

P0863

CONTROL UNIT (CAN)
(TCM Communication Circuit)

An error is detected at the initial CAN diagnosis of 
TCM. 

TCM

TM-344

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F10D]

P0890 TCM

P0890 TCM

DTC Logic

INFOID:0000000010589337

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PREPARATION BEFORE WORK

If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition switch OFF and wait for at
least 10 seconds, then perform the next test.

>> GO TO 2.

2.

CHECK DTC DETECTION

1.

Start the engine and wait for 5 seconds or more.

2.

Check the DTC.

Is “P0890” detected?

YES

>> Go to 

TM-344, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010589338

1.

CHECK TCM POWER SUPPLY (BACK-UP) CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect TCM connector.

3.

Check voltage between TCM harness connector terminals and ground.

Is the inspection result normal?

YES 

>> GO TO 3.

NO

>> GO TO 2.

2.

DETECT MALFUNCTIONING ITEMS

Check the following items:
• Open circuit or short circuit in harness between battery positive terminal and TCM connector terminals 45,

and 46.

• 10A fuse (No.42, located in the fuse and fusible link block). Refer to 

PG-99, "Fuse and Fusible Link Arrange-

ment (Gasilone Engine)"

.

Is the inspection result normal?

YES >> Check 

intermittent incident. Refer to 

GI-41, "Intermittent Incident"

.

NO

>> Repair or replace malfunctioning parts.

3.

CHECK INTERMITTENT INCIDENT

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

Possible causes

P0890

TCM
(Transmission Control Module 
Power Relay Sense Circuit 
Low)

When all of the following conditions are satis-
fied and this state is maintained for 0.2 sec-
onds:
• TCM power supply voltage: More than 11 V
• Battery voltage: Less than 8.4 V

• Harness or connector

(TCM power supply (back-up) circuit is 
open or shorted.)

• TCM

+

−

Voltage

TCM

Connector

Terminal

F2

45

Ground

10 – 16 V

46

P0890 TCM

TM-345

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F10D]

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Refer to 

GI-41, "Intermittent Incident"

.

Is the inspection result normal?

YES 

>> Replace TCM. Refer to 

TM-391, "Removal and Installation"

.

NO

>> Repair or replace malfunctioning parts.

TM-346

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F10D]

P0962 PRESSURE CONTROL SOLENOID A

P0962 PRESSURE CONTROL SOLENOID A

DTC Logic

INFOID:0000000010589339

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PREPARATION BEFORE WORK

If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition switch OFF and wait for at
least 10 seconds, then perform the next test.

>> GO TO 2.

2.

CHECK DTC DETECTION

1.

Start the engine and wait for 5 seconds or more.

2.

Check the first trip DTC.

Is “P0962” detected?

YES

>> Go to 

TM-346, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010589340

1.

CHECK CIRCUIT BETWEEN TCM AND CVT UNIT

1.

Turn ignition switch OFF.

2.

Disconnect TCM connector and CVT unit connector.

3.

Check continuity between TCM harness connector terminal and ground. 

Is the inspection result normal?

YES 

>> GO TO 2.

NO

>> Repair or replace damaged parts.

2.

CHECK CIRCUIT BETWEEN CVT UNIT AND GROUND

Check continuity between CVT unit harness connector terminal and ground. 

Is the inspection result normal?

YES >> Check 

intermittent incident. Refer to 

GI-41, "Intermittent Incident"

.

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

Possible causes

P0962

PC SOLENOID A
(Pressure Control Solenoid A 
Control Circuit Low)

When all of the following conditions are satis-
fied and this state is maintained for 0.2 sec-
onds:
• TCM power supply voltage: More than 11 V
• TCM judges that solenoid valve circuit is 

shorted to ground. 

• Harness or connector

(Line pressure solenoid valve circuit is 
shorted to ground)

• Line pressure solenoid valve

TCM

—

Continuity

Connector

Terminal

F2

30

Ground

Not existed

CVT unit

—

Condition

Resistance

Connector

Terminal

F207

1

Ground

CVT fluid temperature: 20

°

C (68

°

F)

5.5 – 7.0 

Ω

CVT fluid temperature: 50

°

C (122

°

F)

6.0 – 8.0 

Ω

CVT fluid temperature: 80

°

C (176

°

F)

6.5 – 8.5 

Ω