NISSAN TEANA 2014 Service Manual

Page 4551 of 4801


TM-336
< DTC/CIRCUIT DIAGNOSIS >[CVT: RE0F10E]
P0841 TRANSMISSION FLUID
PRESSURE SEN/SW A
P0841 TRANSMISSION FLUID PRESSURE SEN/SW A
DTC LogicINFOID:0000000009464290
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Always drive vehicle at a safe speed.
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. Drive the vehicle.
3. Maintain the following condition for 10 seconds or more.
CAUTION:
Also keep the accelerator pedal position constant.
4. Stop the vehicle.
5. Check the first trip DTC.
Is
“P0841” detected?
YES >> Go to TM-336, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009464291
1.CHECK INTERMITTENT INCIDENT
Refer to GI-43, "Intermittent Incident"
.
Is the inspection result normal?
YES >> Replace the transaxle assembly. Refer to TM-407, "Removal and Installation".
NO >> Repair or replace damaged parts.
DTC CONSULT screen terms
(Trouble diagnosis content) DTC detection condition Possible cause
P0841 FLUID PRESS SEN/SW A
(Transmission Fluid Pres-
sure Sensor/Switch “A” Cir-
cuit Range/Performance) When all of the following conditions are sat-
isfied and this state is maintained for 5 sec-
onds:
• TCM power supply voltage: More than 11
V
• DTC other than the applicable DTC is not detected.
• Primary pulley speed: 300 rpm or more
• Secondary pulley speed: 250 rpm or more
• Target speed for shifting: Less than 0.1
seconds
• Primary pulley pressure is outside the specified value. • Harness or connectors
(Secondary pressure sensor circuit is
open or shorted.)
• Harness or connectors
(Primary pressure sens or circuit is open
or shorted.)
• Secondary pressure sensor
Selector lever : “D” position
Vehicle speed : Constant speed of 40 km/h (25 MPH)
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

Page 4552 of 4801


P0847 TRANSMISSION FLUID PRESSURE SEN/SW BTM-337
< DTC/CIRCUIT DIAGNOSIS > [CVT: RE0F10E]
C
EF
G H
I
J
K L
M A
B
TM
N
O P
P0847 TRANSMISSION FLUI D PRESSURE SEN/SW B
DTC LogicINFOID:0000000009464292
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
With CONSULT
1. Start the engine.
2. Select “Data Monitor” in “TRANSMISSION”.
3. Select “FLUID TEMP”.
4. Maintain the following conditions for 10 seconds or more.
5. Check the first trip DTC. With GST
1. Start the engine and wait for at least 10 seconds. CAUTION:
When the ambient temperature is less than −20 °C ( −4 °F) and the engine is cold, warm up the
engine for approximately 5 minutes.
2. Check the first trip DTC.
Is
“P0847”detected?
YES >> Go to TM-337, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009464293
1.CHECK TCM INPUT SIGNALS
1. Turn ignition switch OFF.
2. Start the engine.
3. Check voltage between TCM harness connector terminals.
Is the inspection result normal?
DTC CONSULT screen terms
(Trouble diagnosis content) DTC detection condition Possible causes
P0847 FLUID PRESS SEN/SW B
(Transmission Fluid Pressure
Sensor/Switch B Circuit Low) When all of the following conditions are satis-
fied and this state is maintained for 5 seconds:
• CVT fluid temperature: More than −20 °C ( −
4 °F)
• TCM power supply voltage: 11 V or more
• Secondary pressure sensor voltage: 0.09 V or less • Harness or connector
(Secondary pressure sensor circuit is
open or shorted to ground)
• Secondary pressure sensor
• Control valve assembly
FLUID TEMP : −20 °C ( −4°F)
+
−Condition Voltage
TCM
Connector Terminal
F16 16 Ground • Selector lever:
“N” position
• At idle 1.67 – 1.69 V
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

Page 4553 of 4801


TM-338
< DTC/CIRCUIT DIAGNOSIS >[CVT: RE0F10E]
P0847 TRANSMISSION FLUID
PRESSURE SEN/SW B
YES >> Check intermittent incident. Refer to GI-43, "Intermittent Incident".
NO >> GO TO 2.
2.CHECK CIRCUIT BETWEEN TCM AND CVT UNIT (PART 1)
1. Turn ignition switch OFF.
2. Disconnect TCM connector and CVT unit connector.
3. Check continuity between TCM harness connector terminals and CVT unit harness connector terminals.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace malfunctioning parts.
3.CHECK CIRCUIT BETWEEN TCM AND CVT UNIT (PART 2)
Check continuity between TCM harness connector terminals and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace malfunctioning parts.
4.CHECK TERMINAL CORD ASSEMBLY (PART 1)
1. Remove terminal cord assembly. Refer to TM-388, "Removal and Installation"
.
2. Check continuity between CVT unit harness connector terminals and control valve harness connector ter- minals.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace malfunctioning parts.
5.CHECK TERMINAL CORD ASSEMBLY (PART 2)
Check damage of terminal cord assembly.
Is the inspection result normal?
YES >> There is malfunction of secondary pressure sensor. Replace transaxle assembly. Refer to TM-
407, "Removal and Installation".
NO >> Repair or replace malfunctioning parts.
TCM CVT unit Continuity
Connector Terminal Connector Terminal
F16 11
F46 16
Existed
16 15
26 25
TCM —Continuity
Connector Terminal
F16 16
Ground Not existed
26
CVT unit Control valve Continuity
Connector Terminal Connector Terminal
F209 15
F207 12
Existed
16 13
25 11
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

Page 4554 of 4801


P0848 TRANSMISSION FLUID PRESSURE SEN/SW BTM-339
< DTC/CIRCUIT DIAGNOSIS > [CVT: RE0F10E]
C
EF
G H
I
J
K L
M A
B
TM
N
O P
P0848 TRANSMISSION FLUI D PRESSURE SEN/SW B
DTC LogicINFOID:0000000009464294
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PREPARATION BEFORE WORK
If another "DTC CONFIRMATION PROCEDURE" occurs ju st before, the ignition switch OFF and wait for at
least 10 seconds, then perform the next test.
>> GO TO 2.
2.CHECK DTC DETECTION
With CONSULT
1. Start the engine.
2. Select “Data Monitor” in “TRANSMISSION”.
3. Select “FLUID TEMP”.
4. Maintain the following conditions for 10 seconds or more.
5. Check the first trip DTC. With GST
1. Start the engine and wait for at least 10 seconds.
CAUTION:
When the ambient temperature is less than −20 °C ( −4 °F) and the engine is cold, warm up the
engine for approximately 5 minutes.
2. Check the first trip DTC.
Is
“P0848”detected?
YES >> Go to TM-339, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009464295
1.CHECK TCM INPUT SIGNALS
1. Turn ignition switch OFF.
2. Start the engine.
3. Check voltage between TCM harness connector terminals.
DTC CONSULT screen terms
(Trouble diagnosis content) DTC detection condition Possible causes
P0848 FLUID PRESS SEN/SW B
(Transmission Fluid Pressure
Sensor/Switch B Circuit Low) When all of the following conditions are satis-
fied and this state is maintained for 5 seconds:
• CVT fluid temperature: More than −20 °C ( −
4 °F)
• TCM power supply voltage: More than 11 V
• Instruction secondary pressure: 5.7 MPa or less
• Scondary pressure sensor voltage: 4.7 V or more • Harness or connector
(Secondary pressure sensor circuit is
shorted to power supply)
• Secondary pressure sensor
• Control valve assembly
FLUID TEMP : More than −20 °C ( −4 °F)
+
−Condition Voltage
TCM
Connector Terminal
F16 16 Ground • Selector lever:
“N” position
• At idle 1.67 – 1.69 V
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

Page 4555 of 4801


TM-340
< DTC/CIRCUIT DIAGNOSIS >[CVT: RE0F10E]
P0848 TRANSMISSION FLUID
PRESSURE SEN/SW B
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-43, "Intermittent Incident".
NO >> GO TO 2.
2.CHECK SECONDARY PRESSURE SENSOR POWER CIRCUIT
1. Turn ignition switch OFF.
2. Connect TCM connector.
3. Disconnect CVT unit connector.
4. Check voltage between CVT unit harness connector terminal and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace malfunctioning parts.
3.CHECK SECONDARY PRESSURE SENSOR SIGNAL CIRCUIT
Check voltage between CVT unit harness connector terminal and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace malfunctioning parts.
4.CHECK TERMINAL CORD ASSEMBLY
1. Turn ignition switch OFF.
2. Remove terminal cord assembly. Refer to TM-388, "Removal and Installation"
.
3. Check damage of terminal cord assembly.
Is the inspection result normal?
YES >> There is malfunction of secondary pressure sensor. Replace transaxle assembly. Refer to TM-
407, "Removal and Installation".
NO >> Repair or replace malfunctioning parts.
+
−Vo l ta g e
CVT unit
Connector Terminal F46 25 Ground Approx. 5.0 V
+ −Vo l ta g e
CVT unit
Connector Terminal F46 15 Ground Approx. 0 V
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

Page 4556 of 4801


P084C TRANSMISSION FLUID PRESSURE SEN/SW H
TM-341
< DTC/CIRCUIT DIAGNOSIS > [CVT: RE0F10E]
C
EF
G H
I
J
K L
M A
B
TM
N
O P
P084C TRANSMISSION FL UID PRESSURE SEN/SW H
DTC LogicINFOID:0000000009464296
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
With CONSULT
1. Start the engine.
2. Select “Data Monitor” in “TRANSMISSION”.
3. Select “FLUID TEMP”.
4. Maintain the following conditions for 10 seconds or more.
5. Check the first trip DTC. With GST
1. Start the engine and wait for at least 10 seconds. CAUTION:
When the ambient temperature is less than −20 °C ( −4 °F) and the engine is cold, warm up the
engine for approximately 5 minutes.
2. Check the first trip DTC.
Is
“P084C”detected?
YES >> Go to TM-341, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009464297
1.CHECK TCM INPUT SIGNALS
1. Turn ignition switch OFF.
2. Start the engine.
3. Check voltage between TCM harness connector terminals.
Is the inspection result normal?
DTC CONSULT screen terms
(Trouble diagnosis content) DTC detection condition Possible causes
P084C FLUID PRESS SEN/SW H
(Transmission Fluid Pressure
Sensor/Switch H Circuit Low) When all of the following conditions are satis-
fied and this state is maintained for 5 seconds:
• CVT fluid temperature: More than −20 °C ( −
4 °F)
• TCM power supply voltage: More than 11 V
• Primary pressure sensor voltage: 0.09 V or less • Harness or connector
(Primary pressure sensor circuit is
open or shorted to ground)
• Primary pres sure sensor
• Control valve assembly
FLUID TEMP : More than −20 °C ( −4 °F)
+
−Condition Voltage
TCM
Connector Terminal
F16 17 Ground • Selector lever:
“N” position
• At idle 0.90 – 0.92 V
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

Page 4557 of 4801


TM-342
< DTC/CIRCUIT DIAGNOSIS >[CVT: RE0F10E]
P084C TRANSMISSION FLUID PRESSURE SEN/SW H
YES >> Check intermitt
ent incident. Refer to GI-43, "Intermittent Incident".
NO >> GO TO 2.
2.CHECK CIRCUIT BETWEEN TCM AND CVT UNIT (PART 1)
1. Turn ignition switch OFF.
2. Disconnect TCM connector and CVT unit connector.
3. Check continuity between TCM harness connector terminals and CVT unit harness connector terminals.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace malfunctioning parts.
3.CHECK CIRCUIT BETWEEN TCM AND CVT UNIT (PART 2)
Check continuity between TCM harness connector terminals and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace malfunctioning parts.
4.CHECK TERMINAL CORD ASSEMBLY (PART 1)
1. Remove terminal cord assembly. Refer to TM-388, "Removal and Installation"
.
2. Check continuity between CVT unit harness connector terminals and control valve harness connector ter- minals.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace malfunctioning parts.
5.CHECK TERMINAL CORD ASSEMBLY (PART 2)
Check damage of terminal cord assembly.
Is the inspection result normal?
YES >> There is malfunction of primary pressure sensor. Replace transaxle assembly. Refer to TM-407,
"Removal and Installation".
NO >> Repair or replace malfunctioning parts.
TCM CVT unit Continuity
Connector Terminal Connector Terminal
F16 11
F46 16
Existed
17 1
26 25
TCM —Continuity
Connector Terminal
F16 17
Ground Not existed
26
CVT unit Control valve Continuity
Connector Terminal Connector Terminal
F209 1
F207 10
Existed
16 13
25 11
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

Page 4558 of 4801


P084D TRANSMISSION FLUID PRESSURE SEN/SW H
TM-343
< DTC/CIRCUIT DIAGNOSIS > [CVT: RE0F10E]
C
EF
G H
I
J
K L
M A
B
TM
N
O P
P084D TRANSMISSION FL UID PRESSURE SEN/SW H
DTC LogicINFOID:0000000009464298
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
With CONSULT
1. Start the engine.
2. Select “Data Monitor” in “TRANSMISSION”.
3. Select “FLUID TEMP”.
4. Maintain the following conditions for 10 seconds or more.
5. Check the first trip DTC. With GST
1. Start the engine and wait for at least 10 seconds. CAUTION:
When the ambient temperature is less than −20 °C ( −4 °F) and the engine is cold, warm up the
engine for approximately 5 minutes.
2. Check the first trip DTC.
Is
“P084D”detected?
YES >> Go to TM-343, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009464299
1.CHECK TCM INPUT SIGNALS
1. Turn ignition switch OFF.
2. Start the engine.
3. Check voltage between TCM harness connector terminals.
Is the inspection result normal?
DTC CONSULT screen terms
(Trouble diagnosis content) DTC detection condition Possible causes
P084D FLUID PRESS SEN/SW H
(Transmiision Fluid Pressure
Sensor/Switch “H” Circuit
High) When all of the following conditions are satis-
fied and this state is maintained for 5 seconds:
• CVT fluid temperature: More than −20 °C ( −
4 °F)
• TCM power supply voltage: More than 11 V
• Primary pressure sensor voltage: 4.7 V or more • Harness or connector
(Primary pressure sensor circuit is
open or shorted to ground)
• Primary pres sure sensor
• Control valve assembly
FLUID TEMP : More than −20 °C ( −4 °F)
+
−Condition Voltage
TCM
Connector Terminal
F16 17 Ground • Selector lever:
“N” position
• At idle 0.90 – 0.92 V
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

Page 4559 of 4801


TM-344
< DTC/CIRCUIT DIAGNOSIS >[CVT: RE0F10E]
P084D TRANSMISSION FLUID PRESSURE SEN/SW H
YES >> Check intermitt
ent incident. Refer to GI-43, "Intermittent Incident".
NO >> GO TO 2.
2.CHECK PRIMARY PRESSURE SENSOR POWER CIRCUIT
1. Turn ignition switch OFF.
2. Connect TCM connector.
3. Disconnect CVT unit connector.
4. Check voltage between CVT unit harness connector terminal and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace malfunctioning parts.
3.CHECK PRIMARY PRESSURE SENSOR SIGNAL CIRCUIT
Check voltage between CVT unit harness connector terminal and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace malfunctioning parts.
4.CHECK TERMINAL CORD ASSEMBLY
1. Turn ignition switch OFF.
2. Remove terminal cord assembly. Refer to TM-388, "Removal and Installation"
.
3. Check damage of terminal cord assembly.
Is the inspection result normal?
YES >> There is malfunction of primary pressure sensor. Replace transaxle assembly. Refer to TM-407,
"Removal and Installation".
NO >> Repair or replace malfunctioning parts.
+
−Vo l ta g e
CVT unit
Connector Terminal F46 25 Ground Approx. 5.0 V
+ −Vo l ta g e
CVT unit
Connector Terminal F46 1 Ground Approx. 0 V
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

Page 4560 of 4801


P0863 TCM COMMUNICATIONTM-345
< DTC/CIRCUIT DIAGNOSIS > [CVT: RE0F10E]
C
EF
G H
I
J
K L
M A
B
TM
N
O P
P0863 TCM COMMUNICATION
DTC LogicINFOID:0000000009464300
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-345, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009464301
1.CHECK INTERMITTENT INCIDNT
Refer to GI-43, "Intermittent Incident"
.
Is the inspection result normal?
YES >> Replace TCM. Refer to TM-384, "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
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

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