NISSAN TEANA 2008 Service Manual

TM-58
< COMPONENT DIAGNOSIS >[CVT: RE0F09B]
P0720 VEHICLE SPEED SENSOR CVT (SECONDARY SPEED SENSOR)
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-153, "
Exploded View".
2. Connect each connector.
3. Perform “DTC CONFIRMATION PROCEDURE”. Refer to TM-55, "
DTC Logic".
Is
“P0720 VEH SPD SEN/CIR AT” detected?
YES >> Replace output speed sensor (secondary speed sensor). Refer to TM-161, "Exploded View".
NO >> Replace TCM. Refer to TM-153, "
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-153, "Exploded View".
NO >> Repair or replace damaged parts.
TCM vehicle side harness connectorOutput 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
GroundContinuity
Connector Terminal
F23 7 Not existed

P0725 ENGINE SPEED SIGNAL
TM-59
< COMPONENT DIAGNOSIS >[CVT: RE0F09B]
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P0725 ENGINE SPEED SIGNAL
DescriptionINFOID:0000000003848970
The engine speed signal is transmitted from ECM to TCM via CAN communication line.
DTC LogicINFOID:0000000003848971
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-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-59, "Diagnosis Procedure".
NO >> Check intermittent incident. Refer to GI-35, "
Intermittent Incident".
Diagnosis ProcedureINFOID:0000000003848972
1.CHECK DTC WITH ECM
With CONSULT-III
1. Turn ignition switch ON.
2. Perform “Self-Diagnostic Results” mode for “ENGINE”.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Check DTC detected item. Refer to EC-389, "
DTCIndex".
2.CHECK DTC WITH TCM
With CONSULT-III
Perform “Self-Diagnostic Results” mode for “TRANSMISSION”.
Is
“P0725 ENGINE SPEED SIG” detected?
YES >> Replace TCM. Refer toTM-153, "Exploded View".
NO >> GO TO 3.
3.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-153, "Exploded View".
NO >> Repair or replace damaged parts.
DTCItem
(CONSULT-III screen term)Malfunction is detected when... Possible cause
P0725 ENGINE SPEED SIG TCM does not receive the CAN communi-
cation 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 1,000 rpm

TM-60
< COMPONENT DIAGNOSIS >[CVT: RE0F09B]
P0730 BELT DAMAGE
P0730 BELT DAMAGE
DescriptionINFOID:0000000003848973
TCM selects the gear ratio using the engine load (throttle position), the primary pulley revolution speed, and
the secondary pulley revolution speed as input signals. Then it changes the operating pressure of the primary
pulley and the secondary pulley and changes the groove width of the pulley.
DTC LogicINFOID:0000000003848974
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-III
1. Turn ignition switch ON.
2. Select “Data Monitor” mode for “TRANSMISSION”.
3. Make sure that output voltage of CVT fluid temperature sensor is within the range below.
4. Start engine and maintain the following conditions for at least 30 consecutive seconds.
Is
“P0730 BELT DAMG” detected?
YES >> Go to TM-60, "Diagnosis Procedure".
NO >> Check intermittent incident. Refer to GI-35, "
Intermittent Incident".
Diagnosis ProcedureINFOID:0000000003848975
1.CHECK DTC
With CONSULT-III
1. Turn ignition switch ON.
2. Perform “Self-Diagnostic Results” mode for “TRANSMISSION”.
Are any DTC detected?
YES-1 (DTC for “P0730 BELT DAMG” is detected)>>Replace transaxle assembly. Refer to TM-168,
"Exploded View".
YES-2 (DTC except for “P0730 BELT DAMG” is detected)>>Check DTC detected item. Refer to TM-37,
"CONSULT-III Function (TRANSMISSION)".
NO >> GO TO 2.
2.DETECT MALFUNCTIONING ITEMS
DTCItem
(CONSULT-III screen term)Malfunction is detected when... Possible cause
P0730 BELT DAMG Unexpected gear ratio detected. Transaxle assembly
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)
Start test from 0 km/h (0 MPH)
Constant acceleration : Keep 30 sec or more
VEHICLE SPEED : 10 km/h (6 MPH) or more
ACC PEDAL OPEN : More than 1.0/8
RANGE : “D” position
ENG SPEED : 450 rpm or more

P0730 BELT DAMAGE
TM-61
< COMPONENT DIAGNOSIS >[CVT: RE0F09B]
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Check TCM connector pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?
YES >> Replace TCM. Refer to TM-153, "Exploded View".
NO >> Repair or replace damaged parts.

TM-62
< COMPONENT DIAGNOSIS >[CVT: RE0F09B]
P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE
P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE
DescriptionINFOID:0000000003848976
 The torque converter clutch solenoid valve is activated by the TCM in response to signals sent from the vehi-
cle speed and accelerator pedal position sensors. Lock-up piston operation will then be controlled.
 Lock-up operation, however, is prohibited when CVT fluid temperature is too low.
 When the accelerator pedal is depressed (less than 2.0/8) in lock-up condition, the engine speed shall not
change abruptly. If there is a big jump in engine speed, there is no lock-up.
DTC LogicINFOID:0000000003848977
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-III
1. Turn ignition switch ON.
2. Wait at least 10 consecutive seconds.
3. Perform “Self-Diagnostic Results” mode for “TRANSMISSION”.
With GST
Follow the procedure “With CONSULT-III”.
Is
“P0740 TCC SOLENOID/CIRC” detected?
YES >> Go to TM-62, "Diagnosis Procedure".
NO >> Check intermittent incident. Refer to GI-35, "
Intermittent Incident".
Diagnosis ProcedureINFOID:0000000003848978
1.CHECK TORQUE CONVERTER CLUTCH SOLENOID VALVE CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect TCM connector.
3. Check resistance between TCM vehicle side harness connector terminal and ground.
Is the inspection result normal?
YES >> GO TO 5.
NO >> GO TO 2.
2.CHECK HARNESS BETWEEN TCM AND CVT UNIT (TORQUE CONVERTER CLUTCH SOLENOID
VA LV E ) ( PA R T 1 )
1. Disconnect CVT unit connector.
2. Check continuity between TCM vehicle side harness connector terminal and CVT unit vehicle side har-
ness connector terminal.
DTCItem
(CONSULT-III screen term)Malfunction is detected when... Possible cause
P0740 TCC SOLENOID/CIRCNormal voltage is not applied to solenoid
due to open or short circuit. Torque converter clutch solenoid valve
 Harness or connectors
(Solenoid circuit is open or shorted.)
TCM vehicle side harness connector
GroundResistance (Approx.)
Connector Terminal
F23 38 3.0 – 9.0 Ω

P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE
TM-63
< COMPONENT DIAGNOSIS >[CVT: RE0F09B]
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Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace damaged parts.
3.CHECK HARNESS BETWEEN TCM AND CVT UNIT (TORQUE CONVERTER CLUTCH SOLENOID
VALVE) (PART 2)
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 TORQUE CONVERTER CLUTCH SOLENOID VALVE
Check torque converter clutch solenoid valve. Refer to TM-63, "
Component Inspection (Torque Converter
Clutch Solenoid Valve)".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace transaxle assembly. Refer to TM-168, "
Exploded View".
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-153, "Exploded View".
NO >> Repair or replace damaged parts.
Component Inspection (Torque Converter Clutch Solenoid Valve)INFOID:0000000003848979
1.CHECK TORQUE CONVERTER CLUTCH 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-168, "
Exploded View".
TCM vehicle side harness connector CVT unit vehicle side harness connector
Continuity
Connector Terminal Connector Terminal
F2338F2412Existed
TCM vehicle side harness connector
GroundContinuity
Connector Terminal
F23 38 Not existed
CVT unit connector
GroundResistance (Approx.)
Connector Terminal
F24 12 3.0 – 9.0 Ω

TM-64
< COMPONENT DIAGNOSIS >[CVT: RE0F09B]
P0744 A/T TCC S/V FUNCTION (LOCK -UP)
P0744 A/T TCC S/V FUNCTION (LOCK -UP)
DescriptionINFOID:0000000003848980
This malfunction is detected when the torque converter clutch does not lock-up as instructed by the TCM. This
is not only caused by electrical malfunctions (circuits open or shorted), but also by mechanical malfunctions
such as control valve sticking, improper solenoid valve operation, etc.
DTC LogicINFOID:0000000003848981
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-III
1. Turn ignition switch ON.
2. Select “Data Monitor” mode for “TRANSMISSION”.
3. Start engine and maintain the following condition for at least 30 seconds.
With GST
Follow the procedure “With CONSULT-III”.
Is
“P0744 A/T TCC S/V FNCTN” detected?
YES >> Go to TM-64, "Diagnosis Procedure".
NO >> Check intermittent incident. Refer to GI-35, "
Intermittent Incident".
Diagnosis ProcedureINFOID:0000000003848982
1.CHECK LINE PRESSURE
Perform line pressure test. Refer to TM-146, "
Inspection and Judgment".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace damaged parts. Refer to TM-146, "
Inspection and Judgment".
2.CHECK TORQUE CONVERTER CLUTCH SOLENOID VALVE
1. Turn ignition switch OFF.
2. Disconnect CVT unit connector.
3. Check torque converter clutch solenoid valve. Refer to TM-65, "
Component Inspection (Torque Converter
Clutch Solenoid Valve)".
Is the inspection result normal?
DTCItem
(CONSULT-III screen term)Malfunction is detected when... Possible cause
P0744 A/T TCC S/V FNCTN CVT cannot perform lock-up even if elec-
trical circuit is good.
 TCM detects as irregular by comparing
reference value with slip rotation.
 There is a big difference between engine
speed and primary speed sensor when
TCM lock-up signal is on. Torque converter clutch solenoid valve
Hydraulic control circuit
ACC PEDAL OPEN : More than 1.0/8
RANGE : “D” position
VEHICLE SPEED : Constant speed of more than 40 km/h (25 MPH)

P0744 A/T TCC S/V FUNCTION (LOCK -UP)
TM-65
< COMPONENT DIAGNOSIS >[CVT: RE0F09B]
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YES >> GO TO 3.
NO >> Replace transaxle assembly. Refer to TM-168, "
Exploded View".
3.CHECK LOCK-UP SELECT SOLENOID VALVE
Check lock-up select solenoid valve. Refer to TM-65, "
Component Inspection (Lock-up Select Solenoid
Va l v e )".
Is the inspection result normal?
YES >> GO TO 4.
NO >> Replace transaxle assembly. Refer to TM-168, "
Exploded View".
4.CHECK OUTPUT SPEED SENSOR (SECONDARY SPEED SENSOR) SYSTEM
Check output speed sensor (secondary speed sensor) system. Refer to TM-55, "
DTC Logic".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace damaged parts.
5.CHECK INPUT SPEED SENSOR (PRIMARY SPEED SENSOR) SYSTEM
Check input speed sensor (primary speed sensor) system. Refer to TM-52, "
DTC Logic".
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair or replace damaged parts.
6.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-153, "Exploded View".
NO >> Repair or replace damaged parts.
Component Inspection (Torque Converter Clutch Solenoid Valve)INFOID:0000000003848983
1.CHECK TORQUE CONVERTER CLUTCH 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-168, "
Exploded View".
Component Inspection (Lock-up Select Solenoid Valve)INFOID:0000000003848984
1.CHECK LOCK-UP SELECT 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-168, "
Exploded View".
CVT unit connector
GroundResistance (Approx.)
Connector Terminal
F24 12 3.0 – 9.0 Ω
CVT unit connector
GroundResistance (Approx.)
Connector Terminal
F24 13 6.0 – 19.0 Ω

TM-66
< COMPONENT DIAGNOSIS >[CVT: RE0F09B]
P0745 LINE PRESSURE SOLENOID VALVE
P0745 LINE PRESSURE SOLENOID VALVE
DescriptionINFOID:0000000003848985
The pressure control solenoid valve A (line pressure solenoid valve) regulates the oil pump discharge pres-
sure to suit the driving condition in response to the signal sent from the TCM.
DTC LogicINFOID:0000000003848986
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-III
1. Turn ignition switch ON.
2. Start engine and wait at least 5 seconds.
3. Perform “Self-Diagnostic Results” mode for “TRANSMISSION”.
With GST
Follow the procedure “With CONSULT-III”.
Is
“P0745 L/PRESS SOL/CIRC” detected?
YES >> Go to TM-66, "Diagnosis Procedure".
NO >> Check intermittent incident. Refer to GI-35, "
Intermittent Incident".
Diagnosis ProcedureINFOID:0000000003848987
1.CHECK PRESSURE CONTROL SOLENOID VALVE A (LINE PRESSURE SOLENOID VALVE) CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect TCM connector.
3. Check resistance between TCM vehicle side harness connector terminal and ground.
Is the inspection result normal?
YES >> GO TO 5.
NO >> GO TO 2.
2.CHECK HARNESS BETWEEN TCM AND CVT UNIT [PRESSURE CONTROL SOLENOID VALVE A (LINE
PRESSURE SOLENOID VALVE)] (PART 1)
1. Disconnect CVT unit connector.
2. Check continuity between TCM vehicle side harness connector terminal and CVT unit vehicle side har-
ness connector terminal.
DTCItem
(CONSULT-III screen term)Malfunction is detected when... Possible cause
P0745 L/PRESS SOL/CIRC Normal voltage is not applied to solenoid
due to open or short circuit.
 TCM detects as irregular by comparing
target value with monitor value. Harness or connectors
(Solenoid circuit is open or shorted.)
 Pressure control solenoid valve A (line
pressure solenoid valve)
TCM vehicle side harness connector
GroundResistance (Approx.)
Connector Terminal
F23 40 3.0 – 9.0 Ω
TCM vehicle side harness connector CVT unit vehicle side harness connector
Continuity
Connector Terminal Connector Terminal
F2340F24 2Existed

P0745 LINE PRESSURE SOLENOID VALVE
TM-67
< COMPONENT DIAGNOSIS >[CVT: RE0F09B]
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Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace damaged parts.
3.CHECK HARNESS BETWEEN TCM AND CVT UNIT [PRESSURE CONTROL SOLENOID VALVE A (LINE
PRESSURE SOLENOID VALVE)] (PART 2)
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 PRESSURE CONTROL SOLENOID VALVE A (LINE PRESSURE SOLENOID VALVE)
Check pressure control solenoid valve A (line pressure solenoid valve). Refer to TM-67, "
Component Inspec-
tion [Pressure Control Solenoid Valve A (Line Pressure Solenoid Valve)]"
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace transaxle assembly. Refer to TM-168, "
Exploded View".
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-153, "Exploded View".
NO >> Repair or replace damaged parts.
Component Inspection [Pressure Control Solenoid Valve A (Line Pressure Solenoid
Va l v e ) ]
INFOID:0000000003848988
1.CHECK PRESSURE CONTROL SOLENOID VALVE A (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-168, "
Exploded View".
TCM vehicle side harness connector
GroundContinuity
Connector Terminal
F23 40 Not existed
CVT unit connector
GroundResistance (Approx.)
Connector Terminal
F24 2 3.0 – 9.0 Ω