2008 NISSAN TEANA Service Manual

coolant temperature steering wheel clock keyless differential gearbox

Page 4729 of 5121

NISSAN TEANA 2008 Service Manual TM-256
< COMPONENT DIAGNOSIS >[CVT: RE0F10A]
P1723 CVT SPEED SENSOR FUNCTION
YES >> Repair or replace damaged parts. Refer to TM-264, "DTC Logic".
NO >> GO TO 2.
2.CHECK OUTPUT SPEED SENSOR (SECONDARY

Page 4730 of 5121

NISSAN TEANA 2008 Service Manual P1726 ELECTRIC THROTTLE CONTROL SYSTEM
TM-257
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P1726 ELECTRIC THROTTLE CONTROL SYSTEM
DescriptionINFOID:0000000003806461
The electr

P1726 ELECTRIC THROTTLE CONTROL SYSTEM
TM-257
< COMPONENT DIAGNOSIS >[CVT: RE0F10A]
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P1726 ELECTRIC THROTTLE CONTROL SYSTEM
DescriptionINFOID:0000000003806461
The electric throttle control actuator consists of throttle control motor, accelerator pedal position sensor, throt-
tle position sensor, etc. The actuator sends a signal to the ECM, and ECM sends the signal to TCM via CAN
communication.
DTC LogicINFOID:0000000003806462
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
NOTE:
If “DTC CONFIRMATION PROCEDURE” has been previously performed, always turn ignition switch
OFF. Then wait at least 10 seconds before performing the next test.
Perform the following procedure to confirm the malfunction is eliminated after the repair.
1.CHECK DTC DETECTION
With CONSULT-III
1. Turn ignition switch ON.
2. Start engine and let it idle for 5 seconds.
3. Select “Self Diagnostic Results” mode for “TRANSMISSION”.
Is
“P1726 ELEC TH CONTROL” detected?
YES >> Go to TM-257, "Diagnosis Procedure".
NO >> Check intermittent incident. Refer to GI-35, "
Intermittent Incident".
Diagnosis ProcedureINFOID:0000000003806463
1.CHECK DTC WITH ECM
With CONSULT-III
1. Turn ignition switch ON.
2. Select “Self Diagnostic Results” mode for “ENGINE”.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Check the DTC Detected Item. Refer to EC-113, "
CONSULT-III Function".
2.CHECK DTC WITH TCM
With CONSULT-III
Select “Self Diagnostic Results” mode for “TRANSMISSION”.
Is
“P1726 ELEC TH CONTROL” detected?
YES >> Replace TCM. Refer to TM-315, "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-315, "Exploded View".
NO >> Repair or replace damaged parts.
DTCItem
(CONSULT-III screen term)Malfunction is detected when... Possible cause
P1726 ELEC TH CONTROLThe electronically controlled
throttle for ECM is malfunction-
ing.Harness or connectors
(Sensor circuit is open or short-
ed.)

Page 4731 of 5121

NISSAN TEANA 2008 Service Manual TM-258
< COMPONENT DIAGNOSIS >[CVT: RE0F10A]
P1740 LOCK-UP SELECT SOLENOID VALVE
P1740 LOCK-UP SELECT SOLENOID VALVE
DescriptionINFOID:0000000003806464
The lock-up select solenoid valve controls loc

TM-258
< COMPONENT DIAGNOSIS >[CVT: RE0F10A]
P1740 LOCK-UP SELECT SOLENOID VALVE
P1740 LOCK-UP SELECT SOLENOID VALVE
DescriptionINFOID:0000000003806464
The lock-up select solenoid valve controls lock-up clutch pressure or forward clutch pressure (reverse brake
pressure).
When controlling lock-up clutch, the valve is turned OFF. When controlling forward clutch, it is turned ON.
DTC LogicINFOID:0000000003806465
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If “DTC CONFIRMATION PROCEDURE” has been previously performed, always turn ignition switch
OFF. Then wait at least 10 seconds before performing the next test.
Perform the following procedure to confirm the malfunction is eliminated after the repair.
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 5 consecutive seconds.
With GST
Follow the procedure “With CONSULT-III”.
Is
“P1740 LU-SLCT SOL/CIRC” detected?
YES >> Go to TM-258, "Diagnosis Procedure".
NO >> Check intermittent incident. Refer to GI-35, "
Intermittent Incident".
Diagnosis ProcedureINFOID:0000000003806466
1.CHECK LOCK-UP SELECT 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.
DTCItem
(CONSULT-III screen term)Malfunction is detected when... Possible cause
P1740 LU-SLCT SOL/CIRC Normal voltage is not applied
to solenoid due to cut line,
short, etc.
TCM detects as irregular by
comparing target value with
monitor value. Lock-up select solenoid valve
Harness or connectors
(Solenoid circuit is open or
shorted.)
RANGE : “D” and “N” positions
(At each time, wait for 5 seconds.)
TCM vehicle side harness connector
GroundResistance (Approx.)
Connector Terminal
F23 37 17.0 – 38.0 Ω

Page 4732 of 5121

NISSAN TEANA 2008 Service Manual P1740 LOCK-UP SELECT SOLENOID VALVE
TM-259
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2.CHECK HARNESS BETWEEN TCM AND CVT UNIT (LOCK-UP SELECT SOLENOID VALVE) (PART 1)
1. Di

Page 4733 of 5121

NISSAN TEANA 2008 Service Manual TM-260
< COMPONENT DIAGNOSIS >[CVT: RE0F10A]
P1745 LINE PRESSURE CONTROL
P1745 LINE PRESSURE CONTROL
DescriptionINFOID:0000000003806468
The pressure control solenoid valve A (line pressure solenoid va

Page 4734 of 5121

NISSAN TEANA 2008 Service Manual P1777 STEP MOTOR
TM-261
< COMPONENT DIAGNOSIS >[CVT: RE0F10A]
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P1777 STEP MOTOR
DescriptionINFOID:0000000003806471
The step motor changes the step by turning 4 coils ON/

Page 4735 of 5121

NISSAN TEANA 2008 Service Manual TM-262
< COMPONENT DIAGNOSIS >[CVT: RE0F10A]
P1777 STEP MOTOR
Is the inspection result normal?
YES >> GO TO 5.
NO >> GO TO 2.
2.CHECK HARNESS BETWEEN TCM AND CVT UNIT (STEP MOTOR) (PART 1)
1. Disconne

Page 4736 of 5121

NISSAN TEANA 2008 Service Manual P1777 STEP MOTOR
TM-263
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Component Inspection (Step Motor)INFOID:0000000003806474
1.STEP MOTOR
Check resistance between CVT unit co

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