2008 NISSAN TEANA Service Manual

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NISSAN TEANA 2008 Service Manual TM-176
< BASIC INSPECTION >[CVT: RE0F10A]
DIAGNOSIS AND REPAIR WORK FLOW
BASIC INSPECTION
DIAGNOSIS AND REPAIR WORK FLOW
Work FlowINFOID:0000000003806344
INTRODUCTION
The TCM receives signals from the

TM-176
< BASIC INSPECTION >[CVT: RE0F10A]
DIAGNOSIS AND REPAIR WORK FLOW
BASIC INSPECTION
DIAGNOSIS AND REPAIR WORK FLOW
Work FlowINFOID:0000000003806344
INTRODUCTION
The TCM receives signals from the vehicle speed sensor and PNP switch. Then it provides shift control or
lock-up control via CVT solenoid valves.
The TCM also communicates with the ECM by means of signals
sent from sensing elements used with the OBD-related parts of the
CVT system for malfunction-diagnostic purposes. The TCM is capa-
ble of diagnosing malfunctioning parts while the ECM can store mal-
functions in its memory.
Input and output signals must always be correct and stable in the
operation of the CVT system. The CVT system must be in good
operating condition and be free of valve seizure, solenoid valve mal-
function, etc.
It is much more difficult to diagnose a malfunction that occurs inter-
mittently rather than continuously. Most intermittent malfunctions are
caused by poor electric connections or improper wiring. In this case,
careful checking of suspected circuits may help prevent the replace-
ment of good parts.
A visual check only may not find the cause of the malfunctions. A
road test with CONSULT-III (or GST) or a circuit tester connected
should be performed. Follow the “DETAILED FLOW”.
Before undertaking actual checks, take a few minutes to talk with a
customer who approaches with a driveability complaint. The cus-
tomer can supply good information about such malfunctions, espe-
cially intermittent ones. Find out what symptoms are present and
under what conditions they occur. A “Diagnostic Work Sheet” as
shown on the example (Refer to TM-177
) should be used.
Start your diagnosis by looking for “conventional” malfunctions first.
This will help troubleshoot driveability malfunctions on an electroni-
cally controlled engine vehicle.
Also check related Service Bulletins.
DETAILED FLOW
1.COLLECT THE INFORMATION FROM THE CUSTOMER
Get the detailed information from the customer about the symptom (the condition and the environment when
the incident/malfunction occurred) using the diagnosis work sheet. Refer to TM-177, "
Diagnostic Work Sheet".
>> GO TO 2.
2.CHECK SYMPTOM 1
Check the following items based on the information obtained from the customer.
Fail-safe. Refer to TM-283, "
Fail-safe".
CVT fluid inspection. Refer to TM-304, "
Inspection".
Line pressure test. Refer to TM-308, "
Inspection and Judgment".
SAT631IB
SAT632I
SEF234G

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NISSAN TEANA 2008 Service Manual DIAGNOSIS AND REPAIR WORK FLOW
TM-177
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Stall test. Refer to TM-306, "Inspection and Judgment".
>> GO TO 3.
3.CHECK DTC
1. Check DTC.

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NISSAN TEANA 2008 Service Manual TM-178
< BASIC INSPECTION >[CVT: RE0F10A]
DIAGNOSIS AND REPAIR WORK FLOW
DIAGNOSTIC WORK SHEET
Symptomso Vehicle does not move. (o Any positiono Particular position)
o No shift
o Lock-up malfunction
o

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NISSAN TEANA 2008 Service Manual INSPECTION AND ADJUSTMENT
TM-179
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INSPECTION AND ADJUSTMENT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
ADDITIONAL SERVICE WHEN REP

INSPECTION AND ADJUSTMENT
TM-179
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INSPECTION AND ADJUSTMENT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Service After Replac-
ing TCM and Transaxle Assembly
INFOID:0000000003806346
SERVICE AFTER REPLACING TCM AND TRANSAXLE ASSEMBLY
Perform the applicable service according to the following sheet when replacing TCM or transaxle assembly.
CAUTION:
Never start the engine until the service is completed.
“TCM-POWER SUPPLY [P1701]” may be indicated soon after replacing TCM or transaxle assembly
(after erasing the memory at the pattern B). Restart the self-diagnosis after erasing the self-diagnosis
result. Check that no error is detected.
NOTE:
Old unit means that the unit has been already used for another vehicle.
PATTERN A
1. Shift the selector lever to “P” position after replacing TCM. Turn the ignition switch ON.
2. Check that the shift position indicator in the combination meter turns ON (It indicates approximately 1 or 2
seconds after turning the ignition switch ON.)
Check the following items if the shift position indicator does not turn ON. Repair or replace the shift posi-
tion indicator if necessary.
- The harness between TCM and ROM ASSY in the transaxle assembly is open or shorted.
- Cable disconnected, loosen, or bent from the connector housing.
PATTERN B
1. Turn the ignition switch ON after replacing each part.
2. Start engine.
CAUTION:
Never start driving.
3. Select “Data Monitor” mode for “TRANSMISSION”.
4. Warm up the transaxle assembly until “ATFTEMP COUNT” indicates 47 [approximately 20°C (68°F)] or
more. Turn the ignition switch OFF.
5. Turn the ignition switch ON.
CAUTION:
Never start engine.
6. Select “Self Diagnostic Results” mode for “TRANSMISSION”.
7. Shift the selector lever to “R” position.
8. Depress slightly the accelerator pedal (Pedal angle: 2/8) while depressing the brake pedal.
9. Perform “Erase”.
10. Shift the selector lever to “R” position after replacing TCM. Turn the ignition switch OFF.
11. Wait approximately 10 seconds after turning the ignition switch OFF.
12. Turn the ignition switch ON while shifting the selector lever to “R” position.
CAUTION:
Never start engine.
13. Select “Special Function” mode for “TRANSMISSION”.
14. Check that the value on “CALIBRATION DATA” is the same as the data after erasing “Calibration Data”.
TCM CVT assembly Service pattern
Replace the new unit. Do not replace the unit. “PATTERN A”
Do not replace the unit. Replace either an old unit or new unit.
“PATTERN B”
Replace the old unit.Do not replace the unit.
Replace either an old unit or new unit.
Replace the new unit. Replace either an old unit or new unit. “PATTERN C”

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NISSAN TEANA 2008 Service Manual TM-180
< BASIC INSPECTION >[CVT: RE0F10A]
INSPECTION AND ADJUSTMENT
Restart the procedure from step 3 if the values are not the same.
15. Shift the selector lever to “P” position.
16. Check that

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NISSAN TEANA 2008 Service Manual CVT SYSTEM
TM-181
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FUNCTION DIAGNOSIS
CVT SYSTEM
System DiagramINFOID:0000000003806347
JPDIA0743GB

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NISSAN TEANA 2008 Service Manual TM-182
< FUNCTION DIAGNOSIS >[CVT: RE0F10A]
CVT SYSTEM
Component Parts Location
INFOID:0000000003806348
*: Control valve assembly is included in CVT assembly.
NOTE:
The following components are includ

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NISSAN TEANA 2008 Service Manual MECHANICAL SYSTEM
TM-183
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MECHANICAL SYSTEM
Cross-Sectional ViewINFOID:0000000003806349
1. Converter housing 2. Driven sprocket 3. C

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