sensor INFINITI FX35 2008 Service Manual

TROUBLE DIAGNOSIS FOR SYMPTOMSAT-197
< SERVICE INFORMATION >
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Check the manual mode switch. Refer to AT-155.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace damaged parts.
5.CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT-215, "
Control Valve with TCM and A/T Fluid Temperature Sensor 2".
2. Check A/T fluid condition. Refer to AT-49, "
Inspections Before
Trouble Diagnosis".
OK or NG
OK >> GO TO 6.
NG >> GO TO 9.
6.DETECT MALFUNCTIONING ITEM
Check the malfunction items. If any items are dam aged, repair or replace damaged parts. Refer to AT-59,
"Symptom Chart" (Symptom No.47).
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.
7.CHECK SYMPTOM
Check again. Refer to AT-53, "
Road Test".
OK or NG
OK >> INSPECTION END
NG >> GO TO 8.
8.CHECK TCM
1. Check TCM input/output signals. Refer to AT-83, "
TCM Input/Output Signal Reference Value".
2. If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness
connector.
OK or NG
OK >> INSPECTION END
NG >> Repair or replace damaged parts.
9.DETECT MALFUNCTIONING ITEM
Check the malfunction items. If any items are dam aged, repair or replace damaged parts. Refer to AT-59,
"Symptom Chart" (Symptom No.47).
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.
A/T Does Not Shift: 4th Gear → 3rd GearINFOID:0000000001327379
SYMPTOM:
When shifted from M4 to M3 position in manual mode, does not downshift from 4th to 3rd gear.
DIAGNOSTIC PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULTS
With CONSULT-III
 Perform self-diagnosis.
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AT-198
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS FOR SYMPTOMS
Without CONSULT-III
 Perform self-diagnosis. Refer to AT-91, "
Diagnosis Procedure without CONSULT-III".
Is any malfunction detected by self-diagnostic results?
YES >> Check the malfunctioning system. Refer to AT-84, "CONSULT-III Function (TRANSMISSION)",
AT-91, "
Diagnosis Procedure without CONSULT-III".
NO >> GO TO 2.
2.CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 11 , "
Checking A/T Fluid".
OK or NG
OK >> GO TO 3.
NG >> Refill ATF.
3.CHECK A/T POSITION
Check the A/T position. Refer to AT-207, "
Checking of A/T Position".
OK or NG
OK >> GO TO 4.
NG >> Adjust A/T position. Refer to AT-207, "
Adjustment of A/T
Position".
4.CHECK MANUAL MODE SWITCH
Check the manual mode switch. Refer to AT-155
.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace damaged parts.
5.CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT-215, "
Control Valve with TCM and A/T Fluid Temperature Sensor 2".
2. Check A/T fluid condition. Refer to AT-49, "
Inspections Before
Trouble Diagnosis".
OK or NG
OK >> GO TO 6.
NG >> GO TO 9.
6.DETECT MALFUNCTIONING ITEM
Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to AT-59,
"Symptom Chart" (Symptom No.48).
OK or NG
OK >> GO TO 7.
SAT638A
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AT-200
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS FOR SYMPTOMS
Check the A/T position. Refer to AT-207, "Checking of A/T Position".
OK or NG
OK >> GO TO 4.
NG >> Adjust A/T position. Refer to AT-207, "
Adjustment of A/T
Position".
4.CHECK MANUAL MODE SWITCH
Check the manual mode switch. Refer to AT-155
.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace damaged parts.
5.CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT-215, "
Control Valve with TCM and A/T Fluid Temperature Sensor 2".
2. Check A/T fluid condition. Refer to AT-49, "
Inspections Before
Trouble Diagnosis".
OK or NG
OK >> GO TO 6.
NG >> GO TO 9.
6.DETECT MALFUNCTIONING ITEM
Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to AT-59,
"Symptom Chart" (Symptom No.49).
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.
7.CHECK SYMPTOM
Check again. Refer to AT-53, "
Road Test".
OK or NG
OK >> INSPECTION END
NG >> GO TO 8.
8.CHECK TCM
1. Check TCM input/output signals. Refer to AT-83, "
TCM Input/Output Signal Reference Value".
2. If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness
connector.
OK or NG
OK >> INSPECTION END
NG >> Repair or replace damaged parts.
9.DETECT MALFUNCTIONING ITEM
Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to AT-59,
"Symptom Chart" (Symptom No.49).
OK or NG
OK >> GO TO 7.
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TROUBLE DIAGNOSIS FOR SYMPTOMSAT-201
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NG >> Repair or replace damaged parts.
A/T Does Not Shift: 2nd Gear → 1st GearINFOID:0000000001327381
SYMPTOM:
When shifted from M2 to M1 position in manual mode, does not downshift from 2nd to 1st gear.
DIAGNOSTIC PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULTS
With CONSULT-III
 Perform self-diagnosis.
Without CONSULT-III
 Perform self-diagnosis. Refer to AT-91, "
Diagnosis Procedure without CONSULT-III".
Is any malfunction detected by self-diagnostic results?
YES >> Check the malfuncti oning system. Refer to AT-84, "CONSULT-III Function (TRANSMISSION)",
AT-91, "
Diagnosis Procedure without CONSULT-III".
NO >> GO TO 2.
2.CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 11 , "
Checking A/T Fluid".
OK or NG
OK >> GO TO 3.
NG >> Refill ATF.
3.CHECK A/T POSITION
Check the A/T position. Refer to AT-207, "
Checking of A/T Position".
OK or NG
OK >> GO TO 4.
NG >> Adjust A/T position. Refer to AT-207, "
Adjustment of A/T
Position".
4.CHECK MANUAL MODE SWITCH
Check the manual mode switch. Refer to AT-155
.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace damaged parts.
5.CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT-215, "
Control Valve with TCM and A/T Fluid Temperature Sensor 2".
SAT638A
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TROUBLE DIAGNOSIS FOR SYMPTOMSAT-203
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2.CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 11 , "
Checking A/T Fluid".
OK or NG
OK >> GO TO 3.
NG >> Refill ATF.
3.CHECK A/T POSITION
Check the A/T position. Refer to AT-207, "
Checking of A/T Position".
OK or NG
OK >> GO TO 4.
NG >> Adjust A/T position. Refer to AT-207, "
Adjustment of A/T
Position".
4.CHECK MANUAL MODE SWITCH
Check the manual mode switch. Refer to AT-155
.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace damaged parts.
5.CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT-215, "
Control Valve with TCM and A/T Fluid Temperature Sensor 2".
2. Check A/T fluid condition. Refer to AT-49, "
Inspections Before
Trouble Diagnosis".
OK or NG
OK >> GO TO 6.
NG >> GO TO 9.
6.DETECT MALFUNCTIONING ITEM
Check the malfunction items. If any items are dam aged, repair or replace damaged parts. Refer to AT-59,
"Symptom Chart" (Symptom No.58).
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.
7.CHECK SYMPTOM
Check again. Refer to AT-53, "
Road Test".
OK or NG
OK >> INSPECTION END
SAT638A
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ON-VEHICLE SERVICEAT-215
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ON-VEHICLE SERVICE
Control Valve with TCM and A/T Fluid Temperature Sensor 2INFOID:0000000001327393
COMPONENTS
CONTROL VALVE WITH TCM ASSEMB LY REMOVAL AND INSTALLATION
Removal
1. Disconnect the battery cable from the negative terminal.
2. Drain ATF through drain plug.
3. Remove front cross bar. Refer to FSU-6, "
Removal and Installation".
4. Disconnect heated oxygen sensor 2 harness connector.
5. Disconnect A/T assembly harness connector.
1. A/T 2. Snap ring 3. Sub-harness
4. Control valve with TCM 5. Bracket 6. A/T fluid temperature sensor 2
7. Oil pan gasket 8. Clip 9. Bracket (VK45DE)
10. Bracket (VK45DE) 11. Oil pan mounting bolt 12. Oil pan
13. Magnet 14. Drain plug 15. Drain plug gasket
16. Terminal cord assembly 17. O-ring
Refer to GI section to make sure icons (symbol marks) in the figure. Refer to GI-8, "
Component".
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ON-VEHICLE SERVICEAT-217
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11. Disconnect A/T fluid temperature sensor 2 connector (1). CAUTION:
Be careful not to damage connector.
12. Straighten terminal clips ( ) to free terminal cord assembly and A/T fluid temperature sensor 2 harness.
13. Disconnect revolution sensor connector. CAUTION:
Be careful not to damage connector.
14. Straighten terminal clip to free revolution sensor harness.
15. Remove bolts A, B and C from control valve with TCM.  : Vehicle front
16. Remove control valve with TCM from transmission case. CAUTION:
When removing, be careful with the manual valve notch and
manual plate height. Remove it vertically.
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Bolt symbol Length mm (in) Number of bolts
A 42 (1.65) 5
B 55 (2.17) 6
C 40 (1.57) 1
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AT-218
< SERVICE INFORMATION >
ON-VEHICLE SERVICE
17. Remove A/T fluid temperature sensor 2 with bracket from con-trol valve with TCM.
18. Remove bracket from A/T fluid temperature sensor 2.
19. Remove O-ring from A/T assembly harness connector.
20. Disconnect TCM connectors. CAUTION:
Be careful not to damage connectors.
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AT-220
< SERVICE INFORMATION >
ON-VEHICLE SERVICE
3. Connect TCM connectors.
4. Install O-ring in A/T assembly harness connector.CAUTION:
 Do not reuse O-ring.
 Apply ATF to O-ring.
5. Install A/T fluid temperature sensor 2 to bracket.
6. Install A/T fluid temperature sensor 2 (with bracket) in control valve with TCM, and then tighten A/T fluid temperature sensor 2
mounting bolt to the specified torque. Refer to "COMPO-
NENTS".
CAUTION:
Adjust bolt hole of bracket to bolt hole of control valve with
TCM.
7. Install control valve with TCM in transmission case. CAUTION:
 Make sure that turbine revolu tion sensor securely installs
turbine revolution sensor hole.
 Hang down revolution senso r harness toward outside so
as not to disturb installation of control valve with TCM.
 Adjust A/T assembly harness co nnector of control valve
with TCM to terminal hole of transmission case.
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ON-VEHICLE SERVICEAT-221
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 Assemble it so that manual valve cutout is engaged with manual plate projection.
8. Install bolts A, B and C in control valve with TCM.  : Vehicle front
9. Tighten bolt 1, 2 and 3 temporarily to prevent dislocation. After that tighten them in order (1 → 2 → 3), and then tighten other
bolts to the specified torque. Refer to "COMPONENTS".
 : Vehicle front
10. Connect A/T fluid temperature sensor 2 connector (1).
11. Securely fasten terminal cord assembly and A/T fluid tempera- ture sensor 2 harness with terminal clips ( ).
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Bolt symbol Length mm (in) Number of bolts
A 42 (1.65) 5
B 55 (2.17) 6
C 40 (1.57) 1
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