2004 INFINITI FX35 checking oil

AT-4Revision: 2004 November 2004 FX35/FX45CONSULT-II Reference Value ..............................187
Diagnostic Procedure ...........................................187
TROUBLE DIAGNOSIS FOR SYMPTOMS ............188
Wiring Diagram — AT — NONDTC ......................188
A/T CHECK Indicator Lamp Does Not Come On . 191
Engine Cannot Be Started In “P” or “N” Position ..193
In “P” Position, Vehicle Moves When Pushed ......193
In “N” Position, Vehicle Moves ..............................194
Large Shock (“N” to “D” Position) .........................195
Vehicle Does Not Creep Backward In “R” Position .198
Vehicle Does Not Creep Forward In “D” Position . 201
Vehicle Cannot Be Started From D
1 .....................203
A/T Does Not Shift: D
1 → D2 ................................206
A/T Does Not Shift: D
2 → D3 ................................208
A/T Does Not Shift: D
3 → D4 ................................211
A/T Does Not Shift: D
4 → D5 ................................213
A/T Does Not Perform Lock-up ............................216
A/T Does Not Hold Lock-up Condition ..................218
Lock-up Is Not Released ......................................220
Engine Speed Does Not Return To Idle ................221
Cannot Be Changed to Manual Mode ..................222
A/T Does Not Shift: 5th gear → 4th gear ..............223
A/T Does Not Shift: 4th gear → 3rd gear ..............225
A/T Does Not Shift: 3rd gear → 2nd gear .............227
A/T Does Not Shift: 2nd gear → 1st gear .............229
Vehicle Does Not Decelerate By Engine Brake ....231
SHIFT CONTROL SYSTEM ....................................233
Control Device Removal and Installation ..............233
Adjustment of A/T Position ...................................234
Checking of A/T Position ......................................234
A/T SHIFT LOCK SYSTEM .....................................235
Description ............................................................235
Shift Lock System Electrical Parts Location .........235
Wiring Diagram — AT — SHIFT ...........................236
Diagnostic Procedure ...........................................237
KEY INTERLOCK CABLE ......................................239
Components .........................................................239
Removal and Installation ......................................240
ON-VEHICLE SERVICE ..........................................242
Control Valve with TCM and A/T Fluid Temperature
Sensor 2 ...............................................................242
Parking Components (2WD Models Only) ............253Rear Oil Seal .........................................................259
Revolution Sensor Components (2WD Models
Only) .....................................................................260
AIR BREATHER HOSE ...........................................264
Removal and Installation .......................................264
TRANSMISSION ASSEMBLY .................................266
Removal and Installation (2WD Models) ...............266
Removal and Installation (AWD models) ..............269
OVERHAUL .............................................................274
Components ..........................................................274
Oil Channel ...........................................................282
Locations of Adjusting Shims, Needle Bearings,
Thrust Washers and Snap Rings ..........................284
DISASSEMBLY .......................................................286
Disassembly ..........................................................286
REPAIR FOR COMPONENT PARTS ......................303
Oil Pump ...............................................................303
Front Sun Gear, 3rd One-Way Clutch ...................306
Front Carrier, Input Clutch, Rear Internal Gear .....308
Mid Sun Gear, Rear Sun Gear, High and Low
Reverse Clutch Hub ..............................................314
High and Low Reverse Clutch ..............................320
Direct Clutch .........................................................323
ASSEMBLY .............................................................325
Assembly (1) .........................................................325
Adjustment ............................................................338
Assembly (2) .........................................................341
SERVICE DATA AND SPECIFICATIONS (SDS) ....348
General Specifications ..........................................348
Vehicle Speed When Shifting Gears .....................348
Vehicle Speed When Performing and Releasing
Complete Lock-up .................................................349
Vehicle Speed When Performing and Releasing
Slip Lock-up ..........................................................349
Stall Speed ............................................................350
Line Pressure ........................................................350
A/T Fluid Temperature Sensor ..............................350
Turbine Revolution Sensor ....................................350
Vehicle Speed Sensor A/T (Revolution Sensor) ...350
Reverse Brake ......................................................350
Total End Play .......................................................351

AT-8
PRECAUTIONS
Revision: 2004 November 2004 FX35/FX45
Precautions ACS002L6

Before connecting or disconnecting the A/T assembly har-
ness connector, turn ignition switch “OFF” and disconnect
the battery cable from the negative terminal. Because bat-
tery voltage is applied to TCM even if ignition switch is
turned “OFF”.

After performing each TROUBLE DIAGNOSIS, perform
“DTC (Diagnostic Trouble Code) Confirmation Procedure”.
If the repair is completed the DTC should not be displayed
in the “DTC Confirmation Procedure”.

Always use the specified brand of ATF. Refer to MA-12, "Fluids and Lubricants" .

Use paper rags not cloth rags during work.

After replacing the ATF, dispose of the waste oil using the methods prescribed by law, ordinance, etc.

Before proceeding with disassembly, thoroughly clean the outside of the transmission. It is important to
prevent the internal parts from becoming contaminated by dirt or other foreign matter.

Disassembly should be done in a clean work area.

Use lint-free cloth or towels for wiping parts clean. Common shop rags can leave fibers that could interfere
with the operation of the transmission.

Place disassembled parts in order for easier and proper assembly.

All parts should be carefully cleaned with a general purpose, non-flammable solvent before inspection or
reassembly.

Gaskets, seals and O-rings should be replaced any time the transmission is disassembled.

It is very important to perform functional tests whenever they are indicated.

The valve body contains precision parts and requires extreme care when parts are removed and serviced.
Place disassembled valve body parts in order for easier and proper assembly. Care will also prevent
springs and small parts from becoming scattered or lost.

Properly installed valves, sleeves, plugs, etc. will slide along bores in valve body under their own weight.

Before assembly, apply a coat of recommended ATF to all parts. Apply petroleum jelly to protect O-rings
and seals, or hold bearings and washers in place during assembly. Do not use grease.

Extreme care should be taken to avoid damage to O-rings, seals and gaskets when assembling.

After overhaul, refill the transmission with new ATF.

When the A/T drain plug is removed, only some of the fluid is drained. Old A/T fluid will remain in torque
converter and ATF cooling system.
Always follow the procedures under “Changing A/T Fluid” in the AT section when changing A/T fluid. Refer
to AT- 1 2 , "
Changing A/T Fluid" , AT- 1 2 , "Checking A/T Fluid" .
SEF289H
SEF217U

TROUBLE DIAGNOSIS
AT-51
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AT
Revision: 2004 November 2004 FX35/FX45
Inspections Before Trouble DiagnosisACS007A7
A/T FLUID CHECK
Fluid Leakage and Fluid Level Check

Inspect for fluid leakage and check the fluid level. Refer to AT- 1 2 , "Checking A/T Fluid" .
Fluid Condition Check
Inspect the fluid condition.
STALL TEST
Stall Test Procedure
1. Inspect the amount of engine oil. Replenish the engine oil if necessary.
2. Drive for about 10 minutes to warm up the vehicle so that the A/
T fluid temperature is 50 to 80°C (122 to 176°F). Inspect the
amount of A/T fluid. Replenish if necessary.
3. Securely engage the parking brake so that the tires do not turn.
4. Start engine, apply foot brake, and place selector lever in “D”
position.
5. While holding down the foot brake, gradually press down the
accelerator pedal.
6. Quickly read off the stall speed, then quickly remove your foot
from the accelerator pedal.
CAUTION:
Do not hold down the accelerator pedal for more than 5 sec-
onds during this test.
7. Move the selector lever to “N” position.
8. Cool down the A/T fluid.
Fluid condition Conceivable Cause Required Operation
Varnished (viscous
varnish state)Clutch, brake
scorchedReplace the A/T fluid and check the
A/T main unit and the vehicle for
malfunctions (wire harnesses,
cooler pipes, etc.)
Milky white or
cloudyWater in the fluidReplace the A/T fluid and check for
places where water is getting in.
Large amount of
metal powder mixed
inUnusual wear of
sliding parts within
A/TReplace the A/T fluid and check for
improper operation of the A/T.
SAT638A
SAT647B
SCIA1224E
SAT514G

AT-194
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: 2004 November 2004 FX35/FX45
3. CHECK PARKING COMPONENTS
Check parking components. Refer to AT- 2 5 3 , "
Parking Components (2WD Models Only)" (2WD models) or
AT- 2 8 6 , "
Disassembly" (AWD models).
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts.
4. CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT- 2 4 2 , "
Control Valve with TCM and A/T Fluid Temperature Sensor 2" .
2. Check A/T fluid condition. Refer to AT- 5 1 , "
Fluid Condition
Check" .
OK or NG
OK >> INSPECTION END
NG >> Check the malfunction items. If any items are damaged,
repair or replace damaged parts. Refer to AT- 6 5 , "
Symp-
tom Chart" (Symptom No.65).
In “N” Position, Vehicle MovesACS007GG
SYMPTOM:
Vehicle moves forward or backward when selecting “N” position.
DIAGNOSTIC PROCEDURE
1. CHECK PNP SWITCH CIRCUIT
Perform self-diagnosis. Refer to AT- 9 4 , "
SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 3 , "TCM SELF-DIAG-
NOSTIC PROCEDURE (NO TOOLS)" .
Do the self-diagnostic results indicate PNP switch?
YES >> Check the malfunctioning system. Refer to AT- 11 2 , "DTC P0705 PARK/NEUTRAL POSITION
SWITCH" .
NO >> GO TO 2.
2. CHECK CONTROL LINKAGE
Check the control linkage.

Refer to AT- 2 3 4 , "Checking of A/T Position" .
OK or NG
OK >> GO TO 3.
NG >> Adjust control linkage. Refer to AT- 2 3 4 , "
Adjustment of A/T Position" .
3. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 1 2 , "
Checking A/T Fluid" .
OK or NG
OK >> GO TO 4.
NG >> Refill ATF.
SCIA5199E
SAT638A

AT-196
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: 2004 November 2004 FX35/FX45
3. CHECK CONTROL LINKAGE
Check the control linkage.

Refer to AT- 2 3 4 , "Checking of A/T Position" .
OK or NG
OK >> GO TO 4.
NG >> Adjust control linkage. Refer to AT- 2 3 4 , "
Adjustment of A/T Position" .
4. CHECK A/T FLUID LEVEL
Check the A/T fluid level. Refer to AT- 1 2 , "
Checking A/T Fluid" .
OK or NG
OK >> GO TO 5.
NG >> Refill ATF.
5. CHECK LINE PRESSURE
Check line pressure at idle with selector lever in “D” position. Refer
to AT- 5 2 , "
LINE PRESSURE TEST" .
OK or NG
OK >> GO TO 8.
NG - 1 >> Line pressure high: GO TO 6.
NG - 2 >> Line pressure low: GO TO 7.
6. DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer to AT- 2 4 2 , "
Control Valve with TCM and A/T Fluid Temperature Sen-
sor 2" .
2. Disassemble A/T. Refer to AT- 2 8 6 , "
DISASSEMBLY" .
3. Check the following items:
–Oil pump assembly. Refer to AT- 3 0 3 , "Oil Pump" .
OK or NG
OK >> GO TO 8.
NG >> Repair or replace damaged parts.
SAT638A
SAT494G

AT-204
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: 2004 November 2004 FX35/FX45
3. CHECK ACCELERATOR POSITION (APP) SENSOR
Check accelerator pedal position (APP) sensor. Refer to AT- 1 3 6 , "
DTC P1705 THROTTLE POSITION SEN-
SOR"
OK or NG
OK >> GO TO 4.
NG >> Repair or replace accelerator pedal position (APP) sensor.
4. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 1 2 , "
Checking A/T Fluid" .
OK or NG
OK >> GO TO 5.
NG >> Refill ATF.
5. CHECK LINE PRESSURE
Check line pressure at the engine stall point. Refer to AT- 5 2 , "
LINE
PRESSURE TEST" .
OK or NG
OK >> GO TO 8.
NG - 1 >> Line pressure high. GO TO 6.
NG - 2 >> Line pressure low. GO TO 7.
6. DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer to AT- 2 4 2 , "
Control Valve with TCM and A/T Fluid Temperature Sen-
sor 2" .
2. Disassemble A/T. Refer to AT- 2 8 6 , "
DISASSEMBLY" .
3. Check the following items:
–Oil pump assembly. Refer to AT- 3 0 3 , "Oil Pump" .
OK or NG
OK >> GO TO 8.
NG >> Repair or replace damaged parts.
SAT638A
SAT494G

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-209
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AT
Revision: 2004 November 2004 FX35/FX45
THROTTLE POSITION SENSOR" , AT- 11 6 , "DTC P0720 VEHICLE SPEED SENSOR A/T (REV-
OLUTION SENSOR)" , AT- 1 4 5 , "DTC P1721 VEHICLE SPEED SENSOR MTR" .
NO >> GO TO 3.
3. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 1 2 , "
Checking A/T Fluid" .
OK or NG
OK >> GO TO 4.
NG >> Refill ATF.
4. CHECK LINE PRESSURE
Check line pressure at the engine stall point. Refer to AT- 5 2 , "
LINE
PRESSURE TEST" .
OK or NG
OK >> GO TO 7.
NG - 1 >> Line pressure high. GO TO 5.
NG - 2 >> Line pressure low. GO TO 6.
5. DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer to AT- 2 4 2 , "
Control Valve with TCM and A/T Fluid Temperature Sen-
sor 2" .
2. Disassemble A/T. Refer to AT- 2 8 6 , "
DISASSEMBLY" .
3. Check the following items:
–Oil pump assembly. Refer to AT- 3 0 3 , "Oil Pump" .
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.
6. DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer to AT- 2 4 2 , "
Control Valve with TCM and A/T Fluid Temperature Sen-
sor 2" .
2. Disassemble A/T. Refer to AT- 2 8 6 , "
DISASSEMBLY" .
3. Check the following items:
–Oil pump assembly. Refer to AT- 3 0 3 , "Oil Pump" .
–Power train system. Refer to AT- 2 8 6 , "DISASSEMBLY" .
–Transmission case. Refer to AT- 2 8 6 , "DISASSEMBLY" .
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.
SAT638A
SAT494G

AT-214
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: 2004 November 2004 FX35/FX45
3. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 1 2 , "
Checking A/T Fluid" .
OK or NG
OK >> GO TO 4.
NG >> Refill ATF.
4. CHECK LINE PRESSURE
Check line pressure at the engine stall point. Refer to AT- 5 2 , "
LINE
PRESSURE TEST" .
OK or NG
OK >> GO TO 7.
NG - 1 >> Line pressure high. GO TO 5.
NG - 2 >> Line pressure low. GO TO 6.
5. DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer to AT- 2 4 2 , "
Control Valve with TCM and A/T Fluid Temperature Sen-
sor 2" .
2. Disassemble A/T. Refer to AT- 2 8 6 , "
DISASSEMBLY" .
3. Check the following items:
–Oil pump assembly. Refer to AT- 3 0 3 , "Oil Pump" .
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.
6. DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer to AT- 2 4 2 , "
Control Valve with TCM and A/T Fluid Temperature Sen-
sor 2" .
2. Disassemble A/T. Refer to AT- 2 8 6 , "
DISASSEMBLY" .
3. Check the following items:
–Oil pump assembly. Refer to AT- 3 0 3 , "Oil Pump" .
–Power train system. Refer to AT- 2 8 6 , "DISASSEMBLY" .
–Transmission case. Refer to AT- 2 8 6 , "DISASSEMBLY" .
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.
SAT638A
SAT494G