2009 INFINITI QX56 oil level

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Page 3815 of 4171

INFINITI QX56 2009 Factory Service Manual
SYSTEM SYMPTOMTM-167
< SYMPTOM DIAGNOSIS >
CEF
G H
I
J
K L
M A
B
TM
N
O P39
Slips/Will
Not En-
gage While accelerating in
3rd, engine races or
slippage occurs.
ON vehicle
1. Fluid level and state

Page 3816 of 4171

INFINITI QX56 2009 Factory Service Manual
TM-168
< SYMPTOM DIAGNOSIS >
SYSTEM SYMPTOM
41Slips/Will
Not En-
gage While accelerating in
5th, engine races or
slippage occurs.
ON vehicle
1. Fluid level and state
TM-179
2. Line pressure testT

Page 3817 of 4171

INFINITI QX56 2009 Factory Service Manual
SYSTEM SYMPTOMTM-169
< SYMPTOM DIAGNOSIS >
CEF
G H
I
J
K L
M A
B
TM
N
O P
44
Slips/Will
Not En-
gage Vehicle cannot run in
all positions.
ON vehicle1. Fluid level and state
TM-179
2. Line pressure

Page 3818 of 4171

INFINITI QX56 2009 Factory Service Manual
TM-170
< SYMPTOM DIAGNOSIS >
SYSTEM SYMPTOM
48Others Shift point is low in “D”
position.
ON vehicle1. Output speed sensor and vehicle speed signal
TM-49
,
TM-74
2. Accelerator pedal position se

Page 3820 of 4171

INFINITI QX56 2009 Factory Service Manual
TM-172
< SYMPTOM DIAGNOSIS >
SYSTEM SYMPTOM
56Others Maximum speed low.
ON vehicle
1. Fluid level and state
TM-179
2. Line pressure testTM-188
3. Accelerator pedal position sensor TM-70
4. CAN commun

Page 3824 of 4171

INFINITI QX56 2009 Factory Service Manual
TM-176
< PRECAUTION >
PRECAUTIONS
All parts should be carefully cleaned with a general purpose, non-flammable solvent before inspection orreassembly.
Gaskets, seals and O-rings should be replaced

TM-176
< PRECAUTION >
PRECAUTIONS
All parts should be carefully cleaned with a general purpose, non-flammable solvent before inspection orreassembly.
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 s lide 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.
Clean or replace ATF cooler if excessive foreign material is found in oil pan or clogging strainer. Refer to TM-
183, "A/T Fluid Cooler Cleaning".
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 con- verter and ATF cooling system.
Always follow the procedures under “Changing A/T Fluid” in the AT section when changing A/T fluid. Refer to
TM-181, "Changing the A/T Fluid (ATF)"
.
Service Notice or PrecautionINFOID:0000000003772016
ATF COOLER SERVICE
If A/T fluid contains fictional material (clutches, bands, etc.), or if an A/T is repaired, overhauled, or replaced,
inspect and clean the A/T fluid cooler mounted in the radiat or or replace the radiator. Flush cooler lines with
cleaning solvent and compressed air after repair. For A/T fluid cooler cleaning procedure, refer to TM-183,
"A/T Fluid Cooler Cleaning". For radiator replacement, refer to CO-15, "Removal and Installation".
CHECKING AND CHANGING A/T FLUID
Increase ATF oil temperature to 80 °C (176 °F) first, then check and adjust oil level at 65 °C (149 °F).
NOTE:
The A/T has both water cooling and air cooling systems . The air cooling system has a bypass valve. When
ATF oil temperature is at or below 50 °C (122 °F), it does not flow through the air cooled system. If A/T oil
level is adjusted without flow throughout the entir e system, the level will be 10mm lower than required.
Therefore, all piping should be filled with oil when adjusting level.
OBD-II SELF-DIAGNOSIS
A/T self-diagnosis is performed by the TCM in combination with the ECM. Refer to the table on TM-32,
"CONSULT-III Function (TRANSMISSION)" for the indicator used to display each self-diagnostic result.
The self-diagnostic results indicated by the MIL ar e automatically stored in both the ECM and TCM memo-
ries.
Always perform the procedure on TM-30, "OBD-II Diagnostic Trouble Code (DTC)"
to complete the
repair and avoid unnecessary blinking of the MIL.
For details of OBD-II, refer to TM-30
.
Certain systems and components, especially those related to OBD, may use the new style slide-
locking type harness connector. For descrip tion and how to disconnect, refer to PG-68
.
Revision: December 20092009 QX56

Page 3829 of 4171

INFINITI QX56 2009 Factory Service Manual
A/T FLUIDTM-181
< ON-VEHICLE MAINTENANCE >
CEF
G H
I
J
K L
M A
B
TM
N
O P
Changing the A/T Fluid (ATF)INFOID:0000000005892327
CAUTION:
If using the vehicle for towing, the A/T fl uid must be replaced

A/T FLUIDTM-181
< ON-VEHICLE MAINTENANCE >
CEF
G H
I
J
K L
M A
B
TM
N
O P
Changing the A/T Fluid (ATF)INFOID:0000000005892327
CAUTION:
If using the vehicle for towing, the A/T fl uid must be replaced as specified. Refer to MA-8, "Introduc-
tion of Periodic Maintenance".
1. Drive the vehicle to warm up the A/T fluid to approximately 80 ° C (176 ° F).
2. Stop the engine.
3. Remove the A/T fluid level gauge.
4. Drain the A/T fluid from the drai n plug hole, then install the drain
plug with a new gasket. Refill the transmission with new A/T
fluid. Always refill with the same volume as the drained A/T fluid.
Use the A/T fluid level gauge to check the A/T fluid level as
shown. Add A/T fluid as necessary.
To flush out the old A/T fluid from the transmission o il coolers, pour new A/T fluid into the A/T fluid charg-
ing pipe with the engine idling and at the same time drain the old A/T fluid from the auxiliary transmis-
sion oil cooler hose return line.
When the color of the A/T fluid coming out of the aux iliary transmission oil cooler hose return line is
about the same as the color of the new A/T fluid, flushing out the old A/T fluid is complete. The amount
of new A/T fluid used for flushing should be 30% to 50% increase of the specified capacity.
CAUTION:
If Genuine NISSAN Matic S ATF is not available, Genuine NISSAN Matic J ATF may also be used.
Using ATF fluid other than Genuine NISSAN Matic S ATF or Matic J ATF will cause deterioration
in driveability and A/T durability, and may damage the A/T, which is not covered by the warranty.
When filling the transmission with A/T fluid, do not spill the A/T fluid on any heat generating
parts such as the exhaust parts.
Do not reuse the drain plug gasket.
5. Install the A/T fluid level gauge and tighten t he A/T fluid level gauge bolt to specification.
6. Drive the vehicle to warm up the A/T fluid to approximately 80 ° C (176 ° F).
7. Check the fluid level and condition. If the A/T fluid is still dirty, repeat steps 2 through 6.
8. Install the A/T fluid level gauge in the A/T fluid charging pipe and install the A/T fluid level gauge bolt.
9. Tighten the A/T fluid level gauge bolt to specification. Drain plug : Refer to
TM-201, "Oil Pan"
.
LLIA0071E
A/T fluid grade and capacity : Refer to MA-12, "Fluids and Lubricants".
A/T fluid level
gauge bolt : Refer to
TM-214, "Removal and Installation (2WD)"
or TM-216, "Removal and
Installation (4WD)".
LLIA0071E
Revision: December 20092009 QX56

Page 3834 of 4171

INFINITI QX56 2009 Factory Service Manual
TM-186
< ON-VEHICLE MAINTENANCE >
STALL TEST
STALL TEST
Inspection and JudgmentINFOID:0000000003772024
A/T FLUID CHECK
Fluid Leakage and Fluid Level Check
Inspect for fluid leakage and check the f

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