2009 INFINITI QX56 transmission

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Page 2616 of 4171

INFINITI QX56 2009 Factory Service Manual LAN
TROUBLE DIAGNOSISLAN-47
< FUNCTION DIAGNOSIS > [CAN]
C
D
E
F
G H
I
J
K L
B A
O P
N
TROUBLE DIAGNOSIS
CAN Diagnostic Support MonitorINFOID:0000000003776455
Use “CAN DIAG SUPPORT MNTR” for detec

Page 2617 of 4171

INFINITI QX56 2009 Factory Service Manual LAN-48
< FUNCTION DIAGNOSIS >[CAN]
TROUBLE DIAGNOSIS
Driver Seat Control Unit
0: Error at present, 1 – 39: Error in the past (Number m
eans the number of times the ignition switch is turned OFF →O

Page 2618 of 4171

INFINITI QX56 2009 Factory Service Manual LAN
TROUBLE DIAGNOSISLAN-49
< FUNCTION DIAGNOSIS > [CAN]
C
D
E
F
G H
I
J
K L
B A
O P
N
NOTE:
Replace the unit when “NG” is indicated on the “INITIAL DIAG”.
A/C Auto Amp.
0: Error at present, 1

Page 2619 of 4171

INFINITI QX56 2009 Factory Service Manual LAN-50
< FUNCTION DIAGNOSIS >[CAN]
TROUBLE DIAGNOSIS
0: Error at present, 1 – 39: Error in the past (Number m
eans the number of times the ignition switch is turned OFF →ON)
*: 39 or higher number

LAN-50
< FUNCTION DIAGNOSIS >[CAN]
TROUBLE DIAGNOSIS
0: Error at present, 1 – 39: Error in the past (Number m
eans the number of times the ignition switch is turned OFF →ON)
*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.
Transfer Control Unit
0: Error at present, 1 – 39: Error in the past (Number m eans the number of times the ignition switch is turned OFF →ON)
*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.
ABS Actuator and Electric Unit (Control Unit)
CAUTION:ITEM
CAN DIAG SUP-
PORT MNTR Description Normal
Error
PRSNT PAST PRSNT PAST
M&A TRANSMIT DIAG Signal transmission status
OKOK
or
1 – 39
*UNKWN 0
ECM
Signal receiving status from the ECM
TCM Signal receiving status from the TCM
BCM/SEC Signal receiving status from the BCM
VDC/TCS/ABS Signal receiving stat
us from the ABS actua-
tor and electric unit (control unit)
IPDM E/R Signal receiving status from the IPDM E/R
DISPLAY Not used even though indicated
I-KEY Signal receiving status from the Intelligent
Key unit
OKOK
or
1 – 39
*UNKWN 0
EPS Not used even though indicated
AWD/4WD
e4WD
ICC Signal receiving status from the ICC unit OK OK
or
1 – 39
*UNKWN 0
LANE KEEP Not used even though indicated
TIRE-P
ITEM CAN DIAG SUP-
PORT MNTR Description Normal
Error
PRSNT PAST PRSNT PAST
4WD TRANSMIT DIAG Signal transmission status
OKOK
or
1 – 39
*UNKWN 0
ECM
Signal receiving status from the ECM
VDC/TCS/ABS Signal receiving stat
us from the ABS actua-
tor and electric unit (control unit)
TCM Signal receiving status from the TCM
STRG Signal receiving status from the steering an-
gle sensor
ITEMCAN DIAG SUP-
PORT MNTR DescriptionNormal Error
PRSNT
ABS INITIAL DIAG Status of CAN controller
OKNG
Caution
TRANSMIT DIAG Signal transmission status
UNKWN
ECM Signal receiving status from the ECM
TCM Signal receiving status from the TCM
METER/M&A Not used even though indicated
STRG Signal receiving status from the steering angle sensor
OK UNKWN
ICC Signal receiving status from the ICC unit
AWD/4WD Signal receiving status from the transfer control unit
Revision: December 20092009 QX56

Page 2620 of 4171

INFINITI QX56 2009 Factory Service Manual LAN
TROUBLE DIAGNOSISLAN-51
< FUNCTION DIAGNOSIS > [CAN]
C
D
E
F
G H
I
J
K L
B A
O P
N
Never replace the unit even when “NG” is indicated on the “INITIAL DIAG” at this stage. Fo
llow the troub

Page 2681 of 4171

INFINITI QX56 2009 Factory Service Manual MA-8
< ON-VEHICLE MAINTENANCE >
PERIODIC MAINTENANCE
PERIODIC MAINTENANCE
Introduction of Periodic MaintenanceINFOID:0000000003776980
Two different maintenance schedules are provided, and should be us

MA-8
< ON-VEHICLE MAINTENANCE >
PERIODIC MAINTENANCE
PERIODIC MAINTENANCE
Introduction of Periodic MaintenanceINFOID:0000000003776980
Two different maintenance schedules are provided, and should be used, depending upon the conditions in
which the vehicle is mainly operated. After 60,000 miles (96,000 km) or 48 months, continue the periodic
maintenance at the same mileage or ti me intervals, whichever comes first.
Maintenance for Off-road Driving (4WD only)INFOID:0000000003776981
After driving the vehicle off-road through sand, mud, or water; more frequent maintenance may be required for
the following items:
Brake pads and rotors
Brake lines and hoses
Rear final drive oil, transmission fluid, and transfer fluid
Steering linkage
Drive shafts
Engine air cleaner filter
In-cabin microfilters
Schedule 1INFOID:0000000003776982
EMISSION CONTROL SYSTEM MAINTENANCE
Abbreviations: R = Replace. I = Inspect. Correct or r eplace if necessary. [ ]: At the mileage intervals only
Schedule 1Follow Periodic Maintenance Schedule 1 if your driving habits frequently includes
one or more of the following driving conditions:
• Repeated short trips of less than 5 miles (8 km).
• Repeated short trips of less than 10 miles (16 km) with outside temperatures re-
maining below freezing.
• Operating in hot weather in stop-and-go “rush hour” traffic.
• Extensive idling and/or low speed driving for long distances, such as police, taxi
or door-to-door delivery use.
• Driving in dusty conditions.
• Driving on rough, muddy, or salt spread roads.
• Towing a trailer or using a car-top carrier. Emission Control Sys-
tem Maintenance
MA-8
Chassis and Body
Maintenance
MA-8
Schedule 2Follow Periodic Maintenance Schedule 2 if none of the driving conditions shown
in Schedule 1 apply to the driving habits.
Emission Control Sys-
tem MaintenanceMA-10Chassis and Body
Maintenance
MA-10
MAINTENANCE OPERATION
MAINTENANCE INTERVAL
Reference
Section -
Page or -
Content Title
Perform at number of miles, kilo-
meters or months, whichever
comes first. Miles x 1,000
(km x 1,000) Months 3.75
(6)3 7.50
(12) 6 11 . 2 5
(18) 9 15
(24) 12 18.75
(30)15 22.5
(36) 18 26.25
(42)21 30
(48) 24
Drive belts NOTE (1) MA-14
Air cleaner filterNOTE (2) [R]MA-17
EVAP vapor lines I*MA-20
Fuel lines I*MA-17
Fuel filter NOTE (3) —
Engine coolant NOTE (4) MA-14
Engine oilR R R R R R R R MA-18
Engine oil filterR R R R R R R R MA-18
Spark plugs (Iridium-tipped type)Replace every 105,000 miles (169,000 km).MA-19
Intake and exhaust valve clear-
ance*NOTE (5)
EM-18
Revision: December 20092009 QX56

Page 2682 of 4171

INFINITI QX56 2009 Factory Service Manual PERIODIC MAINTENANCEMA-9
< ON-VEHICLE MAINTENANCE >
C
DE
F
G H
I
J
K L
M B
MA
N
O A
(1) After 60,000 miles (96,000 km) or 48 months, inspect every 15,000 miles (24,000 km) or 12 months. Replace the dr

PERIODIC MAINTENANCEMA-9
< ON-VEHICLE MAINTENANCE >
C
DE
F
G H
I
J
K L
M B
MA
N
O A
(1) After 60,000 miles (96,000 km) or 48 months, inspect every 15,000 miles (24,000 km) or 12 months. Replace the drive belts i
f found
damaged or if the auto belt tensioner reading reaches the maximum limit.
(2) If operating mainly in dusty conditions, more frequent maintenance may be required.
(3) Maintenance-free item. For service procedures, go to the FL section.
(4) After 60,000 miles (96,000 km) or 48 months, replace every 30,000 miles (48,000 km) or 24 months.
(5) Periodic maintenance is not required. However, if valve noise increases, inspect valve clearance.
* Maintenance items and inte rvals with “*” are recommended by NISSAN for reliable vehicle operation. The owner need not perform
such maintenance in order to maintain the emission warranty or manufacturer recall liability. Other maintenance items and inter vals are
required.
CHASSIS AND BODY MAINTENANCE
Abbreviations: R = Replace. I = Inspect. Correct or replace if necessary.
MAINTENANCE OPERATION MAINTENANCE INTERVAL
Reference
Section -
Page or -
Content Title
Perform at number of miles, kilo-
meters or months, whichever
comes first. Miles x 1,000
(km x 1,000) Months 33.75
(54)27 37.5
(60) 30 41.25
(66)33 45
(72) 36 48.75
(78)39 52.5
(84) 42 56.25
(90)45 60
(96) 48
Drive belts NOTE (1) I*MA-14
Air cleaner filter NOTE (2) [R]MA-17
EVAP vapor lines I*MA-20
Fuel lines I*MA-17
Fuel filter NOTE (3) —
Engine coolant NOTE (4) R*MA-14
Engine oil R R R R R R R R MA-18
Engine oil filterR R R R R R R R MA-18
Spark plugs (Iridium-tipped type)Replace every 105,000 miles (169,000 km).MA-19
Intake and exhaust valve clear-
ance*NOTE (5)
EM-18
MAINTENANCE OPERATIONMAINTENANCE INTERVAL
Reference
Section
- Page or
- Content
Title
Perform at number of miles, kilometers or
months, whichever comes first. Miles x
1,000(km x
1,000)
Months 3.75
(6)
3 7.5
(12)
6 11 . 2 5
(18)
9 15
(24)
12 18.75
(30)
15 22.5
(36)
18 26.25
(42)
21 30
(48)
24
Brake lines and cables IIMA-30
Brake pads and rotors II I IMA-30
Automatic transmission fluid, transfer fluid and
differential gear oil NOTE (1)
IIMA-23
,
MA-25
,
MA-27
,
MA-26
Steering gear and linkage, axle and suspension
parts II I I
MA-31,
MA-32
Tire Rotation NOTE (2) MA-29
Drive shaft boots and propeller shaft (4WD)II I IMA-26
Exhaust system II I IMA-22
In-cabin microfilter RRMA-22
Revision: December 20092009 QX56

Page 2683 of 4171

INFINITI QX56 2009 Factory Service Manual MA-10
< ON-VEHICLE MAINTENANCE >
PERIODIC MAINTENANCE
(1) If towing a trailer, or using a car-top carrier, or driving on rough or muddy roads, change (not just inspect) oil at every 30,000 miles
(48,0

MA-10
< ON-VEHICLE MAINTENANCE >
PERIODIC MAINTENANCE
(1) If towing a trailer, or using a car-top carrier, or driving on rough or muddy roads, change (not just inspect) oil at every 30,000 miles
(48,000 km) or 24 months. Using automatic transmission fluid other than Genui ne NISSAN Matic S ATF or Matic J ATF will cause
deterioration in driveability and automatic transmission durability, and may damage the automatic transmission, which is not
covered by the INFINITI new vehicle limited warranty.
(2) Refer to “Tire rotation” unde r the “General maintenance” heading earlier in this section.
Schedule 2INFOID:0000000003776983
EMISSION CONTROL SYSTEM MAINTENANCE
Abbreviations: R = Replace. I = Inspect. Correct or r eplace if necessary. [ ]: At the mileage intervals only
(1) After 60,000 miles (96,000 km) or 48 months, inspect every 15,000 miles (24,000 km) or 12 months. Replace the drive belts if found
damaged or if the auto belt tensioner reading reaches the maximum limit.
(2) Maintenance-free item. For service procedures, go to FL section.
(3) After 60,000 miles (96,000 km) or 48 months, replace every 30,000 miles (48,000 km) or 24 months.
(4) Periodic maintenance is not required. However, if valve noise increases, inspect valve clearance.
* Maintenance items and intervals with “*” are recommended by NISSAN for reliable vehicle operation. The owner need not perform
such maintenance in order to maintain the emission warranty or manufacturer recall liability. Other maintenance items and inter vals are
required.
CHASSIS AND BODY MAINTENANCE
MAINTENANCE OPERATION MAINTENANCE INTERVAL
Reference
Section
- Page or
- Content
Title
Perform at number of miles, kilometers or
months, whichever comes first. Miles x
1,000(km x
1,000)
Months 33.75
(54)
27 37.5
(60)
30 41.25
(66)
33 45
(72)
36 48.75
(78)
39 52.5
(84)
42 56.25
(90)
45 60
(96)
48
Brake lines and cables IIMA-30
Brake pads and rotors IIIIMA-30
Automatic transmission fluid, transfer fluid and
differential gear oil NOTE (1)
IIMA-23
,
MA-25
,
MA-27
,
MA-26
Steering gear and linkage, axle and suspen-
sion parts IIIIMA-31,
MA-32
Tire Rotation NOTE (2) MA-29
Drive shaft boots and propeller shaft (4WD)IIIIMA-26
Exhaust system IIIIMA-22
In-cabin microfilter RRMA-22
MAINTENANCE OPERATION MAINTENANCE INTERVAL
Reference
Section - Page
or - Content Ti- tle
Perform at number of miles, kilometers
or months, whichever comes first. Miles x 1,000
(km x 1,000)
Months 7.5
(12)
6 15
(24)
12 22.5
(36)
18 30
(48)
24 37.5
(60)
30 45
(72)
36 52.5
(84)
42 60
(96)
48
Drive belts NOTE (1) I*MA-14
Air cleaner filter [R][R]MA-17
EVAP vapor lines I*I*MA-20
Fuel lines I*I*MA-17
Fuel filter NOTE (2) —
Engine coolant NOTE (3) R*MA-14
Engine oil R R R R R R R R MA-18
Engine oil filterR R R R R R R R MA-18
Spark plug (Iridium - tipped type) Replace every 105,000 miles (169,000 km).MA-19
Intake and exhaust valve clearance* NOTE (4) EM-18
Revision: December 20092009 QX56

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