2011 INFINITI QX56 clutch

MID SUN GEAR, REAR SUN GEAR, HIGH AND LOW REVERSE CLUTCH HUB
TM-289
< UNIT DISASSEMBLY AND ASSEMBLY > [7AT: RE7R01B]
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8. Remove seal rings from mid sun gear.
AssemblyINFOID:0000000006226934
1. Install seal rings to mid sun gear.
2. Install 2nd one-way clutch to rear sun gear.
3. Install snap ring to rear sun gear using a flat-bladed screwdriver. CAUTION:
 Be careful not to scratch rear sun gear and 2nd one-way
clutch.
 Be careful not to damage snap ring.
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Revision: 2010 May2011 QX56

TM-290
< UNIT DISASSEMBLY AND ASSEMBLY >[7AT: RE7R01B]
MID SUN GEAR, REAR SUN GEAR,
HIGH AND LOW REVERSE CLUTCH HUB
4. Install rear sun gear assembly to mid sun gear assembly.
5. Install needle bearing to high and low reverse clutch hub.
CAUTION:
Check the direction of need le bearing. Refer to TM-222,
"Location of Needle Bearings and Bearing Races".
6. Install high and low reverse clutch hub to mid sun gear assem- bly.
7. Install snap ring to mid sun gear assembly using pair of snap ring pliers.
CAUTION:
Be careful not to exp and snap ring excessively.
8. Check operation of 2nd one-way clutch.
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Revision: 2010 May2011 QX56

MID SUN GEAR, REAR SUN GEAR, HIGH AND LOW REVERSE CLUTCH HUB
TM-291
< UNIT DISASSEMBLY AND ASSEMBLY > [7AT: RE7R01B]
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M A
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a. Hold mid sun gear and turn rear sun gear.
b. Check 2nd one-way clutch for correct locking and unlocking directions.
CAUTION:
If not as shown in the figure, check installation direction of
2nd one-way clutch.
9. Install needle bearing and bearing races to high and low reverse clutch hub.
CAUTION:
Check the direction of needle bearing. Refer to TM-222,
"Location of Needle Bearings and Bearing Races".
InspectionINFOID:0000000006226935
INSPECTION AFTER REMOVAL
2nd One-way Clutch
1. Hold mid sun gear and turn rear sun gear.
2. Check 2nd one-way clutch for correct locking and unlocking
directions. If necessary, replace 2nd one-way clutch.
High and Low Reverse Clutch Hub Snap Ring, Rear Sun Gear Snap Ring
Check for deformation, fatigue or damage. If necessary, replace the snap ring.
2nd One-way Clutch
Check frictional surface for wear or damage. If necessary, replace the 2nd one-way clutch.
Mid Sun Gear
Check for deformation, fatigue or damage. If necessary, replace the mid sun gear.
Rear Sun Gear
Check for deformation, fatigue or damage. If necessary, replace the rear sun gear.
High and Low Reverse Clutch Hub
Check for deformation, fatigue or damage. If nece ssary, replace the high and low reverse clutch hub.
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Revision: 2010 May2011 QX56

TM-292
< UNIT DISASSEMBLY AND ASSEMBLY >[7AT: RE7R01B]
HIGH AND LOW REVERSE CLUTCH
HIGH AND LOW REVERSE CLUTCH
Exploded ViewINFOID:0000000006226936
DisassemblyINFOID:0000000006226937
1. Remove bearing race from high and low reverse clutch drum.
2. Remove snap ring from high and low reverse clutch drum using
a flat-bladed screwdriver.
CAUTION:
 Be careful not to scratch high and low reverse clutchdrum.
 Be careful not to damage snap ring.
3. Remove drive plates, driven plates and retaining plate from high and low reverse clutch drum.
1. High and low reverse clutch drum 2. High and low reverse clutch driven
plate3. High and low reverse clutch retaining
plate
4. Snap ring 5. High and low reverse clutch drive plate6. Bearing race
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Revision: 2010 May2011 QX56

HIGH AND LOW REVERSE CLUTCHTM-293
< UNIT DISASSEMBLY AND ASSEMBLY > [7AT: RE7R01B]
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G H
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M A
B
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AssemblyINFOID:0000000006226938
1. Install high and low reverse clutch drive plates, high and low reverse clutch driven plates, and high and low reverse clutch
retaining plate in high and low reverse clutch drum.
CAUTION:
Check the order of plates.
2. Install snap ring in high and low reverse clutch drum using a flat- bladed screwdriver.
CAUTION:
 Be careful not to scratch high and low reverse clutch
drum.
 Be careful not to damage snap ring.
3. Install bearing race to high and low reverse clutch drum. CAUTION:
Check the direction of needle bearing. Refer to TM-222,
"Location of Needle Bearings and Bearing Races".
InspectionINFOID:0000000006226939
INSPECTION AFTER REMOVAL
Check the following items. If necessary, replace high and low reverse clutch assembly.
High and Low Reverse Clutch Snap Ring
Check for deformation, fatigue or damage.
High and Low Reverse Clutch Drive Plates
Check facing for burns, cracks or damage.
High and Low Reverse Clutch Retaining Plate and Driven Plates
Check facing for burns, cracks or damage.
1: Snap ring
2 : Retaining plate
3 : Drive plate (five pieces)
4 : Driven plate (five pieces)
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Revision: 2010 May2011 QX56

TM-294
< UNIT DISASSEMBLY AND ASSEMBLY >[7AT: RE7R01B]
DIRECT CLUTCH
DIRECT CLUTCH
Exploded ViewINFOID:0000000006226940
DisassemblyINFOID:0000000006226941
1. Remove snap rings from direct clutch drum using a flat-bladed
screwdriver.
CAUTION:
 Be careful not to scratch direct clutch drum and direct
clutch retaining plate.
 Be careful not to damage snap ring.
2. Remove direct clutch drive plates, direct clutch driven plates, direct clutch retaining plate and direct clutch dish plate from
direct clutch drum.
AssemblyINFOID:0000000006226942
1. Install direct clutch drive plates, direct clutch driven plates, directclutch retaining plate and direct clutch dish plate in direct clutch
drum.
CAUTION:
Check the order of plates.
1. Direct clutch drum 2. Direct clutch driven plate 3. Direct clutch retaining plate
4. Snap ring 5. Direct clutch drive plate 6. Direct clutch dish plate
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1: Snap ring
2 : Retaining plate
3 : Drive plate (six pieces)
4 : Driven plate (six pieces)
5 : Dish plate
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Revision: 2010 May2011 QX56

DIRECT CLUTCHTM-295
< UNIT DISASSEMBLY AND ASSEMBLY > [7AT: RE7R01B]
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G H
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M A
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2. Install snap rings in direct clutch drum using a flat-bladed screw- driver.
CAUTION:
 Be careful not to scratch direct clutch drum and direct
clutch retaining plate.
 Be careful not to damage snap ring.
InspectionINFOID:0000000006226943
INSPECTION AFTER REMOVAL
Check the following items. If necessary, replace direct clutch assembly.
Direct Clutch Snap Ring
Check for deformation, fatigue or damage.
Direct Clutch Drive Plates
Check facing for burns, cracks or damage.
Direct Clutch Retaining Plate and Driven Plates
Check facing for burns, cracks or damage.
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Revision: 2010 May2011 QX56

WW-18
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (IPDM E/R)
DIAGNOSIS SYSTEM (IPDM E/R)
Diagnosis DescriptionINFOID:0000000006349814
AUTO ACTIVE TEST
Description
In auto active test, the IPDM E/R sends a drive signal to the following systems to check their operation.
 Oil pressure warning lamp
 Rear window defogger
 Front wiper (LO, HI)
 Parking lamp
 License plate lamp
 Tail lamp
 Side marker lamp
 Front fog lamp
 Headlamp (LO, HI)
 A/C compressor (magnet clutch)
Operation Procedure
CAUTION:
Never perform auto active test in the following conditions.
 Engine is running.
 CONSULT-III is connected.
1. Close the hood and lift the wiper arms from the windshield. (Prevent windshield damage due to wiper
operation)
NOTE:
When auto active test is performed with hood opened, sprinkle water on windshield beforehand.
2. Turn the ignition switch OFF.
3. Turn the ignition switch ON, and within 20 seconds, pr ess the driver door switch 10 times. Then turn the
ignition switch OFF.
CAUTION:
Close passenger door.
4. Turn the ignition switch ON within 10 seconds. Af ter that the horn sounds once and the auto active test
starts.
CAUTION:
Engine starts when igniti on switch is turned ON while brake pedal is depressed.
5. The oil pressure warning lamp starts blinking when the auto active test starts.
6. After a series of the following operations is repeated 3 times, auto active test is completed.
NOTE:
 When auto active test has to be cancelled halfway through test, turn the ignition switch OFF.
 When auto active test is not activated, door swit ch may be the cause. Check door switch. Refer to DLK-117,
"ComponentFunctionCheck".
Inspection in Auto Active Test
When auto active test is actuated, the following operation sequence is repeated 3 times.
Operation
sequence Inspection location Operation
1 Oil pressure warning lamp Blinks continuously during operation of auto active test
2 Rear window defogger 10 seconds
3 Front wiper LO for 5 seconds → HI for 5 seconds
4 Parking lamp
 License plate lamp
 Tail lamp
 Side marker lamp
 Front fog lamp 10 seconds
Revision: 2010 May2011 QX56