Infiniti QX56 (JA60). Manual - part 461

 

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Infiniti QX56 (JA60). Manual - part 461

 

 

EC-496

< ON-VEHICLE REPAIR >

[VK56DE]

INTAKE VALVE TIMING CONTROL

4. Remove camshaft position sensor (2) from Intake valve timing

control solenoid valve cover (LH) (1).

INSTALLATION

Installation is in the reverse order of removal.

CAUTION:

Replace the O-ring (3) of the camshaft position sensor with a new one, then lubricate O-ring with

engine oil before installing.

AWBIA0142ZZ

Camshaft position sensor bolt

: 9.6 N·m (0.98 kg-m, 85 in-lb)

SERVICE DATA AND SPECIFICATIONS (SDS)

EC-497

< SERVICE DATA AND SPECIFICATIONS (SDS) 

[VK56DE]

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SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

Fuel Pressure

INFOID:0000000005149516

Idle Speed and Ignition Timing

INFOID:0000000005149517

*: Under the following conditions:
• Air conditioner switch: OFF
• Electric load: OFF (Lights and heater fan)
• Steering wheel: Kept in straight-ahead position

Calculated Load Value

INFOID:0000000005149518

Mass Air Flow Sensor

INFOID:0000000005149519

*: Engine is warmed up to normal operating temperature and running under no load.

Intake Air Temperature Sensor

INFOID:0000000005149520

Engine Coolant Temperature Sensor

INFOID:0000000005149521

A/F Sensor 1 Heater

INFOID:0000000005149522

Fuel pressure at idling kPa (kg/cm

2

, psi)

Approximately 350 (3.57, 51)

Target idle speed

No-load* (in P or N position)

650

±50 rpm

Air conditioner: ON

In P or N position

700 rpm or more

Ignition timing

In P or N position

15

° ± 5° BTDC

Condition

Calculated load value % (Using CONSULT-IIl or GST)

At idle

14.0 - 33.0

At 2,500 rpm

12.0 - 25.0

Supply voltage

Battery voltage (11 - 14V)

Output voltage at idle

1.0 - 1.3V*

Mass air flow (Using CONSULT-IIl or GST)

3.0 - 9.0 g·m/sec at idle*

9.0 - 28.0 g·m/sec at 2,500 rpm*

Temperature 

°C (°F)

Resistance k

25 (77)

1.800 - 2.200

Temperature 

°C (°F)

Resistance k

20 (68)

2.1 - 2.9

50 (122)

0.68 - 1.00

90 (194)

0.236 - 0.260

Resistance [at 25

°C (77°F)]

1.98 - 2.66

EC-498

< SERVICE DATA AND SPECIFICATIONS (SDS) 

[VK56DE]

SERVICE DATA AND SPECIFICATIONS (SDS)

Heated Oxygen sensor 2 Heater

INFOID:0000000005149523

Crankshaft Position Sensor (POS)

INFOID:0000000005149524

Refer to 

EC-203, "Component Inspection"

.

Camshaft Position Sensor (PHASE)

INFOID:0000000005149525

Refer to 

EC-207, "Component Inspection"

.

Throttle Control Motor

INFOID:0000000005149526

Fuel Injector

INFOID:0000000005149527

Fuel Pump

INFOID:0000000005149528

Resistance [at 25

°C (77°F)]

8 - 10

Resistance [at 25

°C (77°F)]

Approximately 1 - 15

Resistance [at 10 - 60

°C (50 - 140°F)]

11.1 - 14.5

Resistance [at 25

°C (77°F)]

0.2 - 5.0

EM-1

ENGINE

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SECTION 

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CONTENTS

ENGINE MECHANICAL

PRECAUTION ...............................................

3

PRECAUTIONS ...................................................

3

Precaution for Supplemental Restraint System 
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" .................................................................
..

3

Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect ...................................
..

3

Precaution for Drain Engine Coolant .........................

4

Precaution for Disconnecting Fuel Piping  .................

4

Precaution for Removal and Disassembly  ................

4

Precaution for Inspection, Repair and Replace-
ment ........................................................................
..

4

Precaution for Assembly and Installation  ..................

4

Parts Requiring Angular Tightening ..........................

4

Precaution for Liquid Gasket .....................................

5

PREPARATION ............................................

6

PREPARATION ...................................................

6

Special Service Tool  .................................................

6

Commercial Service Tool  ..........................................

8

FUNCTION DIAGNOSIS ..............................

10

NOISE, VIBRATION, AND HARSHNESS 
(NVH) TROUBLESHOOTING  ............................

10

NVH Troubleshooting - Engine Noise  .....................

10

Use the Chart Below to Help You Find the Cause 
of the Symptom  .......................................................

11

ON-VEHICLE MAINTENANCE ....................

13

DRIVE BELTS  ....................................................

13

Exploded View  ........................................................

13

Checking Drive Belts ...............................................

13

Removal and Installation .........................................

13

Drive Belt Auto Tensioner and Idler Pulley  .............

14

AIR CLEANER FILTER ......................................

15

Exploded View  ........................................................

15

Removal and Installation (Viscous paper type) .......

15

SPARK PLUG  ...................................................

16

Exploded View .........................................................

16

Removal and Installation  .........................................

16

CAMSHAFT VALVE CLEARANCE  ..................

18

Valve Clearance  ......................................................

18

COMPRESSION PRESSURE  ...........................

23

Checking Compression Pressure  ............................

23

ON-VEHICLE REPAIR .................................

24

ENGINE ROOM COVER  ...................................

24

Removal and Installation  .........................................

24

AIR CLEANER AND AIR DUCT  .......................

25

Exploded View .........................................................

25

Removal and Installation  .........................................

25

INTAKE MANIFOLD  .........................................

26

Exploded View .........................................................

26

Removal and Installation  .........................................

26

EXHAUST MANIFOLD AND THREE WAY 
CATALYST ........................................................

30

Exploded View .........................................................

30

Removal and Installation  .........................................

30

OIL PAN AND OIL STRAINER  .........................

33

Exploded View .........................................................

33

Removal and Installation  .........................................

33

IGNITION COIL  .................................................

37

Exploded View .........................................................

37

Removal and Installation  .........................................

37

ROCKER COVER  .............................................

38

Exploded View .........................................................

38

Removal and Installation  .........................................

38

FUEL INJECTOR AND FUEL TUBE  ................

40

Exploded View .........................................................

40

Removal and Installation  .........................................

40

 

 

 

 

 

 

 

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