Nissan Pathfinder (2011 year). Manual — part 305
EC-494
< PREPARATION >
[VK56DE]
PREPARATION
Fuel filler cap adapter
i.e.: (MLR-8382)
Checks fuel tank vacuum relief valve opening
pressure
Socket wrench
Removes and installs engine coolant temperature
sensor
Oxygen sensor thread
cleaner
i.e.: (J-43897-18)
(J-43897-12)
Reconditions the exhaust system threads before
installing a new oxygen sensor. Use with anti-
seize lubricant shown below.
a: 18 mm diameter with pitch 1.5 mm for Zirco-
nia Oxygen Sensor
b: 12 mm diameter with pitch 1.25 mm for Tita-
nia Oxygen Sensor
Anti-seize lubricant
i.e.: (Permatex
TM
133AR or equivalent
meeting MIL specifica-
tion MIL-A-907)
Lubricates oxygen sensor thread cleaning tool
when reconditioning exhaust system threads.
Tool name
(Kent-Moore No.)
Description
S-NT815
S-NT705
AEM488
S-NT779
2011 Pathfinder
ENGINE CONTROL SYSTEM
EC-495
< SYSTEM DESCRIPTION >
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SYSTEM DESCRIPTION
ENGINE CONTROL SYSTEM
System Diagram
INFOID:0000000006244213
JMBIA1925GB
2011 Pathfinder
EC-496
< SYSTEM DESCRIPTION >
[VK56DE]
ENGINE CONTROL SYSTEM
Engine Control Component Parts Location
INFOID:0000000006244214
1.
ECM
2.
Battery current sensor
3.
Refrigerant pressure sensor
4.
Power steering pressure sensor
5.
Intake valve timing control solenoid
valve (bank 2)
6.
Cooling fan motor
7.
Intake valve timing control position
sensor (bank 2)
8.
Engine coolant temperature sensor
9.
Electric throttle control actuator
10. Intake valve timing control position
sensor (bank 1)
11. Intake valve timing control solenoid
valve (bank 1)
12. Camshaft position sensor (PHASE)
13. Mass air flow sensor (with intake air
temperature sensor)
14. A/F sensor 1 (bank 1)
15. Ignition coil (with power transistor)
and spark plug (bank 1)
16. EVAP service port
17. Fuel injector (bank 1)
18. Knock sensor (bank 1)
19. EVAP canister purge volume control
solenoid valve
20. Knock sensor (bank 2)
21. Fuel injector (bank 2)
22. Ignition coil (with power transistor)
and spark plug (bank 2)
23. A/F sensor 1 (bank 2)
24. IPDM E/R
ALBIA0352ZZ
2011 Pathfinder
ENGINE CONTROL SYSTEM
EC-497
< SYSTEM DESCRIPTION >
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1.
Body ground (view with air cleaner
case removed)
2.
Body ground (view with battery re-
moved)
3.
No.1 ignition coil
4.
Engine ground
5.
Mass air flow sensor (with intake air
temperature sensor)
6.
IPDM E/R
7.
Battery
8.
Radiator hose
9.
Camshaft position sensor (PHASE)
AWBIA0081ZZ
2011 Pathfinder
EC-498
< SYSTEM DESCRIPTION >
[VK56DE]
ENGINE CONTROL SYSTEM
10. Electric throttle control actuator
(view with intake air duct removed)
11. Electronic throttle control actuator
harness connector (view with intake
air duct removed)
12. Cooling fan motor harness connec-
tor
: Vehicle front
AWBIA0082ZZ
2011 Pathfinder
ENGINE CONTROL SYSTEM
EC-499
< SYSTEM DESCRIPTION >
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1.
EVAP canister purge volume control
solenoid valve (view with engine
cover removed)
2.
EVAP service port
3.
Crankshaft position sensor (POS)
(view from under vehicle)
4.
Engine oil pan
5.
Condenser-1
6.
Brake fluid reservoir
7.
Fuel filler pipe (top of frame view)
8.
EVAP control system pressure sen-
sor
9.
EVAP canister vent control valve
10. EVAP canister
11. Drain filter
12. Refrigerant pressure sensor
13. Intake valve timing control position
sensor (bank 2) (view with engine
cover and intake air duct removed)
14. Intake valve timing control position
sensor (bank 1)
15. Intake valve timing control solenoid
valve (bank 2) (view with engine cov-
er and intake air duct removed)
16. Drive belt
17. Radiator hose (view with engine cov-
er and intake air duct removed)
18
Intake valve timing control solenoid
valve (bank 1)
: Vehicle front
ALBIA0369ZZ
1.
Knock sensor (bank 1) (view with en-
gine removed)
2.
Knock sensor (bank 2) (view with en-
gine removed)
3.
Battery current sensor
4.
Power steering pressure sensor
5.
Intake manifold
6.
Engine coolant temperature sensor
2011 Pathfinder
EC-500
< SYSTEM DESCRIPTION >
[VK56DE]
ENGINE CONTROL SYSTEM
7.
Ignition coil (with power transistor)
(bank2)
8.
Ignition coil (with power transistor)
(bank 1)
9.
Fuel injector harness connectors
(bank 2)
10. Fuel injector harness connectors
(bank 1)
: Vehicle front
PBIB2710E
1.
A/F sensor 1 (bank 2)
2.
A/F sensor 1(bank 1)
3.
Heated oxygen sensor 2
(bank 1)
4.
Heated oxygen sensor 2
(bank 2)
: Vehicle front
AWBIA0083ZZ
2011 Pathfinder
ENGINE CONTROL SYSTEM
EC-501
< SYSTEM DESCRIPTION >
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1.
ASCD steering switch
2.
MAIN switch
3.
CANCEL switch
4.
SET/COAST switch
5.
RESUME/ACCELERATE switch
6.
ECM harness connectors (view with
ECM cover removed)
7.
Coolant reservoir
8.
Accelerator pedal position sensor
9.
Fuel level sensor unit and fuel pump
harness connector (view with fuel
tank removed)
AWBIA0084ZZ
2011 Pathfinder
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