Nissan Pathfinder (2012 year). Instruction — part 302
PREPARATION
EC-497
< PREPARATION >
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PREPARATION
PREPARATION
Special Service Tool
INFOID:0000000007358421
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Commercial Service Tool
INFOID:0000000007358422
Tool number
(Kent-Moore No.)
Tool name
Description
(J-44321)
Fuel pressure gauge
kit
Checks fuel pressure
(J-44321-6)
Fuel pressure adapter
Connects fuel pressure gauge to quick connector
type fuel lines.
(J-45488)
Quick connector re-
lease
Removes fuel tube quick connectors in engine
room.
LEC642
LBIA0376E
PBIC0198E
Tool name
(Kent-Moore No.)
Description
Leak detector
i.e.: (J-41416)
Locates the EVAP leak
EVAP service port
adapter
i.e.: (J-41413-OBD)
Applies positive pressure through EVAP service
port
S-NT703
S-NT704
August 2012
2012 Pathfinder
EC-498
< PREPARATION >
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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
August 2012
2012 Pathfinder
ENGINE CONTROL SYSTEM
EC-499
< SYSTEM DESCRIPTION >
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SYSTEM DESCRIPTION
ENGINE CONTROL SYSTEM
System Diagram
INFOID:0000000007358423
JMBIA1925GB
August 2012
2012 Pathfinder
EC-500
< SYSTEM DESCRIPTION >
[VK56DE]
ENGINE CONTROL SYSTEM
Engine Control Component Parts Location
INFOID:0000000007358424
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
August 2012
2012 Pathfinder
ENGINE CONTROL SYSTEM
EC-501
< 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
August 2012
2012 Pathfinder
EC-502
< SYSTEM DESCRIPTION >
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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
August 2012
2012 Pathfinder
ENGINE CONTROL SYSTEM
EC-503
< 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
August 2012
2012 Pathfinder
EC-504
< SYSTEM DESCRIPTION >
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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
August 2012
2012 Pathfinder
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