Electronic Engine Controls - V8 4.4L Petrol: Specifications

Electronic Engine Controls - V8 4.4L Petrol: Specifications Land Rover Discovery IV

SPECIFICATIONS

Item	Land Rover Part No.
(1) HO2s removal	STC 50545
HO2s threads	Apply suitable high temperature anti-seize compound to threads of sensor
(1) Apply to area around sensor threads prior to attempting to remove sensor

(1)	Apply to area around sensor threads prior to attempting to remove sensor

LUBRICANTS

Item	Description
Engine management system
Make	Denso
Type	PAG EMS Generation 1
Camshaft position sensor
Make	Denso
Type	Left-hand XR83-6B288-AB and Right-hand 2W93-6B288-AA
Crankshaft position sensor
Make	Denso
Type	XW43-6C315-BB

GENERAL SPECIFICATION

Description	Nm	Lb-ft
Variable camshaft timing (VCT) oil control solenoid bolt	10	7
Knock sensor (KS) bolts	20	15
Crankshaft position (CKP) sensor Torx screw	8	6
(1) Heated oxygen sensor (HO2S)	45	33
(2) RH catalytic converter to exhaust manifold bolts	22	16
(2) LH catalytic converter to exhaust manifold bolts	22	16
Mass air flow (MAF) sensor Torx screws	2	1.5
Camshaft position (CMP) sensor Torx screw	7	5
Engine coolant temperature (ECT) sensor	18	13
(3) Fuel temperature sensor	7	5
(1) Catalyst monitor sensor	45	33
Catalyst monitor sensor heat shield bolts	10	7
Engine oil pressure sensor	12	9
ECM retaining bolts	1.5	1.1
MAP sensor retaining bolts	3	2
Radiator access panel bolts	10	7
Engine oil temperature sensor	20	15
(1) Apply suitable high temperature anti-seize compound to threads of sensor (2) New bolts must be installed (3) Apply anti-seize lubricant to threads - See Lubricants

(1)	Apply suitable high temperature anti-seize compound to threads of sensor

(2)	New bolts must be installed

(3)	Apply anti-seize lubricant to threads - See Lubricants

TORQUE SPECIFICATIONS

4.4 Liter Electronic Engine Controls-Component Location (Sheet 1 Of 2)

Scheme 4: ELECTRONIC ENGINE CONTROLS

Item	Part Number	Description
1		Positive crankcase ventilation (PCV)
2		Fuel rail temperature sensor
3		Injectors
4		Knock sensor
5		Camshaft position (CMP) sensor
6		Manifold absolute pressure (MAP)sensor
7		Universal Heated Exhaust Gas Oxygen (UHEGO) sensors
8		Heated Exhaust Gas Oxygen (HEGO) sensors
9		Crankshaft position (CKP) sensor
10		Spark plugs
11		Ignition coils
12		Variable Valve Timing (VVT) oil control solenoid
13		Mass air flow (MAF) sensor
14		Exhaust gas recirculation (EGR) valve
15		Electric throttle

4.4 Liter Electronic Engine Controls-Component Location (Sheet 2 Of 2)

Item	Part Number	Description
1		Main relay
2		Transfer box control module
3		Engine control module (ECM)
4		Accelerator pedal position (APP)
5		Brake light switch
6		Anti-lock brake system (ABS) control module

4.4 Liter Electronic Engine Controls-Input Control Diagram (Sheet 1 Of 2)

Note. A=Hardwired

Item	Part Number	Description
1		Main relay
2		CMP sensor
3		CKP sensor
4		Engine coolant temperature (ECT) sensor
5		APP sensor
6		MAP
7		Engine oil temperature sensor
8		MAF/intake air temperature (IAT) sensor
9		Fuel rail temperature sensor
10		Restraints control module (RCM)
11		Brake light switch
12		Clutch switch (Not used)
13		Knock sensors
14		ECM
15		Fuse 60 P
16		Fuse 25 P
17		Ignition switch
18		Fuseable link 11 E

4.4 Liter Electronic Engine Controls-Control Diagram (Sheet 2 Of 2)

Note. A= Hardwired D= controller area network (CAN)

Item	Part Number	Description
1		Injectors
2		Engine cooling fan
3		Variable Valve Timing (VVT) oil control solenoids
4		ABS control module
5		Instrument cluster
6		Transmission control module (TCM)
7		RCM
8		Differential control module
9		Transfer box control module
10		Electric park brake control module
11		Automatic temperature control (ATC) control module
12		UHEGO
13		Ignition coils
14		HEGO
15		Generator
16		ECM
17		EGR valve
18		Clock spring
19		Speed control switches
20		Electric throttle