Land Rover Lesson 2 Auto Trans Coolingine Rover Manual
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4.4 Liter Electronic Engine Controls-Input Control Diagram (Sheet 1 of 2) Main relay1 Camshaft sensor (CMP)2 Crankshaft position sensor (CKP)3 Engine Coolant Temperature sensor (ECT4 Electronic Engine ControlsLesson 2 – Powertrain 187Technical Training (G421151)
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Accelerator Pedal Position sensor (APP)5 Manifold Absolute Pressure Sensor (APP)6 Engine oil temperature sensor7 Mass Air Flow/Inlet Air Temperature sensor (MAF/IAT) 8 Fuel rail temperature sensor9 Restraints control module10 Brake light switch11 Clutch switch (Not used)12 Knock sensors13 ECM14 Fuse 60 P15 Fuse 25 P16 Ignition switch17 Fuseable link 11 E18 (G421151) Technical Training188 Lesson 2 – PowertrainElectronic Engine Controls
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4.4 Liter Electronic Engine Controls-Control Diagram (Sheet 2 of 2) NOTE: A= Hardwired D= CAN Injectors1Engine cooling fan2 Electronic Engine ControlsLesson 2 – Powertrain 189Technical Training (G421151)
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Variable Valve Timing (VVT) oil control solenoids 3 ABS control module4 Instrument pack5 EAT control module6 Restraints control module7 Differential control module8 Transfer box control module9 Electric park brake control module10 ATC control module11 UHEGO12 Ignition coils13 HEGO14 Generator15 ECM16 EGR valve17 Clock spring18 Speed control switches19 Electric throttle20 GENERAL The V8 4.4 Liter engine is controlled by a Engine Control Module (ECM) manufactured by DENSO. The Engine Management System...
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System ECM has the following inputs: •Engine fuelling •Ignition timing •Closed loop fuelling •Knock control •Idle speed control •Emission control •On Board Diagnostic •Interface with the immobilisation system The ECM outputs to the following: •Throttle Actuator •Ignition coils (x8) •Oxygen sensor heaters (4) •Fuel injectors (8) •EGR stepper motor •Variable Valve Timing Oil Valves (2) •Purge Valve •Engine Cooling Fan •Fuel pump relay •Starter Relay •Air conditioning condenser fan module •EMS Main Relay...
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-MAF ground16 -HEGO ground17 -Not used18 -Knock sensor 1 ground19 -Knock sensor 2 ground20 -Knock sensor 3 ground21 -Knock sensor 4 ground22 OutputElectronic throttle body 5V supply 23 OutputFuel pump relay24 -Not used25 -Not used26 -Not used27 -Not used28 InputRadiator temperature sensor29 InputCrank sensor signal30 -Not used31 -Not used32 InputCMP signal bank B33 InputCMP signal bank A34 -Not used35 InputUHEGO signal bank A36 -UHEGO signal bank A ground37 -UHEGO signal bank B ground38 InputFuel...
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OutputKnock sensor 2 +44 OutputKnock sensor 3 +45 OutputKnock sensor 4 +46 OutputGenerator control47 OutputE-box fan48 -Not used49 OutputEGR stepper motor 450 OutputEGR stepper motor 351 OutputEGR stepper motor 252 OutputEGR stepper motor 153 OutputIgnition coil cylinder 4 B54 OutputIgnition coil cylinder 4 A55 OutputIgnition coil cylinder 3 B56 -Not used57 -Not used58 -Not used59 -Not used60 -Not used61 -Not used62 -Not used63 -Not used64 -Not used65 -Not used66 -Not used67 -Not used68 -Not used69...
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OutputThrottle body power supply73 OutputThrottle valve open direction -74 OutputThrottle valve open direction +75 OutputUHEGO Heater bank A76 OutputUHEGO Heater bank B77 OutputInjector cylinder 4B78 OutputInjector cylinder 4A79 OutputInjector cylinder 3B80 OutputInjector cylinder 3A81 OutputInjector cylinder 2B82 OutputInjector cylinder 2A83 OutputInjector cylinder 1B84 OutputInjector cylinder 1A85 OutputVVT bank A86 OutputVVT bank B87 OutputViscous fan control88 -Not used89 InputOil temperature...
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Input/OutputDescriptionPin No -Power ground 24 InputECM power5 -APP sensor ground 16 -APP sensor ground 27 -Not used8 -Not used9 -Not used10 -Not used11 InputPark/Neutral signal12 -Not used13 -Not used14 -Not used15 OutputEMS relay16 OutputCrank request17 OutputCAN +18 OutputAPP sensor 2 power19 OutputFuel pump control20 -Not used21 -Not used22 -Not used23 OutputAPP sensor 1 signal24 -Not used25 InputBrake light switch26 -Not used27 -Not used28 -Not used29 InputIgnition switch30 InputCAN +31 Electronic...
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Input/OutputDescriptionPin No OutputAPP sensor 1 power32 OutputDMTL33 -Not used34 OutputCruise switch -35 InputCruise switch +36 CRANKSHAFT POSITION SENSOR (CKP) The crankshaft position sensor is mounted at the rear underside of the engine near the transmission bell housing. Connection between the sensor and the harness is via a link harness and a two-way connector. Both wires go directly to the ECM. The sensor produces the signal which enables the ECM to determine the angle of the crankshaft, and the...