Land Rover Lesson 2 Auto Trans Coolingine Rover Manual
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81Engine.......................................................................................................................................................... 81GENERAL...................................................................................................................................................................... 82TECHNICAL FEATURES............................................................................................................................................. 82ENGINE DATA.............................................................................................................................................................. 83CYLINDER BLOCK COMPONENTS.......................................................................................................................... 92CRANKSHAFT AND SUMP COMPONENTS............................................................................................................ 97CAMSHAFT TIMING COMPONENTS....................................................................................................................... 101CYLINDER HEAD COMPONENTS............................................................................................................................ 110LUBRICATION SYSTEM............................................................................................................................................. 113EXHAUST MANIFOLD................................................................................................................................................ 115Engine Cooling............................................................................................................................................ 116GENERAL...................................................................................................................................................................... 116ENGINE COOLING SYSTEM...................................................................................................................................... 118ENGINE COOLING SYSTEM OPERATION.............................................................................................................. 121Engine Cooling............................................................................................................................................ 122GENERAL...................................................................................................................................................................... 122ENGINE COOLING SYSTEM...................................................................................................................................... 124ENGINE COOLING SYSTEM OPERATION.............................................................................................................. 126Engine Cooling............................................................................................................................................ 133GENERAL...................................................................................................................................................................... 133ENGINE COOLING SYSTEM...................................................................................................................................... 135ENGINE COOLING SYSTEM OPERATION.............................................................................................................. 140Fuel Charging and Controls...................................................................................................................... 140GENERAL...................................................................................................................................................................... 140INTAKE MANIFOLD.................................................................................................................................................... Technical Training4 Table of Contents
140FUEL PUMP................................................................................................................................................................... 140THROTTLE BODY........................................................................................................................................................ 141FUEL RAIL.................................................................................................................................................................... 142FUEL PRESSURE REGULATOR................................................................................................................................. 142INJECTORS.................................................................................................................................................................... 143Fuel Charging and Controls...................................................................................................................... 144GENERAL...................................................................................................................................................................... 144INTAKE MANIFOLD.................................................................................................................................................... 144FUEL PUMP................................................................................................................................................................... 144THROTTLE BODY........................................................................................................................................................ 145FUEL RAIL.................................................................................................................................................................... 145FUEL PRESSURE ACCUMULATOR.......................................................................................................................... 145FUEL TEMPERATURE SENSOR................................................................................................................................ 146INJECTORS.................................................................................................................................................................... 147Fuel Charging and Controls...................................................................................................................... 147GENERAL...................................................................................................................................................................... 148LP SYSTEM................................................................................................................................................................... 149HP SYSTEM................................................................................................................................................................... 160FUEL INJECTORS......................................................................................................................................................... 164Turbocharger.............................................................................................................................................. 166Engine Emission Control........................................................................................................................... 167EGR SYSTEM................................................................................................................................................................ 168CRANKCASE VENTILATION SYSTEM.................................................................................................................... 170Engine Emission Control........................................................................................................................... 170EXHAUST GAS RECIRCULATION (EGR)................................................................................................................ Table of Contents 5Technical Training
171CRANKCASE VENTILATION..................................................................................................................................... 172Engine Emission Control........................................................................................................................... 172EGR SYSTEM................................................................................................................................................................ 175CRANKCASE VENTILATION..................................................................................................................................... 177Evaporative Emissions............................................................................................................................... 178GENERAL...................................................................................................................................................................... 179PURGE VALVE AND HOSES...................................................................................................................................... 181CHARCOAL CANISTER.............................................................................................................................................. 182DIAGNOSTIC MONITORING OF TANK LEAKAGE (DMTL) - NAS ONLY......................................................... 184Electronic Engine Controls........................................................................................................................ 190GENERAL...................................................................................................................................................................... 190ENGINE CONTROL MODULE (ECM)....................................................................................................................... 196CRANKSHAFT POSITION SENSOR (CKP)............................................................................................................... 196CAMSHAFT POSITION SENSOR (CMP)................................................................................................................... 197ENGINE COOLANT TEMPERATURE SENSOR (ECT)............................................................................................ 197ENGINE OIL TEMPERATURE SENSOR.................................................................................................................... 198FUEL RAIL TEMPERATURE SENSOR...................................................................................................................... 198MASS AIR FLOW/INLET AIR TEMPERATURE SENSOR (MAF/IAT).................................................................. 199MANIFOLD ABSOLUTE PRESSURE SENSOR (MAP)............................................................................................ 199KNOCK SENSORS........................................................................................................................................................ 200ELECTRONIC THROTTLE.......................................................................................................................................... 201ACCELERATOR PEDAL POSITION SENSOR (APP)............................................................................................... 201OXYGEN SENSORS..................................................................................................................................................... 203GENERATOR................................................................................................................................................................ 203FUEL INJECTORS......................................................................................................................................................... 204IGNITION COILS.......................................................................................................................................................... Technical Training6 Table of Contents
204FUEL PUMP RELAY.................................................................................................................................................... 204VISCOUS FAN CONTROL........................................................................................................................................... 205VARIABLE VALVE TIMING (VVT)........................................................................................................................... 206EXHAUST GAS RECIRCULATION (EGR) VALVE.................................................................................................. 207ECM ADAPTIONS........................................................................................................................................................ 217TERRAIN RESPONSE ™ ............................................................................................................................................ 217CENTRAL JUNCTION BOX........................................................................................................................................ 218Electronic Engine Controls........................................................................................................................ 224GENERAL...................................................................................................................................................................... 225ECM................................................................................................................................................................................ 233IMMOBILISATION....................................................................................................................................................... 233CAMSHAFT POSITION SENSOR (CMP)................................................................................................................... 234CRANKSHAFT POSITION SENSOR (CKP)............................................................................................................... 234MASS AIR FLOW/INTAKE AIR TEMPERATURE (MAF/IAT) SENSOR............................................................... 235ENGINE COOLANT TEMPERATURE SENSOR....................................................................................................... 237ENGINE OIL TEMPERATURE SENSOR.................................................................................................................... 237FUEL RAIL TEMPERATURE SENSOR...................................................................................................................... 238BRAKE LIGHT SWITCH.............................................................................................................................................. 238GLOW PLUGS............................................................................................................................................................... 239INTAKE AIR TEMPERATURE (BOOST AIR TEMPERATURE) SENSOR............................................................. 239BOOST PRESSURE CONTROL................................................................................................................................... 240FUEL RAIL PRESSURE CONTROL VALVE............................................................................................................. 241FUEL VOLUME CONTROL VALVE.......................................................................................................................... 241INJECTORS.................................................................................................................................................................... 241EGR SYSTEM................................................................................................................................................................ 242ACCELERATOR PEDAL POSITION SENSOR (APP)............................................................................................... Table of Contents 7Technical Training
243ELECTRONIC THROTTLE.......................................................................................................................................... 243TERRAIN RESPONSE ™ ............................................................................................................................................ 243CENTRAL JUNCTION BOX........................................................................................................................................ 244GENERATOR................................................................................................................................................................ 245Automatic Transmission............................................................................................................................ 246GENERAL...................................................................................................................................................................... 250TORQUE CONVERTER............................................................................................................................................... 256FLUID PUMP................................................................................................................................................................. 258MECHATRONIC VALVE BLOCK.............................................................................................................................. 265DRIVE CLUTCHES....................................................................................................................................................... 266PLANETARY GEAR TRAINS...................................................................................................................................... 267POWER FLOWS............................................................................................................................................................ 281SELECTOR POSITION SWITCH................................................................................................................................. 281FLUID COOLING.......................................................................................................................................................... 283GEAR SELECTOR LEVER ASSEMBLY.................................................................................................................... 287INSTRUMENT CLUSTER............................................................................................................................................ 288TRANSMISSION CONTROL MODULE (TCM)......................................................................................................... 290DIAGNOSTICS.............................................................................................................................................................. 295CONTROLLER AREA NETWORK (CAN)................................................................................................................. 295DRIVING MODES......................................................................................................................................................... 299TRANSMISSION FAULT STATUS............................................................................................................................. 299ENGINE SPEED AND TORQUE MONITORING....................................................................................................... 299TOWING FOR RECOVERY......................................................................................................................................... 300CONTROL DIAGRAM.................................................................................................................................................. 302Manual Transmission................................................................................................................................. 303GENERAL...................................................................................................................................................................... Technical Training8 Table of Contents
304INTERNAL SHIFTING SYSTEM................................................................................................................................. 306INTERLOCK.................................................................................................................................................................. 307GATE.............................................................................................................................................................................. 307SYNCHRONISATION................................................................................................................................................... 308GEAR POSITION SENSOR.......................................................................................................................................... 309SPEED SENSOR............................................................................................................................................................ 310SERVICE........................................................................................................................................................................ 311Four-Wheel Drive Systems........................................................................................................................ 314GENERAL...................................................................................................................................................................... 316TRANSFER BOX CASINGS......................................................................................................................................... 317OIL PUMP...................................................................................................................................................................... 317CHAIN DRIVE............................................................................................................................................................... 317TRANSFER BOX MOTOR........................................................................................................................................... 319CENTRE DIFFERENTIAL ASSEMBLY...................................................................................................................... 322MULTI-PLATE CLUTCH ASSEMBLY....................................................................................................................... 324TRANSFER BOX CONTROL MODULE..................................................................................................................... 328TRANSFER BOX CONTROL MODULE INPUTS...................................................................................................... 331TRANSFER BOX CONTROL MODULE OUTPUTS.................................................................................................. 336SERVICE........................................................................................................................................................................ 337DIAGNOSTICS.............................................................................................................................................................. 338SYSTEM OPERATION................................................................................................................................................. 340HIGH RANGE OPERATION........................................................................................................................................ 340LOW RANGE OPERATION......................................................................................................................................... 340HIGH/LOW RANGE GEARS WITH SHIFT-ON-THE-MOVE................................................................................... 340RANGE CHANGE PROCEDURE (AUTOMATIC VEHICLES ONLY).................................................................... 341RANGE CHANGE PROCEDURE (MANUAL VEHICLES ONLY)........................................................................... Table of Contents 9Technical Training
342TRANSFER BOX CONTROL DIAGRAM................................................................................................................... 344Fuel Tank and Lines................................................................................................................................... 345GENERAL...................................................................................................................................................................... 346FUEL TANK ASSEMBLY............................................................................................................................................ 352FUEL FILLER PIPE ASSEMBLY................................................................................................................................. 355Fuel Tank and Lines................................................................................................................................... 356GENERAL...................................................................................................................................................................... 357FUEL TANK ASSEMBLY............................................................................................................................................ 363FUEL FILTER................................................................................................................................................................ 364FUEL FILLER................................................................................................................................................................ 365FUEL COOLER.............................................................................................................................................................. 366Test questions.............................................................................................................................................. Technical Training10 Table of Contents
4.4 Liter Electronic Engine Controls-Component Location (Sheet 1of 2) Crankcase ventilation valve (PCV)1 Fuel rail temperature sensor2 Injectors3 Knock sensor4 (G421151) Technical Training184 Lesson 2 – PowertrainElectronic Engine Controls
Camshaft position sensor (CMP)5 Manifold Absolute Pressure sensor (MAP)6 Universal Heated Exhaust Gas Oxygen (UHEGO) sensors 7 Heated Exhaust Gas Oxygen (HEGO) sensors8 Crankshaft position sensor9 Spark plugs10 Ignition coils11 Variable Valve Timing (VVT) oil control solenoid 12 Mas Air Flow (MAF) sensor13 Exhaust Gas Recirculation (EGR) valve14 Electric throttle15 4.4 Liter Electronic Engine Controls-Component Location (Sheet 2 of 2) Main relay1Transfer box control module2 Electronic Engine ControlsLesson 2 – Powertrain 185Technical Training (G421151)
Engine Control Module (ECM)3 Accelerator Pedal Position sensor (APP)4 Brake light switch5 Antilock Braking System (ABS) control module6 (G421151) Technical Training186 Lesson 2 – PowertrainElectronic Engine Controls