Land Rover Discovery Owners & Service Manuals

Land Rover Discovery: Electronic Engine Controls - Ingenium i4 2.0l Diesel

Land Rover Discovery (2009–2016) Service Manual / Powertrain / Engine / Electronic Engine Controls - Ingenium i4 2.0l Diesel

COMPONENT LOCATION - SHEET 1 OF 5

COMPONENT LOCATION - SHEET 1 OF 5

  1. Clutch pedal position sensor
  2. Accelerator Pedal Position (APP) sensor
  3. Clutch Bottom of Travel (BOT) switch
  4. Brake pedal switch
  5. Transmission Control Switch (TCS) - Automatic transmission only
  6. Diesel Exhaust Fluid (DEF) heater control unit
  7. Diesel exhaust fluid tank module
  8. Central Junction Box (CJB)
  9. Engine Control Module (ECM)
  10. Glow plug control module
  11. Fuel Pump Driver Module (FPDM)
  12. Starter motor
  13. Radiator outlet temperature sensor
  14. Water In Fuel (WIF) sensor
  15. Brake vacuum sensor

COMPONENT LOCATION - SHEET 2 OF 5

COMPONENT LOCATION - SHEET 2 OF 5

  1. Fuel injector (4 off)
  2. Manifold Absolute Pressure and Temperature (MAPT) sensor
  3. Differential pressure sensor (LP EGR)
  4. Mass Air Flow and Temperature (MAFT) sensor
  5. Electric throttle
  6. Fuel metering valve
  7. Fuel temperature sensor
  8. Crankshaft Position (CKP) sensor
  9. Oil pressure control solenoid
  10. Cylinder block temperature sensor
  11. Piston cooling oil jets solenoid
  12. Electric thermostat and Engine Coolant Temperature (ECT) sensor
  13. Camshaft Position (CMP) sensor

COMPONENT LOCATION - SHEET 3 OF 5

COMPONENT LOCATION - SHEET 3 OF 5

  1. Fuel rail Pressure Control Valve (PCV)
  2. Fuel Rail Pressure (FRP) sensor
  3. Camshaft Position (CMP) sensor
  4. Variable Camshaft Timing (VCT) solenoid

COMPONENT LOCATION - SHEET 4 OF 5

COMPONENT LOCATION - SHEET 4 OF 5

  1. High Pressure (HP) Exhaust Gas Recirculation (EGR) valve motor
  2. Low Pressure (LP) Exhaust Gas Recirculation (EGR) valve motor
  3. Variable Geometry Turbocharger (VGT) vane actuator
  4. Cylinder head temperature sensor
  5. Oil pressure and temperature sensor
  6. Variable coolant pump
  7. Heated Oxygen Sensor (HO2S)
  8. Pre-catalytic converter exhaust gas temperature sensor
  9. Pre-Diesel Particulate Filter (DPF) exhaust gas temperature sensor
  10. Differential pressure sensor
  11. Charge air temperature sensor

COMPONENT LOCATION - SHEET 5 OF 5 - VEHICLES WITH SELECTIVE CATALYST REDUCTION (SCR) SYSTEM - IF EQUIPPED

COMPONENT LOCATION - SHEET 5 OF 5 - VEHICLES WITH SELECTIVE CATALYST REDUCTION (SCR) SYSTEM - IF EQUIPPED

  1. Diesel Exhaust Fluid (DEF) injector
  2. Post selective catalyst reduction NOx sensor

OVERVIEW

The Ingenium I4 2.0 Diesel engine has an engine management system controlled by the Engine Control Module (ECM) which monitors, adapts and precisely controls the fuel injection. The ECM uses multiple sensor inputs and precision control of actuators to achieve optimum performance during all driving conditions.

The ECM controls fuel delivery to all four cylinders via a fuel rail injection system. The fuel rail system uses a common fuel rail to accumulate highly pressurized fuel and feed the four, electronically controlled injectors. The fuel rail is located in close proximity to the injectors, which assists in maintaining full system pressure at each injector at all times.

The ECM uses the drive by wire principle for acceleration control.

Accelerator pedal demand is communicated to the ECM by signals from an Accelerator Pedal Position (APP) sensor. The ECM uses the signals to determine the position, rate of movement and direction of movement of the accelerator pedal. The ECM then uses this data, along with other engine information from other sensors, to achieve the optimum engine response.

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 Electronic Engine Controls - Ingenium i4 2.0l Diesel / Description

ENGINE CONTROL MODULE (ECM) The ECM is located behind the secondary bulkhead panel in the centerline of the vehicle. The ECM is attached to a bracket with four screws which is secured to the bulkhea

 Crankshaft Position (CKP) Sensor

The CKP sensor is located at the front left side of the engine. The sensor is located in a hole in the lower timing chain cover and is secured with a screw. The sensor receives a 5V reference volta

 Electric Throttle

The electric throttle is located between the charge cooler connecting pipe and the intake manifold. The electric throttle is secured to the manifold with four Torx head bolts. The electric throttle

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 Power Steering - Description

Steering Gear Recirculating ball nut Steering rack Pinion shaft Torque sensor Boot (2 off) Track rod (2 off) Threaded boss for securing bolt (2 off) Signal and power lead for torque sensor Power Steering Control Module (PSCM) Electric motor Drive belt Reduction gear housing The steer

 Cylinder Head Gasket (G1875895) / Installation

INSTALLATION Check cylinder head face for distortion, across the center and from corner to corner. CAUTION: Make sure that the dowels and dowel holes are clean and free from debris and foreign material. NOTE: The cylinder head gasket must be installed over the cylinder head to cylinder block dow

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