Range Rover Sport (LS) V8-4.2L SC (2006)
Engine Control Module: Description and Operation
Engine Control Module (ECM)
The ECM (engine control module) is located in the E-Box in the plenum area on the passenger side of the engine compartment attached to the bulkhead.
System ECM (engine control module) has the following inputs:
^
RCM (restraints control module)
^
Park/neutral switch
^
Ignition coil feedback x2
^
Fuel rail temperature
^
Fuel rail pressure
^
Supercharger
^
inlet pressure
^
Mass air flow
^
Engine speed
^
Camshaft position x2
^
Driver demand
^
Brake pedal position switch
^
Speed control switches
^
Generator load
^
Oxygen sensors pre catalyst x2
^
Oxygen sensors post catalyst x2
^
Throttle position
^
Cooling fan speed
^
Ignition switch position
^
Knock sensors x2
^
MAP (manifold absolute pressure)
^
Intercooler temperature
^
Coolant temperature
^
Engine oil temperature
The ECM (engine control module) outputs to the following:
^
Throttle Actuator
^
Brake vacuum pump relay
^
Ignition coils (x8)
^
Oxygen sensor heaters (4)
^
Fuel injectors (8)
^
Purge Valve
^
Engine Cooling Fan
^
Fuel pump relay
^
Starter Relay
^
EMS Main Relay
^
Viscous Fan Control
^
Generator Control
^
Diagnostic Module Tank Leakage (DMTL) (NAS Only)
^
E box fan
^
FPDM (fuel pump driver module)