Engine Control Module (ECM)
The engine control module (ECM) is located in the E-Box on the right-hand (RH) side of the engine compartment at the front.
System engine control module (ECM) has the following inputs:
- restraints control module (RCM)
- Park Neutral position switch
- Ignition coil feedback
- Fuel rail temperature
- Mass air flow/intake air temperature
- Engine speed
- Intake cam position
- Driver demand
- Brake pedal switch
- Generator load
- UHEGO
- HEGO
- Throttle position
- Cooling fan speed
- Ignition switch position
- Knock sensors
- manifold absolute pressure (MAP) sensor
- Coolant temperature
- Engine oil temperature
The engine control module (ECM) outputs to the following:
- Throttle Actuator
- Brake vacuum pump relay
- Ignition coils (x8)
- Oxygen sensor heaters (4)
- Fuel injectors (8)
- exhaust gas recirculation (EGR) valve
- Variable Valve Timing Oil Valves (2)
- Purge valve
- Engine cooling fan
- Fuel pump relay
- Starter relay
- EMS main relay
- Generator control
- Diagnostic Module Tank Leakage (DMTL) (NAS Only)
- E-box fan