Engine Control Module (ECM)
The ECM is located in the plenum area on the passenger side of the engine compartment attached to the bulkhead.
The ECM has the following inputs:
- RCM
- Park/neutral switch
- Ignition coil feedback x2
- Fuel rail temperature
- 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
- Coolant temperature
- Engine oil temperature
The ECM 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 Monitoring of Tank Leakage (DMTL) (NAS Only)
- E box fan