Your Vehicle: 2001 Ford Escort ZX2 L4-2.0L DOHC VIN 3
Vehicle » Powertrain Management » Relays and Modules - Powertrain Management » Relays and Modules - Emission Control Systems » Air Injection Pump Relay » Description and Operation  
  Description and Operation  


Solid State Relay

The solid state relay (Figure 124) switches the high current required for operation of the electric AIR pump. Input control to the solid state relay comes from the Powertrain Control Module (PCM) .