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

SOLID STATE RELAY

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) .