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Home >> Geo >> 1994 >> Prizm Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Modules, Relays & Solenoids >> Relays >> EFI F-HTR Relay

EFI F-HTR Relay

  1. EFI F-HTR relay is located in fuse/relay block in left front side of engine compartment, left of air cleaner. Remove EFI F-HTR relay from fuse/relay block. Using ohmmeter, ensure continuity exists between Black/Orange wire and White/Black wire terminals of EFI F-HTR relay.
  2. Apply battery voltage to Black/Orange wire terminal and ground White/Black wire terminal. Continuity should exist between Black/Red wire and Red/White wire terminals of EFI F-HTR relay. Replace EFI F-HTR relay if continuity is not as specified.