FixVault
Home › Lexus › 1992 › SC 300 Automatic › Repair and Diagnosis › Engine Performance › System › Engine Controls - System/Component Tests › Relays › EFI Main Relay

EFI Main Relay

  1. EFI main relay is located in engine compartment. Using an ohmmeter, check for continuity between relay terminals No. 1 and 3. Ensure continuity is not present between terminals No. 2 and 4. If continuity is not as specified, replace relay.
  2. Apply battery voltage between relay terminals No. 1 and 3. Using an ohmmeter, check for continuity between terminals No. 2 and 4. If continuity is not present, replace relay.
About FixVault