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Home >> Toyota >> 2006 >> Sequoia Limited, RWD >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> EFI Relay >> On-Vehicle Inspection

On-Vehicle Inspection

  1. REMOVE RELAY BOX COVER 
  2. REMOVE EFI RELAY 
  3. INSPECT EFI MAIN RELAY CONTINUITY 
    1. Using an ohmmeter, check that there is continuity between terminals 1 and 2.

      If there is no continuity, replace the relay

    2. Check that there is no continuity between terminals 3 and 5.

      If there is continuity, replace the relay.

      Fig 1: Checking EFI Main Relay Continuity Between Terminals 1 And 2
      G04507046Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INSPECT EFI MAIN RELAY OPERATION 
    1. Apply battery voltage across terminals 1 and 2.
    2. Using an ohmmeter, check that there is continuity between terminals 3 and 5.

      If there is no continuity, replace the relay.

  5. REINSTALL EFI MAIN RELAY 
  6. REINSTALL RELAY BOX COVER 
    Fig 2: Checking EFI Main Relay Continuity Between Terminals 3 And 5
    G04507047Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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