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Home >> Toyota >> 2007 >> Highlander Base, 3.3 P, FWD >> Repair and Diagnosis >> Engine Performance >> Engine Control System (3MZ-FE) (Except Hybrid) >> EFI Relay >> Inspection

EFI Relay: Inspection

  1. INSPECT RELAY (Marking: EFI, A/F) 
    1. Remove the EFI relay from the engine room J/B.
    2. Remove the A/F relay from the engine room R/B No. 2.
    3. Measure the resistance of the relay.
      Fig 1: Inspecting EFI Relay
      G05245845Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Specified Condition
      3 - 5 10 kΩ or higher
      3 - 5 Below 1 Ω (when battery voltage Is applied to terminals 1 and 2)

      If the result is not as specified, replace the relay.