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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.

      Resistance

      Fig 1: Measuring Resistance Of Relay
      G04427427Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TESTER CONNECTION AND SPECIFIED CONDITION

      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.

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