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Home >> Scion >> 2009 >> tC Automatic >> Repair and Diagnosis >> Engine Performance >> 2AZ-FE Engine Control System >> EFI Relay >> On-Vehicle Inspection

On-Vehicle Inspection

  1. REMOVE EFI RELAY (Marking: EFI) 
    1. Remove the engine room relay block cover.
    2. Remove the EFI relay from the engine room relay block.
  2. INSPECT EFI RELAY 
    1. Measure the EFI relay resistance.

      Standard 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.

      Fig 1: EFI Relay Circuit
      G05183858Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL EFI RELAY 
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