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On-Vehicle Inspection

  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
  2. REMOVE EFI RELAY (Marking: EFI) 
    1. Remove the engine room relay block cover.
    2. Remove the EFI relay from the engine room relay block.
  3. INSPECT EFI RELAY 
    1. Measure the resistance of the EFI relay.

      Standard resistance 

      TESTER CONNECTION - SPECIFIED CONDITIONS

      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)
      Fig 1: Measuring Resistance Of EFI Relay
      G04225772Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

  4. INSTALL EFI RELAY 
  5. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL