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On-Vehicle Inspection

  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    WARNING:

    Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.

  2. REMOVE FUEL PUMP RELAY (FUEL PUMP) 
    1. Remove the engine room No. 1 relay block cover.
    2. Remove the fuel pump relay from the engine room No. 1 relay block.
  3. INSPECT FUEL PUMP RELAY 
      Fig 1: Identifying Fuel Pump Relay Connector Terminals
      GTY105429Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Measure the resistance of the fuel pump relay.

      Standard resistance

      Tester Condition Specified Condition
      3 - 4 Below 1 Ω
      3 - 4 10 kΩ or higher
      (when battery voltage is applied to terminals 1 and 2)

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

  4. INSTALL FUEL PUMP RELAY 
  5. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
  6. PERFORM INITIALIZATION 
    1. Perform initialization. Refer to INITIALIZATION .
      NOTE:

      Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.

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