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Inspection [08/2013 - ]

WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT NO. 1 INTEGRATION RELAY 
    Fig 1: No. 1 Integration Relay Wiring Diagram
    GTY315597Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TEXT IN ILLUSTRATION

    *1 No. 1 Integration Relay - -
    1. EFI MAIN RELAY:
      1. Measure the resistance according to the value(s) in the table below.
        Fig 2: No. 1 Integration Relay Connector Terminals
        GTY322368Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *1 Component without harness connected
        (No. 1 Integration Relay)

        Standard Resistance

        Tester Connection Condition Specified Condition
        1B-1 - 1A-8 Auxiliary battery voltage not applied between terminals 1C-7 and 1E-2 10 kΩ or higher
        1B-1 - 1A-8 Auxiliary battery voltage applied between terminals 1C-7 and 1E-2 Below 1 Ω
        1B-1 - 1C-3
        1B-1 - 1C-4
        1B-1 - 1C-9
        1B-1 - 1C-10

        If the resistance is not as specified, replace the No. 1 integration relay.

    2. EFI MAIN2 RELAY:
      1. Measure the resistance according to the value(s) in the table below.
        Fig 3: No. 1 Integration Relay Connector Terminals
        GTY322368Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *1 Component without harness connected
        (No. 1 Integration Relay)

        Standard Resistance

        Tester Connection Condition Specified Condition
        1A-6 - 1D-1 Auxiliary battery voltage not applied between terminals 1A-8 and 1E-2 10 kΩ or higher
        1A-6 - 1D-1 Auxiliary battery voltage applied between terminals 1A-8 and 1E-2 Below 1 Ω
        1A-7 - 1D-1

        If the resistance is not as specified, replace the No. 1 integration relay.

    3. IG2 RELAY:
      1. Measure the resistance according to the value(s) in the table below.
        Fig 4: No. 1 Integration Relay Connector Terminals
        GTY322368Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *1 Component without harness connected
        (No. 1 Integration Relay)

        Standard Resistance

        Tester Connection Condition Specified Condition
        1A-1 - 1D-3 Auxiliary battery voltage not applied between terminals 1C-8 and 1E-2 10 kΩ or higher
        1A-1 - 1D-3 Auxiliary battery voltage applied between terminals 1C-8 and 1E-2 Below 1 Ω
        1A-3 - 1D-3
        1C-1 - 1D-3
        1C-2 - 1D-3
        1C-5 - 1D-3

        If the resistance is not as specified, replace the No. 1 integration relay.

    4. C/OPN RELAY:
      1. Measure the resistance according to the value(s) in the table below.
        Fig 5: No. 1 Integration Relay Connector Terminals
        GTY322368Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *1 Component without harness connected
        (No. 1 Integration Relay)

        Standard Resistance

        Tester Connection Condition Specified Condition
        1A-6 - 1D-1 Auxiliary battery voltage not applied between terminals 1A-1 and 1E-1 10 kΩ or higher
        1A-6 - 1D-1 Auxiliary battery voltage applied between terminals 1A-1 and 1E-1 Below 1 Ω
        1A-7 - 1D-1

        If the resistance is not as specified, replace the No. 1 integration relay.

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