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Integration Relay: Inspection: Inspection

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  1. INSPECT NO. 1 INTEGRATION RELAY 
    Fig 1: Identifying No. 1 Integration Relay Wiring Diagram
    GTY318719Courtesy 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: Identifying EFI Main Relay Connector Terminal Identification
        GTY317285Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard Resistance

        Tester Connection Condition Specified Condition
        No. 1 integration relay 1B-1 - No. 1 integration relay 1A-8 Battery voltage is not applied between terminals 1C-7 and 1E-2 10 kΩ or higher
        No. 1 integration relay 1B-1 - No. 1 integration relay 1A-8 Battery voltage is applied between terminals 1C-7 and 1E-2 Below 1 Ω
        No. 1 integration relay 1B-1 - No. 1 integration relay 1C-3
        No. 1 integration relay 1B-1 - No. 1 integration relay 1C-4
        No. 1 integration relay 1B-1 - No. 1 integration relay 1C-6
        No. 1 integration relay 1B-1 - No. 1 integration relay 1C-9
        No. 1 integration relay 1B-1 - No. 1 integration relay 1C-10
        TEXT IN ILLUSTRATION

        *1 No. 1 Integration Relay

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

    2. A/F HTR RELAY:
      1. Measure the resistance according to the value(s) in the table below.
        Fig 3: Identifying A/F HTR Relay Connector Terminal Identification
        GTY317285Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard Resistance

        Tester Connection Condition Specified Condition
        No. 1 integration relay 1A-6 - No. 1 integration relay 1D-1 Battery voltage is not applied between terminals 1A-8 and 1E-2 10 kΩ or higher
        No. 1 integration relay 1A-6 - No. 1 integration relay 1D-1 Battery voltage is applied between terminals 1A-8 and 1E-2 Below 1 Ω
        No. 1 integration relay 1A-7 - No. 1 integration relay 1D-1
        TEXT IN ILLUSTRATION

        *1 No. 1 Integration Relay

        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: Identifying IG2 Relay Connector Terminal Identification
        GTY317285Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard Resistance

        Tester Connection Condition Specified Condition
        No. 1 integration relay 1A-1 - No. 1 integration relay 1D-3 Battery voltage is not applied between terminals 1C-8 and 1E-2 10 kΩ or higher
        No. 1 integration relay 1A-1 - No. 1 integration relay 1D-3 Battery voltage is applied between terminals 1C-8 and 1E-2 Below 1 Ω
        No. 1 integration relay 1A-3 - No. 1 integration relay 1D-3
        No. 1 integration relay 1A-5 - No. 1 integration relay 1D-3
        No. 1 integration relay 1C-1 - No. 1 integration relay 1D-3
        No. 1 integration relay 1C-2 - No. 1 integration relay 1D-3
        No. 1 integration relay 1C-5 - No. 1 integration relay 1D-3
        TEXT IN ILLUSTRATION

        *1 No. 1 Integration Relay

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

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