LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2014 >> Prius Two >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 49 (Engine Control System (Service Information) (Plug-In)) >> Integration Relay >> Inspection [10/2013 - ] >> Inspection [10/2013 - ]
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Inspection [10/2013 - ]

WARNING: This page is about a different variant/trim than selected.
  1. INSPECT NO. 2 INTEGRATION RELAY 
    Fig 1: Identifying No. 2 Integration Relay Wiring Diagram
    GTY223499Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TEXT IN ILLUSTRATION

    *1 No. 2 Integration Relay
    1. IG2 RELAY:
      1. Measure the resistance according to the value(s) in the table below.
        Fig 2: Integration Relay Connector Terminal Identification
        GTY227727Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *1 No. 2 Integration Relay

        Standard Resistance

        Tester Connection Condition Specified Condition
        No. 2 integration relay (1C-1) - No. 2 integration relay (1A-4) Auxiliary battery voltage is not applied between terminals 1A-2 and 1A-3 10 kΩ or higher
        No. 2 integration relay (1C-1) - No. 2 integration relay (1A-4) Auxiliary battery voltage is applied between terminals 1A-2 and 1A-3 Below 1 Ω

        If the resistance is not as specified, replace the No. 2 integration relay.

    2. EFI MAIN RELAY:
      1. Measure the resistance according to the value(s) in the table below.
        Fig 3: Integration Relay Connector Terminal Identification
        GTY227727Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *1 No. 2 Integration Relay

        Standard Resistance

        Tester Connection Condition Specified Condition
        No. 2 integration relay (1C-1) - No. 2 integration relay (1B-4) Auxiliary battery voltage is not applied between terminals 1B-2 and 1B-3 10 kΩ or higher
        No. 2 integration relay (1C-1) - No. 2 integration relay (1B-4) Auxiliary battery voltage is applied between terminals 1B-2 and 1B-3 Below 1 Ω

        If the resistance is not as specified, replace the No. 2 integration relay.

    3. C/OPN RELAY:
      1. Measure the resistance according to the value(s) in the table below.
        Fig 4: Integration Relay Connector Terminal Identification
        GTY227727Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *1 No. 2 Integration Relay

        Standard Resistance

        Tester Connection Condition Specified Condition
        No. 2 integration relay (1B-5) - No. 2 integration relay (1B-8) Auxiliary battery voltage is not applied between terminals 1B-6 and 1B-7 10 kΩ or higher
        No. 2 integration relay (1B-5) - No. 2 integration relay (1B-8) Auxiliary battery voltage is applied between terminals 1B-6 and 1B-7 Below 1 Ω

        If the resistance is not as specified, replace the No. 2 integration relay.

    4. BATT FAN RELAY:
      1. Measure the resistance according to the value(s) in the table below.
        Fig 5: Integration Relay Connector Terminal Identification
        GTY227727Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *1 No. 2 integration Relay

        Standard Resistance

        Tester Connection Condition Specified Condition
        No. 2 integration relay (1C-1) - No. 2 integration relay (1A-8) Auxiliary battery voltage is not applied between terminals 1A-6 and 1A-7 10 kΩ or higher
        No. 2 integration relay (1C-1) - No. 2 integration relay (1A-8) Auxiliary battery voltage is applied between terminals 1A-6 and 1A-7 Below 1 Ω

        If the resistance is not as specified, replace the No. 2 integration relay.

scientia non olet · About LEMON Manuals