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Terminals Of Ecu

Fig 1: Identifying Integration Relay Connector
G02832995Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. INSPECT INTEGRATION RELAY 
    1. Disconnect the connector and check the continuity of each terminal of the disconnected connector. See Fig 2.
      Fig 2: ECU Terminals Continuity Check
      G02832996Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Reconnect the connector and check each terminal. See TERMINAL WIRING COLOR SPECIFIED CONDITION  table.
    TERMINAL WIRING COLOR SPECIFIED CONDITION

    Symbols (Terminal No.) Wiring color Condition Specified Condition
    ACTD (111-1) --> Body ground R --> Body ground Key in driver's door lock cylinder OFF --> LOCK OV --> 10 - 14 V --> 1 V or less

    If the result is not as specified, the integration relay may malfunction.

  2. INSPECT INSTRUMENT PANEL J/B (INTEGRATION RELAY) 
    Fig 3: Identifying Instrument Panel J/B Integration Relay
    G02832997Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Inspect the DOOR fuse.
    2. Disconnect connectors ID, IF, IH and IJ of the instrument panel J/B.
    3. Check each terminal of the disconnected connectors.
      Fig 4: Continuity Check At Power Door Lock Connector Terminals
      G02832998Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      If the result is not as specified, the vehicle's side may malfunction.

    4. Reconnect the connectors and check each terminal.
      Fig 5: Voltage Check At Power Door Lock Connector Terminals
      G02832999Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      If the result is not as specified, the instrument panel J/B (integration relay) assembly may malfunction.

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