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Terminals Of Ecu

  1. INSPECT TVIP ECU 
    Fig 1: Identifying TVIP ECU Terminals
    G02833033Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Inspect the ECU-B, DOME and ECU-IG fuses.
    2. Disconnect the TVIP ECU connector. Check continuity and voltage of each terminal of the disconnected connector.

      Standard: 

      Fig 2: TVIP ECU Continuity & Pin Voltage Specifications
      G02833034Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

    3. Reconnect the TVIP ECU connector. Check continuity and voltage of each terminal of the disconnected connector.

      Standard: 

      TVIP ECU VOLTAGE & CONTINUITY CHECK

      Symbols (Terminal No.) Wiring Color Condition Specified Condition
      DMLP (T3-9) <=> E (T3-29) R-W <=> W-B Armed state -> Alarm sounding state Pulse generation
      HEAD (T3-6) <=> E (T3-29) R <=> W-B Light control switch position HEAD -> OFF or TAIL 1 V or less -> 10-14 V
      HAZD (T3-8) <=> E (T3-29) Y-B <=> W-B Armed state -> Alarm sounding state Pulse generation
      IND (T3-25) <=> E (T3-29) R-W <=> W-B Security indicator light lights up. (It lights up only for 30 sec.) 10-14V
      IOUT (T3-11) <=> E (T3-29) L <=> W-B Armed state -> Alarm sounding state (on grass breakage detection) Pulse generation
      HORN (T3-5) <=> E (T3-29) G-Y <=> W-B Armed state -> Alarm sounding state Pulse generation
      E (T3-29) <=> Body ground W-B <=> Body ground Constant Continuity

      If the result is not as specified, the TVIP ECU may malfunction.

  2. INSPECT INTEGRATION RELAY 
    Fig 3: Integration Relay Connector Terminal Identification
    G02833035Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the connector and check the continuity of each terminal of the disconnected connector.
      INTEGRATION RELAY CONTINUITY CHECK

      Symbols (Terminal No.) Wiring color Condition Specified Condition
      PCTY (I11-13) <=> Body ground R-W <=> Body ground Passenger's door fully closed -> Opened No continuity -> Continuity
  3. INSPECT INSTRUMENT PANEL J/B (INTEGRATION RELAY) 
    Fig 4: Identifying Instrument Panel J/B (Integration Relay)
    G02833036Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Inspect the DOOR fuse.
    2. Disconnect the ID connector of the instrument panel J/B, and check the continuity of each terminal of the disconnected connectors.

      Standard: 

      Fig 5: Instrument Panel Junction Block ID Connector Terminal Continuity Check
      G02833037Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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