2005 Toyota Matrix XR, FWD, StandardFACTORY OEM SERVICE PROCEDURE

Terminals Of Ecu

  1. INSPECT TVIP ECU 
    Fig 1: Identifying TVIP ECU Terminal Connector
    G02677903Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the T3 ECU connector.
    2. Measure the resistance and voltage of the connector.

      Standard: 

      Fig 2: Identifying Wiring Color Condition Chart (1 Of 2)
      G02677904Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      If the result is not as specified, there may be a malfunction on the wire harness side.

      1. Reconnect the T3 ECU connector. Measure the resistance of the terminals.
      2. Measure the resistance and voltage of connectors.

    Standard: 

    Fig 3: Identifying Wiring Color Condition Chart (2 Of 2)
    G02677905Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

  2. INSPECT INTEGRATION RELAY 
    Fig 4: Identifying Integration Relay Connector
    G02677906Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the 112 relay connector.
    2. Measure the resistance of the connector.
    Fig 5: Identifying Wiring Color Condition Chart
    G02677907Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    If the result is not as specified, there may be a malfunction on the wire harness side.

  3. INSPECT INSTRUMENT PANEL J/B (INTEGRATION RELAY) 
    Fig 6: Identifying Instrument Panel J/B Terminal Connector
    G02677908Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the ID J/B connector of the instrument panel J/B.
    2. Measure the resistance of the wire harness side connector.

    Standard: 

    Fig 7: Identifying Wiring Color Condition Chart
    G02677909Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    If the result is not as specified, there may be a malfunction on the wire harness side.

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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