On-Vehicle Inspection

2004 Toyota Matrix XR, FWD, StandardSECTION On-Vehicle Inspection
WARNING: This page is about a different car, the 2004 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT INVERTERΒ 
    NOTE: Wear insulating gloves.

    HINT:

    Check DTCs before performing the inspections of the converter and inverter, and perform the appropriate troubleshooting.

    1. Turn the power switch OFF.
    2. Remove the service plug grip (see SERVICE PLUG GRIP ).
    3. Remove the inverter cover (see W/CONVERTER INVERTER ASSY ).
    4. Disconnect the connectors A and B shown in the illustration.
    5. Turn the power switch ON (IG).

      If turning the power switch ON (IG) with the service plug grip removed, the DTC of the inter lock switch system will be output.

    6. Using a voltmeter, measure the voltage. Also, using an ohmmeter, measure the resistance.
      Fig 1: Locating A, B, C Connectors
      G02920875Courtesy of Β© TOYOTA, LICENSE AGREEMENT TMS1002
RENDER: 1.0x

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When to See a Mechanic

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

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