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Home >> Toyota >> 2003 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 769 (Automatic Transmission Electronic Controlled (ECT) - A750E/A750F - (1GR-FE) - Diagnostics) >> Diagnosis System >> Check Mil

Check Mil

WARNING: This page is about a different car, the 2005 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check that the MIL illuminates when turning the ignition switch ON.

    If the MIL does not illuminate, there is a problem in the MIL CIRCUIT

  2. When the engine is started, the MIL should turn off.
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