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Diagnosis System

  1. CHECK DLC3 
    1. Check the DLC3 (See HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS ).
  2. CHECK WARNING LIGHT 
    1. When a problem occurs in the power steering system, the PS warning light on the combination meter comes on to inform the driver of the problem.
    Fig 1: Identifying PS Warning Light
    G05389822Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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