Section 569 (Ignition Switch & Key Unlock Warning System): Inspection

2004 Toyota Matrix XR, FWD, StandardSECTION Inspection
WARNING: This page is about a different car, the 2003 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT IGNITION SWITCH CONTINUITY 
    Fig 1: Ignition Switch Continuity Specifications
    G02852085Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    If continuity is not as specified, replace the switch.

    Fig 2: Identifying Ignition Switch Terminals
    G02852086Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSPECT KEY UNLOCK WARNING SWITCH CONTINUITY 
    KEY UNLOCK WARNING SWITCH CONTINUITY SPECIFICATIONS

    Switch Position Tester Connection Specified Condition
    Off (Key Removed) - No Continuity
    ON (Key Set) 1 - 2 Continuity

    If continuity is not as specified, replace the switch.

    Fig 3: Inspecting Key Unlock Warning Switch Continuity
    G02852087Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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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.