Operation Check

2012 Toyota Prius ThreeSECTION Operation Check
  1. SMART KEY SYSTEM OPERATION INSPECTION 
    1. Check the entry unlock function.
      1. Use the wireless lock operation to lock the doors. With the key outside the vehicle, touch a front door outside handle assembly (touch sensor) and check that the door unlocks.
    2. Check the entry unlock operation detection area.
      1. Step 1: Hold the key at the same height as the door outside handle assembly (approximately 0.8 m (2.62 ft.)). Make sure that the direction of the key is as shown in the illustration.
      2. Step 2: Check that when the key is brought within 0.7 to 1.0 m (2.30 to 3.28 ft.) of the vehicle, the system enters unlock standby mode.
        Fig 1: View Of Key Diagnostic Mode Inspection (Driver Side)
        GTY219666Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        HINT: 

        When the system enters unlock standby mode, the key LED illuminates.

      3. Step 3: After the system enters unlock standby mode, touch the door outside handle assembly (touch sensor) within 3 seconds. Check that the door unlocks.
        Fig 2: Touching Door Outside Handle Assembly (Touch Sensor)
        GTY212428Courtesy of © 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:

  • 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.