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HOMESERVICE MANUALSTOYOTA2009CAMRY HYBRIDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTINTERIOR/ILLUMINATION LIGHTSLIGHTING SYSTEM (HYBRID)AUTOMATIC LIGHT CONTROL SENSORON-VEHICLE INSPECTION
2009 Toyota Camry Hybrid

On-Vehicle Inspection

2009 Toyota Camry HybridSECTION On-Vehicle Inspection
  1. INSPECT AUTOMATIC LIGHT CONTROL SENSOR 
    1. Disconnect the E11 automatic light control sensor connector.
    2. Measure the voltage and resistance according to the value(s) in the table below.
      Fig 1: Identifying E11 Automatic Light Control Sensor Connector
      G05013945Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard voltage 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      E11-6 (CLTB) - E11-3 (CLTE) Power switch off Below 1 V
      Power switch on (IG) 10 to 14 V

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Specified Condition
      E11-3 (CLTE) - Body ground Below 1 Ω

      If the result is not as specified, there may be a malfunction on the wire harness side.

    3. Reconnect the automatic light control sensor connector.
    4. Connect an oscilloscope to the automatic light control sensor connector.
    5. Check the waveform.

    OK 

    TESTER CONNECTION SPECIFIED CONDITION

    Tester Connection Tool Setting Condition Specified Condition
    E11-3 (CLTE) - E11-5 (CLTS) 5 V/DIV., 5 ms./ DIV Power switch on (IG), light control switch in AUTO Correct waveform is as shown
    Fig 2: Waveform Graph
    G05621299Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    HINT:

    If the ambient light becomes brighter, width A becomes narrower.

    If the result is not as specified, replace the automatic light control sensor.

RENDER: 1.0x

NO RELATED

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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.