SOLAR SENSOR INSPECTION

PROCEDURE


  1. INSPECT SOLAR SENSOR


    1. Disconnect the automatic light control sensor (solar sensor).

    2. A01MGLLC26
      *a

      Front view of wire harness connector

      (automatic light control sensor (solar sensor))

      Check the voltage

      Measure the voltage and resistance according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      H1-1(CLTB) - H1-2(CLTE) IG ON 11 to 14 V

      Tech Tips

      If the specified condition is not met, replace the vehicle wire harness.

    3. Check the resistance

      Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      H1-2(CLTE) - Body ground Always Below 1 Ω

      Tech Tips

      If the specified condition is not met, replace the vehicle wire harness.

    4. Connect the automatic light control sensor (solar sensor).

    5. A01MJKIC29
      *a

      Component with harness connected

      (automatic light control sensor(solar sensor))

      Check the waveform

      Use the oscilloscope and check the waveform in the terminal spaces.

      Note

      With the connector connected as is, check from the rear side of the connector.

      Standard
      Tester Connection Switch Condition Standard
      H1-4(CLTS) - H1-2(CLTE) IG on (IG), light control switch in AUTO position Correct waveform is as shown

      Tech Tips

      If the specified condition is not met, replace the solar sensor.


      1. A01MGX7N04

        Waveform

        Item Content
        Terminal H1-4(CLTS) - H1-2(CLTE)
        Equipment Setting 2V/DIV.,10ms/DIV.
        Condition IG on (IG), head light dim switch in AUTO position

        Tech Tips

        The communication waveform changes according to the surrounding brightness.