FixVault

Light Control Sensor: Inspection

WARNING: This page is about a different car, the 2017 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn the ignition switch to ON.
  2. Set the lighting switch to AUTO position.
  3. Measure the voltage between connector terminals.

    Preparation tool: 

    Circuit tester

    Fig 1: Measuring Voltage Between Connector Terminals
    G10270732Courtesy of SUBARU OF AMERICA, INC.
    Terminal No. Inspection conditions Standard
    2 (+) - 1 (-) Measure the voltage when the area around the sensor - automatic light, which was dark, becomes bright. Dark condition: Approx. 0.6 V or less
    Bright condition: Approx. 3 V or more
  4. Replace the sensor - automatic light if the inspection result is not within the standard value.