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Home >> Subaru >> 2022 >> WRX Premium, Standard Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> SUBARU Eyesight System (Driver Assist) (Diagnostics) >> Diagnostics with Phenomenon >> Pre-Collision Braking System >> Pre-Collision Brake Off Indicator Light Does Not Illuminate/Pre-Collision Brake Off Indicator Light Goes Off Automatically

Pre-Collision Brake Off Indicator Light Does Not Illuminate/Pre-Collision Brake Off Indicator Light Goes Off Automatically

  1. CHECK CONDITION OF OCCURRENCE  .

    Interview the customer to check if it occurs when the engine is started.

    Does it occur when starting the engine?

    Yes  : This is normal. (Light illumination for a while and going off after the engine start is normal.)

    No  : Go to  2.

  2. CHECK DATA MONITOR  .
    1. Using the Subaru Select Monitor, check the following items in the [Data Monitor] of [EyeSight]. Ref. to EYESIGHT (DIAGNOSTICS)>DATA MONITOR 
      • Pre-Collision Brake Function
    2. Perform the ON/OFF operation on the "Pre-collision brake ON/OFF" setting screen of the center information display.

    Do the ON/OFF operation of "Pre-collision brake ON/OFF" setting screen and the indication of [Data Monitor] match?

    Yes  : Go to  3.

    No  : Perform the inspection according to the diagnosis for cockpit control system. Ref. to COCKPIT CONTROL (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE

  3. CHECK DATA MONITOR  .
    1. Using the Subaru Select Monitor, check the following items in the [Data Monitor] of [EyeSight]. Ref. to EYESIGHT (DIAGNOSTICS)>DATA MONITOR 
      • Pre-Collision Brake OFF Indicator
      • Pre-Collision Brake Function
    2. Perform the ON/OFF operation on the "Pre-collision brake ON/OFF" setting screen of the center information display.

    Is the indication of [Data Monitor] as shown below?

    When "Pre-collision brake ON/OFF" setting screen is set to OFF: [Pre-Collision Brake OFF Indicator] is [Yes] and [Pre-Collision Brake Function] is [OFF].

    When "Pre-collision brake ON/OFF" setting screen is set to ON: [Pre-Collision Brake OFF Indicator] is [No] and [Pre-Collision Brake Function] is [ON].

    Yes  : Go to  4.

    No  : Replace the stereo camera. Ref. to EYESIGHT>STEREO CAMERA>REMOVAL

  4. CHECK COMBINATION METER  .

    Perform the ON/OFF operation on the "Pre-collision brake ON/OFF" setting screen of the center information display.

    Is the pre-collision brake OFF indicator light of the combination meter as follows?

    When the function is OFF: Illuminate

    When the function is ON: Go off

    Yes  : Currently, it is normal. Finish the diagnosis.

    No  : Perform the inspection according to the diagnosis for combination meter. Ref. to COMBINATION METER (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE