DSD Information System
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Diagnosis System [09/2020 - 11/2023]

  1. FUNCTION OF WARNING INDICATOR AND MESSAGE 
    1. If the pre-collision system is not functioning properly, the driver is warned by the PCS warning light and a warning message is displayed on the multi-information display.
      PCS Warning Light Warning Message Detail DTC/RoB
      Illuminates "Pre-Collision System Malfunction Visit Your Dealer" Pre-collision system malfunctioning Stored
      Illuminates "Pre-Collision System Unavailable See Owner's Manual" Millimeter wave radar sensor assembly voltage malfunction Stored
      Illuminates "Pre-Collision System Out of Temperature Range Unavailable See Owner's Manual" Millimeter wave radar sensor assembly temperature malfunction Stored
      Illuminates "Pre-Collision System Radar In Self Calibration Unavailable See Owner's Manual" Millimeter wave radar sensor assembly misaligned Stored
      Illuminates "Pre-Collision System Radar Sensor Blocked Unavailable Clean Radar Sensor" Foreign matter attached to millimeter wave radar sensor assembly Stored
      Illuminates "Front Camera Out of Temperature Range Unavailable Wait until Normal Temperature" Forward recognition camera temperature outside of operational range Stored
      Illuminates "Front Camera Unavailable See Owner's Manual"
      • Abnormal forward recognition camera voltage
      • Other forward recognition camera malfunction
      		 Stored
      Illuminates "Front Camera Low Visibility Unavailable See Owner's Manual" Front of forward recognition camera or windshield glass is dirty or fogged Stored
      Illuminates "VSC Turned OFF Pre-Collision Brake System Unavailable" VSC system is disabled Not stored

      HINT: 

      PCS WARNING LIGHT ILLUMINATION STATUS

      PCS Warning Light Condition
      Illuminates Pre-collision system malfunctioning (DTC stored)
      Pre-collision system temporarily disabled
      Pre-collision system disabled
      VSC system disabled
      Not illuminated Other
      GTY779694Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a PCS warning light
  2. INITIAL CHECK 
    1. An initial check is performed when the ignition switch is off for more than 2 seconds and then turned on (IG). The initial check consists of a pre-collision system diagnostic check with a duration of approximately 3 seconds.
    2. If a malfunction is detected during the initial check, the PCS warning light in the combination meter assembly will illuminate and a warning message indicating the pre-collision system is malfunctioning or disabled will be displayed on the multi-information display.
  3. CONSTANT CHECK 
    1. The forward recognition camera constantly monitors the pre-collision system for malfunctions after the ignition switch is turned to ON and the initial check (approximately 3 seconds) has completed.
    2. If a malfunction is detected during the constant check, the PCS warning light in the combination meter assembly will illuminate and a warning message indicating the pre-collision system is malfunctioning or disabled will be displayed on the multi-information display.
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