PRE-COLLISION SYSTEM FREEZE FRAME DATA


  1. DESCRIPTION


    1. When a pre-collision system DTC is stored, the driving support ECU assembly stores the current vehicle (ECU or sensor) state as Freeze Frame Data.

  2. CHECK FREEZE FRAME DATA


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes.


      Body Electrical > Pre-Collision 2 > Trouble Codes

    5. According to the GTS display, select a DTC that stored freeze frame data.

    6. Read the freeze frame data recorded when the DTC was stored.


      Body Electrical > Pre-Collision 2
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Turn Light RH Turn signal switch (right) status ON or OFF

      ON: Turn signal switch (right) on

      OFF: Turn signal switch (right) off

      		 -
      Turn Light LH Turn signal switch (left) status ON or OFF

      ON: Turn signal switch (left) on

      OFF: Turn signal switch (left) off

      		 -
      PCS OFF Switch Pre-collision system on/off status ON or OFF

      ON: Pre-collision system on

      OFF: Pre-collision system off

      		 -
      Pre-Collision Safety Warning Buz Pre-collision system warning buzzer Valid or Inval

      Valid: Pre-collision system warning buzzer operation possible

      Inval: Pre-collision system warning buzzer operation not possible

      		 -
      Pre-Collision Brake Pre-collision braking function Valid or Inval

      Valid: Pre-collision braking operation possible

      Inval: Pre-collision braking operation not possible

      		 -
      PBA Start Pre-collision brake assist activation signal OFF, Standby, Assist Lv1 or Assist Lv2

      OFF: Pre-collision brake assist not operating

      Standby: Brake pedal not depressed during pre-collision brake assist operation

      Assist Lv1: Brake pedal depressed during pre-collision brake assist operation

      Assist Lv2: Brake pedal firmly depressed during pre-collision brake assist operation

      		 Signal status changes when the pre-collision brake assist is activated before a crash (Pre-collision brake will activate only in situations where the driver depresses the brake pedal)
      Warning Brake - - - Not applicable to the vehicle
      Brake Assist Standby - - - This item is displayed on the GTS but is not used.
      Pre-Collision Brake Control Pre-collision braking operational status ON or OFF

      ON: Pre-collision braking operating

      OFF: Pre-collision braking not operating

      		 -
      AVS Start AVS control activation status ON or OFF

      ON: AVS control activated

      OFF: AVS control not activated

      		 -
      VGRS Start - - - Not applicable to the vehicle
      PBA Control Pre-collision brake assist operational status Valid or Invalid

      Valid: Pre-collision brake assist control operation possible

      Invalid: Pre-collision brake assist control operation not possible

      		 -
      Pre-Collision Safety Brake Ind Pre-collision system alarm warning message status ON or OFF

      ON: Displayed

      OFF: Not displayed

      		 "BRAKE!" is displayed
      PCS Collision Alarm Buzzer Skid control buzzer status ON or OFF

      ON: Skid control buzzer sounding

      OFF: Skid control buzzer not sounding

      		 -
      Front Radar-Low Voltage History Millimeter wave radar sensor assembly low voltage history ON or OFF

      ON: History of low voltage

      OFF: No history of low voltage

      		 -
      Front Radar-Incorrect Axial Gap (Vertical) History Millimeter wave radar sensor assembly vertical misalignment history ON or OFF

      ON: History of vertical misalignment

      OFF: No history of vertical misalignment

      		 -
      Front Radar-Incorrect Axial Gap (Horizontal) History Millimeter wave radar sensor assembly horizontal misalignment history ON or OFF

      ON: History of horizontal misalignment

      OFF: No history of horizontal misalignment

      		 -
      Front Recognition Camera-Malfunction History Forward recognition camera system unavailable history ON or OFF

      ON: History of unavailable

      OFF: No history of unavailable

      		 -
      Control Mode ECU control mode status Normal or Check

      Normal: Normal operation

      Check: Operating in Control Mode

      		 -
      PCS Operation State Retention Setting PCS Operation State Retention Setting customize setting ON or OFF

      ON: Customize setting set to ON

      OFF: Customize setting set to OFF

      		 -
      PCS Alarm Activation Distance Retention Setting 1 PCS Alarm Activation Distance Retention Setting 1 customize setting ON or OFF

      ON: Customize setting set to ON

      OFF: Customize setting set to OFF

      		 -
      PCS Alarm Activation Distance Retention Setting 2 PCS Alarm Activation Distance Retention Setting 2 customize setting ON or OFF

      ON: Customize setting set to ON

      OFF: Customize setting set to OFF

      		 -
      PCS Alarm Activation Distance Retention Setting 3 PCS Alarm Activation Distance Retention Setting 3 customize setting ON or OFF

      ON: Customize setting set to ON

      OFF: Customize setting set to OFF

      		 -