PRE-CRASH SAFETY SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips


  • Use the following procedure to troubleshoot the pre-crash safety system.

  • *: Use the GTS.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

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  2. CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK

    Pre-crash Safety System Customer Problem Analysis Vehicle Brought to Workshop
    Year Month Day
    Dealer name Person in charge at headquarters Telephone number
    Shop name Person in charge at shop
    Frame type Frame No. First Registered Year Total distance traveled

    Customer Concerns

    (Include details)

    		 Does not operate
    Operates abnormally

    Date of malfunction occurrence

    (Since when)

    		 Year Month Day Approx. Time
    Date of last inspection Year Month Day
    Frequency of problem symptoms Once / Occasionally (times per day, times per month) / Every time certain conditions are met ( )
    Weather Sunny / Cloudy / Rain (Heavy/Light) / Snow (Amount of snowfall cm) / Other ( ) Vehicle speed Approximately ( ) km/h
    Place

    Prefecture

    (Attach a map if possible)

    Driving path (where vehicle turned, where driver attempted to drive to, etc.)

    * Describe the conditions immediately after the occurrence in as much detail as possible.

    		 Conditions of Occurrence Diagram
    A004AQKE01

    Surrounding road conditions

    Describe whether there were any billboards, metal objects on the road (manholes), guardrails, pipes, cat's eyes, gate bars, etc.
    Urban area / Suburbs / Highway / Other ( ) Road surface conditions Temperature About °C ( °F)
    Direction of travel Straight / Right turn / Left turn / Right curve / Left curve Snow wall(s) Y / N
    Driving lane Number of lanes on one side (lanes) / ( ) lane(s) from left Backlighting Y / N
    Condition of external area around detection sensor No foreign matter adhesion / Foreign matter adhesion (water, snow, ice, other)

    Additional information about condition of vehicle exterior

    (other than above)
    DTC First Time (when vehicle brought to workshop)
    Second Time (after clearing DTC)
    Status of operation switch Pre-crash safety system cancel switch Far / Medium / Near / OFF VSC OFF switch ON / OFF

    Serial number of main part

    * Fill in when removing, installing or replacing part

    		 Pre-crash safety city sensor
    Describe the items to the right in as much detail as possible. Driver operation Accelerator pedal operated / Brake pedal operated / Steering wheel operated Time elapsed after engine is started Approximately ( ) minutes
    Tire pressure inspection result Front: LH ( ) kPa RH ( ) kPa Standard ( ) kPa
    Rear: LH ( ) kPa RH ( ) kPa Standard ( ) kPa
    Sensor optical axis inspection result Pre-crash safety city sensor Vertical ( ) Horizontal ( )
    History of repairs around radar sensor Y / N Accident history Y / N
    Vehicle modified Y ( ) / N
    Items installed or attached around windshield glass

    Drive recorder* / Radar detector / Navigation unit (genuine/non-genuine) / ETC / Charms or toys / Other:

    *: Since this device holds information valuable to the investigation, make sure to retrieve this device if permission is granted by the customer.
    Result
    Proceed to
    NEXT

    NEXT

  3. INSPECT WARNING LIGHT


    1. Check if any warning lights other than the PCS warning light are illuminated or blinking.

      Result
      Result Proceed to
      Only the PCS warning light is blinking A
      The PCS warning light and other warning lights are illuminated or blinking B

    B

    GO TO MALFUNCTIONING SYSTEM

    A

  4. CHECK FOR DTC*


    1. Clear the DTCs.

      Click here

    2. Check for DTCs.

      Click here

      Result
      Result Proceed to
      DTCs are not output (symptoms can be confirmed or reproduced) A
      DTCs are not output (symptoms cannot be confirmed or reproduced) B
      DTCs are output C

    B

    GO TO STEP 7 Click here

    C

    GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

    A

  5. READ VALUE USING GTS


    1. Read the Data List according to the display on the GTS.

      Click here

      PCS/LDA/RSA/LVN
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      History of Blockage Displays whether there is camera or laser sensor obstruction history ON or OFF

      ON: Pre-crash safety city sensor (camera or laser sensor) obstruction history exists

      OFF: Pre-crash safety city sensor (camera or laser sensor) obstruction history does not exist

      		 -
      History of Low Voltage Displays whether there is low voltage history ON or OFF

      ON: Pre-crash safety city sensor low voltage history exists

      OFF: Pre-crash safety city sensor low voltage history does not exist

      		 -
      History of High Voltage Displays whether there is high voltage history ON or OFF

      ON: Pre-crash safety city sensor high voltage history exists

      OFF: Pre-crash safety city sensor high voltage history does not exist

      		 -

      History of Low

      Temperature

      		 Displays whether there is low temperature history ON or OFF

      ON: Pre-crash safety city sensor low temperature history exists

      OFF: Pre-crash safety city sensor low temperature history does not exist

      		 -

      History of High

      Temperature

      		 Displays whether there is high temperature history ON or OFF

      ON: Pre-crash safety city sensor high temperature history exists

      OFF: Pre-crash safety city sensor high temperature history does not exist

      		 -
      Blockage Status Displays whether there is a camera obstruction malfunction ON or OFF

      ON: Pre-crash safety city sensor (camera) obstructed

      OFF: Pre-crash safety city sensor (camera) not obstructed

      		 -
      Low Voltage Status Displays whether there is a low voltage malfunction ON or OFF

      ON: Pre-crash safety city sensor low voltage malfunction exists

      OFF: Pre-crash safety city sensor low voltage malfunction does not exist

      		 -
      High Voltage Status Displays whether there is a high voltage malfunction ON or OFF

      ON: Pre-crash safety city sensor high voltage malfunction exists

      OFF: Pre-crash safety city sensor high voltage malfunction does not exist

      		 -
      Low Temperature Status Displays whether there is a low temperature malfunction ON or OFF

      ON: Pre-crash safety city sensor low temperature malfunction exists

      OFF: Pre-crash safety city sensor low temperature malfunction does not exist

      		 -
      High Temperature Status Displays whether there is a high temperature malfunction ON or OFF

      ON: Pre-crash safety city sensor high temperature malfunction exists

      OFF: Pre-crash safety city sensor high temperature malfunction does not exist

      		 -
      Lidar Blockage Status Displays whether laser sensor is dirty ON or OFF

      ON: Dirt on pre-crash safety city sensor (laser sensor)

      OFF: No dirt on pre-crash safety city sensor (laser sensor)

      		 -
      Result
      DTC Condition Proceed to
      Malfunction history exists A
      No malfunction history exists B

    B

    GO TO STEP 8 Click here

    A

  6. PROBLEM SYMPTOMS TABLE


    1. Refer to Problem Symptoms Table.

      Click here

      Result
      Result Proceed to
      Fault is not listed in Problem Symptoms Table A
      Fault is listed in Problem Symptoms Table B

    B

    GO TO STEP 8 Click here

    A

  7. OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Terminals of ECU

      Click here

    2. Data List / Active Test

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  8. ADJUST, REPAIR OR REPLACE

    Tech Tips

    Adjustment of the pre-crash safety city sensor is required when the pre-crash safety city sensor is replaced with a new one.


    • Perform adjustment using "ONE TIME RECOGNITION" or "SEQUENTIAL RECOGNITION".


    Result
    Proceed to
    NEXT

    NEXT

  9. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT

    END