Pre-Crash Safety System How To Proceed With Troubleshooting

Vehicle Interior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Pre-Crash Safety. Land Cruiser. Urj200, 202 Grj200 Vdj200

  1. VEHICLE BROUGHT TO WORKSHOP

  2. CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK

  3. INSPECT BATTERY VOLTAGE

  4. INSPECT MILLIMETER WAVE RADAR SENSOR ASSEMBLY (BEAM AXIS MISALIGNMENT READING)*

  5. CHECK CAN COMMUNICATION SYSTEM*

  6. INSPECT WARNING LIGHT

  7. INSPECT MULTI-INFORMATION DISPLAY

  8. CHECK FOR DTC*

  9. PROBLEM SYMPTOMS TABLE

  10. OVERALL ANALYSIS AND TROUBLESHOOTING*

  11. ADJUST, REPAIR OR REPLACE

  12. CONFIRMATION TEST

Pre-Crash Safety System -- How To Proceed With Troubleshooting


HINT:
  1. Use the following procedure to troubleshoot the pre-crash safety system.
  2. *: Use the GTS.


1.VEHICLE BROUGHT TO WORKSHOP

    NEXT


    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.
      		Land Cruiser. Urj200, 202 Grj200 Vdj200
      Land Cruiser. Urj200, 202 Grj200 Vdj200
      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
      		Forward recognition Camera

      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
      		Forward recognition camera
      		Accident history
      		Y / N
      Millimeter wave radar sensor assembly
      		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:
      *: As information regarding the item is important for the investigation, make sure to obtain the item if permission is given by the customer.

    NEXT


    3.INSPECT BATTERY VOLTAGE

    1. Measure the battery voltage with the engine switch off.

      Standard voltage:
      11 to 14 V
      If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.


    		NG.
    CHARGE OR REPLACE BATTERY
    OK


    4.INSPECT MILLIMETER WAVE RADAR SENSOR ASSEMBLY (BEAM AXIS MISALIGNMENT READING)*

    1. Adjust the reflector height (Click here).

    2. Place the reflector (Click here).

    3. Connect the GTS to the DLC3.

    4. Turn the engine switch on (IG).

    5. Turn the GTS on.

    6. Enter the following menus: Body Electrical / Pre-Crash 2 / Utility / Front Beam Axis Misalignment Reading.

    7. Check the amount of misalignment and make a note.

    8. Enter the following menus: Body Electrical / Pre-Crash 2 / Utility / Front Beam Axis Offset Reading.

    9. Check the amount of offset and make a note.


    NEXT


    5.CHECK CAN COMMUNICATION SYSTEM*

    1. Use the GTS to check if the CAN communication system is functioning normally.

      1. for LHD: Click here
      2. for RHD: Click here

      Result:

      DTC Condition
      		Proceed to
      CAN DTC is not output
      		A
      CAN DTC is output (for LHD (w/ Central Gateway ECU))
      		B
      CAN DTC is output (for RHD (w/ Central Gateway ECU))
      		C


    		B.
    GO TO CAN COMMUNICATION SYSTEM (Click here)

    		C.
    GO TO CAN COMMUNICATION SYSTEM (Click here)
    A


    6.INSPECT WARNING LIGHT

    1. Check the condition of the warning lights on the combination meter assembly.

      Result:

      Result
      		Proceed to
      Only the PCS warning light is blinking
      		A
      The PCS warning light is not blinking
      The PCS OFF warning light and other warning lights are illuminated or blinking
      		B


    		B.
    GO TO MALFUNCTIONING SYSTEM
    A


    7.INSPECT MULTI-INFORMATION DISPLAY

    1. Check if a pre-crash safety system warning message is displayed on the multi-information display in the combination meter assembly.

      Result:

      Result
      		Proceed to
      "Pre-crash Safety Malfunction Visit Your Dealer" is displayed
      		A
      "Pre-crash Safety Unavailable", "Pre-crash Safety Unavailable Clean Sensor". "Forward Camera Systems Unavailable Clean Windshield" or "Forward Camera Systems Unavailable" is displayed
      		B
      Warning message is not displayed
      		C


    		B.
    GO TO PROBLEM SYMPTOMS TABLE (Click here)

    		C.
    CHECK CONDITIONS WHEN PRE-CRASH SAFETY SYSTEM DID NOT OPERATE
    A


    8.CHECK FOR DTC*

    1. Check for DTCs (Click here).

      1. Record the DTCs.

    2. Clear the DTCs.

    3. Recheck for DTCs.

      1. Attempt to duplicate the malfunction and check if the DTCs are output again (Click here).

        Result:

        DTC Condition
        		Proceed to
        DTCs are not output
        		A
        DTCs are output
        		B
        No DTCs are output, and malfunction cannot be duplicated or checked
        		C


    		B.
    GO TO DTC CHART (Click here)

    		C.
    GO TO SYMPTOM SIMULATION (Click here)
    A


    9.PROBLEM SYMPTOMS TABLE

    1. Refer to Problem Symptoms Table (Click here).


      2. 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 9
    A


    10.OVERALL ANALYSIS AND TROUBLESHOOTING*

    1. Data List / Active Test (Click here)

    2. Terminals of ECU (Click here)


    NEXT


    11.ADJUST, REPAIR OR REPLACE

      NEXT


      12.CONFIRMATION TEST

        NEXT

        END