Lane Departure Alert System How To Proceed With Troubleshooting

Engine Hybrid System. Land Cruiser. Urj200, 202 Grj200 Vdj200
Cruise Control. Land Cruiser. Urj200, 202 Grj200 Vdj200

  1. VEHICLE BROUGHT TO WORKSHOP

  2. INSPECT BATTERY VOLTAGE

  3. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

  4. CHECK FOR DTCs*

  5. PROBLEM SYMPTOMS TABLE

  6. OVERALL ANALYSIS AND TROUBLESHOOTING*

  7. ADJUST, REPAIR OR REPLACE

  8. CONFIRMATION TEST

Lane Departure Alert System -- How To Proceed With Troubleshooting


HINT:
  1. Use these procedures to troubleshoot the lane departure alert system.
  2. *: Use the GTS.


1.VEHICLE BROUGHT TO WORKSHOP

    NEXT


    2.INSPECT BATTERY VOLTAGE

    1. Measure the battery voltage.

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

    NEXT


    3.CHECK COMMUNICATION FUNCTION OF 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
      Result
      		Proceed to
      CAN DTC is not output
      		A
      CAN DTC is output (for LHD)
      		B
      CAN DTC is output (for RHD)
      		C


    		B.
    GO TO CAN COMMUNICATION SYSTEM (Click here)

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


    4.CHECK FOR DTCs*
      Refer to DTC Check / Clear (Click here).

    1. Check for DTCs and note any codes that are output.

    2. Clear the DTCs.

    3. Recheck for DTCs. Based on the DTCs output in the first step, try to reproduce the lane departure alert system DTCs by simulating the conditions indicated by the DTCs.

      Result
      Result
      		Proceed to
      DTCs are not output
      		A
      DTCs are output
      		B



    		B.
    GO TO DTC CHART (Click here)
    A


    5.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
    A


    6.OVERALL ANALYSIS AND TROUBLESHOOTING*

    1. Terminals of ECU (Click here)

    2. Data List / Active Test (Click here)


    NEXT


    7.ADJUST, REPAIR OR REPLACE
      NOTICE:
      When the forward recognition camera is replaced with a new one, adjustment of the forward recognition camera optical axis must be performed (Click here).

    NEXT


    8.CONFIRMATION TEST

      NEXT

      END