LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2017 >> Prius V Two >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Lighting System - (Exterior) - (Diagnostic Codes & Circuit Tests) >> Lighting System >> DTC B124B: Automatic High Beam System [08/2015 - ] >> Procedure

DTC B124B: Automatic High Beam System [08/2015 - ]: Procedure

  1. CHECK FOR DTC (AUTOMATIC HIGH BEAM SYSTEM) 
    1. Clear the DTCs. Refer to DTC CHECK / CLEAR [08/2015 - ] .
    2. Check for DTCs. Refer to DTC CHECK / CLEAR [08/2015 - ] .

      OK

      DTC B124B is not output.

    NG → Refer to   2 

    OK → Refer to   5 

  2. CHECK FOR DTC (LANE DEPARTURE ALERT SYSTEM) 
    1. Check for DTCs. Refer to DTC CHECK / CLEAR [08/2015 - ] .

      Result

      Result Proceed to
      Lane departure alert system DTCs are not output A
      Lane departure alert system DTCs are output B
      CAN communication system DTCs are output C

    B → Refer to   4 

    C → Refer to   6 

    A: Go to next step 

  3. INSPECT LANE DEPARTURE ALERT WARNING 
    1. Check if a lane departure alert system warning message is displayed on the multi-information display.

      OK

      No lane departure alert system warning message are displayed.

    NG → Refer to   8 

    OK → Refer to   7 

  4. GO TO LANE DEPARTURE ALERT SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2015 - ] 
  5. USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - ] 
  6. GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - ] 
  7. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [08/2015 - ] 
  8. REPLACE LANE DEPARTURE WARNING CAMERA. Refer to  REMOVAL [08/2015 - ]