LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2017 >> RX 350 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Exterior Lights >> Lighting System (W/O Automatic Headlight Beam Level Control System) - Diagnostics - Introduction >> LIGHTING SYSTEM (w/o Automatic Headlight Beam Level Control System) >> How To Proceed With Troubleshooting [09/2015 - 08/2019] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

How To Proceed With Troubleshooting [09/2015 - 08/2019]: Procedure

  1. VEHICLE BROUGHT TO WORKSHOP 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  2

  2. CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  3

  3. INSPECT BATTERY VOLTAGE 
    1. Measure the battery voltage.

      Standard Voltage

      11 to 14 V

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

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  4

  4. INSPECT CAN COMMUNICATION SYSTEM* 
    1. Use the Techstream, check if the CAN communication system is functioning normally.

      Refer to DIAGNOSIS SYSTEM [09/2015 - 08/2016] Refer to DIAGNOSIS SYSTEM [08/2016 - 12/2017] Refer to DIAGNOSIS SYSTEM [12/2017 - 08/2019]

      Result

      Result Proceed to
      CAN communication system DTCs are not output A
      CAN communication system DTCs are output B

    Result: 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2015 - ] 

    Result: 

    See step  5

  5. CHECK FOR DTC* 
    1. Check for DTCs.

      Refer to DTC CHECK / CLEAR [09/2015 - 08/2019] 

      Body Electrical > Main Body > Trouble Codes 

      Result

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

    Result: 

    GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [09/2015 - 08/2019]  

    Result: 

    See step  6

  6. PROBLEM SYMPTOMS TABLE 
    1. Refer to Problem Symptoms Table.

      Refer to PROBLEM SYMPTOMS TABLE [09/2015 - 12/2017]  Refer to PROBLEM SYMPTOMS TABLE [12/2017 - 08/2019] 

      Result

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

    Result: 

    GO TO PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [09/2015 - 12/2017]   Refer to  PROBLEM SYMPTOMS TABLE [12/2017 - 08/2019]  

    Result: 

    See step  7

  7. OVERALL ANALYSIS AND TROUBLESHOOTING* 
    1. Data List / Active Test

      Refer to DATA LIST / ACTIVE TEST [09/2015 - 12/2017]  Refer to DATA LIST / ACTIVE TEST [12/2017 - 08/2019] 

    2. Terminals of ECU

      Refer to TERMINALS OF ECU [09/2015 - 08/2019] 

    3. Inspection
    4. On-vehicle Inspection

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  8

  8. ADJUST, REPAIR OR REPLACE 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  9

  9. CONFIRMATION TEST 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    END