LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2017 >> RX 450h Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Exterior Lights >> Lighting System (W/ Automatic Headlight Beam Level Control System) (Diagnostic Codes) (2 Of 2) & Circuit Tests) >> Lighting System (W/ Automatic Headlight Beam Level Control System) >> Circuit Tests >> Outside Handle Foot Light Circuit [10/2015 - 08/2019] >> Procedure

Outside Handle Foot Light Circuit [10/2015 - 08/2019]: Procedure

  1. PERFORM ACTIVE TEST USING TECHSTREAM 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Main Body / Active Test.
    5. Perform the Active Test according to the display on the Techstream.

      Body Electrical > Main Body > Active Test 

      Tester Display Measurement Item Control Range Diagnostic Note
      Exterior Light Outside handle foot lights ON/OFF -

      Body Electrical > Main Body > Active Test 

      Tester Display
      Exterior Light

      OK

      Outside handle foot lights illuminate.

      Result

      Result Proceed to
      OK A
      NG (for Front Side) B
      NG (for Rear Side) C

    Result: 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [10/2015 - 12/2017]  , or refer to  PROBLEM SYMPTOMS TABLE [12/2017 - 03/2018]  , or refer to  PROBLEM SYMPTOMS TABLE [03/2018 - 08/2019] 

    Result: 

    See step  6

    Result: 

    See step  2

  2. CHECK FRONT DOOR OUTSIDE HANDLE ASSEMBLY LH POWER SOURCE 
    1. Disconnect the N11 front door outside handle assembly LH connector.
    2. Measure the voltage according to the value (s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      N11-1 (OLP) - Body ground Illumination conditions of outside handle foot lights met* 11 to 14 V
      1. *: Refer to System Description for the illumination conditions of the outside handle foot lights.

        Refer to SYSTEM DESCRIPTION [10/2015 - 08/2019]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  3

  3. INSPECT FRONT DOOR OUTSIDE HANDLE ASSEMBLY LH 
    1. Remove the front door outside handle assembly LH.

      Refer to DISASSEMBLY [10/2015 - 08/2016] , or refer to DISASSEMBLY [08/2016 - 03/2018] , or refer to DISASSEMBLY [03/2018 - 08/2019]

    2. Inspect the front door outside handle assembly LH.

      Refer to INSPECTION [10/2015 - ]

      OK

      Outside handle foot light illuminates.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE FRONT DOOR OUTSIDE HANDLE ASSEMBLY LH. Refer to  DISASSEMBLY [10/2015 - 08/2016]  , or refer to  DISASSEMBLY [08/2016 - 03/2018]  , or refer to  DISASSEMBLY [03/2018 - 08/2019] 

    Result: 

    OK 

    See step  4

  4. INSPECT FRONT DOOR OUTSIDE HANDLE ASSEMBLY RH 
    1. Remove the front door outside handle assembly RH.

      Refer to DISASSEMBLY [10/2015 - 08/2016] , or refer to DISASSEMBLY [08/2016 - 03/2018] , or refer to DISASSEMBLY [03/2018 - 08/2019]

    2. Inspect the front door outside handle assembly RH.

      Refer to INSPECTION [10/2015 - ]

      OK

      Outside handle foot light illuminates.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE FRONT DOOR OUTSIDE HANDLE ASSEMBLY RH. Refer to  DISASSEMBLY [10/2015 - 08/2016]  , or refer to  DISASSEMBLY [08/2016 - 03/2018]  , or refer to  DISASSEMBLY [03/2018 - 08/2019] 

    Result: 

    OK 

    See step  5

  5. CHECK HARNESS AND CONNECTOR (FRONT DOOR OUTSIDE HANDLE ASSEMBLY RH - BODY GROUND) 
    1. Measure the resistance according to the value (s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      M11-3 (GND) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPAIR OR REPLACE HARNESS OR CONNECTOR (FRONT DOOR OUTSIDE HANDLE ASSEMBLY LH - FRONT DOOR OUTSIDE HANDLE ASSEMBLY RH) 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  6. CHECK REAR DOOR OUTSIDE HANDLE ASSEMBLY LH POWER SOURCE 
    1. Disconnect the P4 rear door outside handle assembly LH connector.
    2. Measure the voltage according to the value (s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      P4-1 (OLP) - Body ground Illumination conditions of outside handle foot lights met* 11 to 14 V
      1. *: Refer to System Description for the illumination conditions of the outside handle foot lights.

        Refer to SYSTEM DESCRIPTION [10/2015 - 08/2019]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  7

  7. INSPECT REAR DOOR OUTSIDE HANDLE ASSEMBLY LH 
    1. Remove the rear door outside handle assembly LH.

      Refer to DISASSEMBLY [10/2015 - 08/2016] , or refer to DISASSEMBLY [08/2016 - 03/2018] , or refer to DISASSEMBLY [03/2018 - 08/2019]

    2. Inspect the rear door outside handle assembly LH.

      Refer to INSPECTION [10/2015 - ]

      OK

      Outside handle foot light illuminates.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE REAR DOOR OUTSIDE HANDLE ASSEMBLY LH. Refer to  DISASSEMBLY [10/2015 - 08/2016]  , or refer to  DISASSEMBLY [08/2016 - 03/2018]  , or refer to  DISASSEMBLY [03/2018 - 08/2019] 

    Result: 

    OK 

    See step  8

  8. INSPECT REAR DOOR OUTSIDE HANDLE ASSEMBLY RH 
    1. Remove the rear door outside handle assembly RH.

      Refer to DISASSEMBLY [10/2015 - 08/2016] , or refer to DISASSEMBLY [08/2016 - 03/2018] , or refer to DISASSEMBLY [03/2018 - 08/2019]

    2. Inspect the rear door outside handle assembly RH.

      Refer to INSPECTION [10/2015 - ]

      OK

      Outside handle foot light illuminates.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE REAR DOOR OUTSIDE HANDLE ASSEMBLY RH. Refer to  DISASSEMBLY [10/2015 - 08/2016]  , or refer to  DISASSEMBLY [08/2016 - 03/2018]  , or refer to  DISASSEMBLY [03/2018 - 08/2019] 

    Result: 

    OK 

    See step  9

  9. CHECK HARNESS AND CONNECTOR (REAR DOOR OUTSIDE HANDLE ASSEMBLY RH - BODY GROUND) 
    1. Measure the resistance according to the value (s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      O4-3 (GND) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPAIR OR REPLACE HARNESS OR CONNECTOR (REAR DOOR OUTSIDE HANDLE ASSEMBLY LH - REAR DOOR OUTSIDE HANDLE ASSEMBLY RH) 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR