LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2021 >> LS 500 Base, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Rear Seat Entertainment System - Diagnostic Codes, Circuit & Symptom Tests >> Rear Seat Entertainment System >> DTC B153C: HDMI Disconnected (from RSE to Blu-ray Disc Player) [12/2017 - 10/2022] >> Procedure

DTC B153C: HDMI Disconnected (from RSE to Blu-ray Disc Player) [12/2017 - 10/2022]: Procedure

  1. CLEAR DTC 
    1. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [12/2017 - 10/2022]

      Body Electrical > Navigation System > Clear DTCs 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  2

  2. CHECK FOR DTC 
    1. Check for DTCs.

      Refer to DTC CHECK / CLEAR [12/2017 - 10/2022]

      Body Electrical > Navigation System > Trouble Codes 

      OK

      DTC B153C is not output.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2017 - 09/2018]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2018 - 10/2020]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2020 - 11/2021]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - 10/2022] 

    Result: 

    NG 

    See step  3

  3. CHECK CONNECTION OF CONNECTOR 
    1. Turn the engine switch off.
    2. Check that the connectors are properly connected to the multi-display controller sub-assembly and disc player assembly.

      OK

      Connectors are properly connected.

      Result

      Result Proceed to
      The connectors are properly connected A
      The connectors are not properly connected B

    Result: 

    CONNECT CONNECTORS PROPERLY 

    Result: 

    See step  4

  4. CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY - DISC PLAYER ASSEMBLY) 
    1. Disconnect the L164 multi-display controller sub-assembly connector.
    2. Disconnect the L162 disc player assembly connector.
    3. Measure the resistance according to the value (s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L164-1 (TM2+) - L162-1 (TM2+) Always Below 1 Ω
      L164-2 (TM2G) - L162-2 (TM2G) Always Below 1 Ω
      L164-3 (TM2-) - L162-3 (TM2-) Always Below 1 Ω
      L164-4 (TM1+) - L162-4 (TM1+) Always Below 1 Ω
      L164-5 (TM1G) - L162-5 (TM1G) Always Below 1 Ω
      L164-6 (TM1-) - L162-6 (TM1-) Always Below 1 Ω
      L164-7 (TM0+) - L162-7 (TM0+) Always Below 1 Ω
      L164-8 (TM0G) - L162-8 (TM0G) Always Below 1 Ω
      L164-9 (TM0-) - L162-9 (TM0-) Always Below 1 Ω
      L164-10 (TMC+) - L162-10 (TMC+) Always Below 1 Ω
      L164-11 (TMCG) - L162-11 (TMCG) Always Below 1 Ω
      L164-12 (TMC-) - L162-12 (TMC-) Always Below 1 Ω
      L164-13 (CEC) - L162-13 (CEC) Always Below 1 Ω
      L164-14 (BDP2) - L162-14 (BDP) Always Below 1 Ω
      L164-15 (SCL) - L162-15 (SCL) Always Below 1 Ω
      L164-16 (SDA) - L162-16 (SDA) Always Below 1 Ω
      L164-17 (GND) - L162-17 (GND) Always Below 1 Ω
      L164-18 (5V) - L162-18 (5V) Always Below 1 Ω
      L164-19 (HPD) - L162-19 (HPD) Always Below 1 Ω
      L164-1 (TM2+) - Body ground Always 10 kΩ or higher
      L164-2 (TM2G) - Body ground Always 10 kΩ or higher
      L164-3 (TM2-) - Body ground Always 10 kΩ or higher
      L164-4 (TM1+) - Body ground Always 10 kΩ or higher
      L164-5 (TM1G) - Body ground Always 10 kΩ or higher
      L164-6 (TM1-) - Body ground Always 10 kΩ or higher
      L164-7 (TM0+) - Body ground Always 10 kΩ or higher
      L164-8 (TM0G) - Body ground Always 10 kΩ or higher
      L164-9 (TM0-) - Body ground Always 10 kΩ or higher
      L164-10 (TMC+) - Body ground Always 10 kΩ or higher
      L164-11 (TMCG) - Body ground Always 10 kΩ or higher
      L164-12 (TMC-) - Body ground Always 10 kΩ or higher
      L164-13 (CEC) - Body ground Always 10 kΩ or higher
      L164-14 (BDP2) - Body ground Always 10 kΩ or higher
      L164-15 (SCL) - Body ground Always 10 kΩ or higher
      L164-16 (SDA) - Body ground Always 10 kΩ or higher
      L164-17 (GND) - Body ground Always 10 kΩ or higher
      L164-18 (5V) - Body ground Always 10 kΩ or higher
      L164-19 (HPD) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE HARNESS OR CONNECTOR (HDMI CABLE) 

    Result: 

    OK 

    See step  5

  5. REPLACE DISC PLAYER ASSEMBLY 
    1. Replace the disc player assembly with a new or known good one.

      Refer to REMOVAL [12/2017 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  6

  6. CLEAR DTC 
    1. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [12/2017 - 10/2022]

      Body Electrical > Navigation System > Clear DTCs 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  7

  7. CHECK FOR DTC 
    1. Check for DTCs.

      Refer to DTC CHECK / CLEAR [12/2017 - 10/2022]

      Body Electrical > Navigation System > Trouble Codes 

      OK

      DTC B153C is not output.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END (DISC PLAYER ASSEMBLY IS DEFECTIVE) 

    Result: 

    NG 

    REPLACE MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY. Refer to  REMOVAL [12/2017 - 10/2022]