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Home >> Lexus >> 2024 >> LX 600 Base >> Repair and Diagnosis >> Body & Frame >> Exterior/Interior Trim >> Front Multi Operation Panel System - Diagnostics - Introduction >> Front Multi Operation Panel System >> Problem Symptoms Table [12/2021 - ] >> Problem Symptoms Table [12/2021 - ]
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Problem Symptoms Table [12/2021 - ]

NOTE:
  • Before checking parts for malfunctions, check that each system operates normally.
  • Determine the problem symptoms, and check the suspected areas.
  • When replacing the integration control and panel assembly, always replace it with a new one. If an integration control and panel assembly which was installed to another vehicle is used, the following may occur:
    • A communication malfunction DTC may be stored.
    • A software switch for an unsupported function is displayed.
FRONT MULTI OPERATION PANEL SYSTEM

Symptom Suspected Area Link
No image is displayed Proceed to "Power Source Circuit" Refer to Power Source Circuit [12/2021 - ]
Integration control and panel assembly Refer to REMOVAL [12/2021 - ]
Screen color is not normal Check image quality settings (check that each setting is set in middle) -
Integration control and panel assembly Refer to REMOVAL [12/2021 - ]
There are large air bubbles in the screen Check that the protective film is not attached to the touch screen -
Integration control and panel assembly Refer to REMOVAL [12/2021 - ]
Touch operation does not work or reaction is poor Confirm that there is no foreign matter on the screen -
Proceed to "Check Touch Switch" in Operation Check Refer to OPERATION CHECK [12/2021 - ] 
Integration control and panel assembly Refer to REMOVAL [12/2021 - ]
Panel switch operations are unresponsive, or response is poor Check for foreign matter on switches -
Proceed to "Check Panel Switch" in Operation Check Refer to OPERATION CHECK [12/2021 - ] 
Integration control and panel assembly Refer to REMOVAL [12/2021 - ]
"Climate control system error. Please contact your dealer." is displayed. CAN communication system Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2021 - ]
Air conditioning system Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2021 - ]
Integration control and panel assembly Refer to REMOVAL [12/2021 - ]
The integration control and panel assembly screen does not dim even if the light is turned on Lighting System (INT) Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2021 - ]
Harness or connector -
Integration control and panel assembly Refer to REMOVAL [12/2021 - ]
The panel switch night illumination switch in the integration control and panel assembly does not illuminate even if the light is turned on Lighting System (INT) Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2021 - ]
Harness or connector -
Integration control and panel assembly Refer to REMOVAL [12/2021 - ]