LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2022 >> RX 350 Base, AWD >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Pre-Collision System - Diagnostic Codes & Circuit Tests >> Pre-Collision System >> DTC U023A: Lost Communication with Front Camera Module [09/2015 - 08/2019] >> Caution / Notice / Hint
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Caution / Notice / Hint

NOTE:
  • Inspect the fuses for circuits related to this system before performing the following inspection procedure.
  • Before measuring the resistance of the CAN bus, turn the engine switch off and leave the vehicle for 1 minute or more without operating the key or any switches, or opening or closing the doors. After that, disconnect the cable from the negative (-) battery terminal and leave the vehicle for 1 minute or more before measuring the resistance.
  • After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

    Refer to PRECAUTION [09/2015 - 12/2017] , or refer to PRECAUTION [12/2017 - 08/2019]

  • When replacing the forward recognition camera, always replace it with a new one. If a forward recognition camera which was installed to another vehicle is used, the information stored in the forward recognition camera will not match the information from the vehicle. As a result, a DTC may be stored.
  • If the forward recognition camera has been replaced with a new one, be sure to perform Forward Recognition Camera Learning.

    Refer to ADJUSTMENT [09/2015 - 08/2019]

HINT: