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Home >> Lexus >> 2019 >> NX 300 Base, AWD >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Pre-Collision System - Diagnostic Codes & Circuit Tests >> Pre-Collision System >> DTC C1AA9: Front Camera Module Beam Axis Not Adjusted [09/2017 - 05/2019] >> Caution / Notice / Hint
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Caution / Notice / Hint

NOTE:
  • When replacing the driving support ECU assembly, always replace it with a new one. If a driving support ECU assembly which was installed to another vehicle is used, the information stored in the driving support ECU assembly will not match the information from the vehicle. As a result, a DTC may be stored.
  • The pre-collision system uses the CAN communication system. First, confirm that there are no malfunction in the CAN communication system. Refer to How to Proceed with Troubleshooting.

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2017 - 05/2019]

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