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Home >> Lexus >> 2019 >> GX 460 Base >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Pre-Collision System (Diagnostic Codes & Circuit Tests) >> Pre-Collision System >> DTC C1AA8: Front Camera Module Incorrect Axial Gap; DTC C1AA9: Front Camera Module Beam Axis Not Adjusted [08/2019 - ] >> 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.
  • When replacing the millimeter wave radar sensor assembly, always replace it with a new one.
  • When the millimeter wave radar sensor assembly is replaced with a new one, adjustment of the radar sensor beam axis must be performed.

    Refer to ADJUSTMENT [08/2019 - ]

  • If the forward recognition camera has been replaced with a new one, be sure to perform Forward Recognition Axis Adjustment.

    Refer to ADJUSTMENT (SEQUENTIAL RECOGNITION) [08/2019 - ]

  • The pre-collision system uses the CAN communication system. First, confirm that there are no malfunctions in the CAN communication system. Refer to How to Proceed with Troubleshooting.

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2019 - ]

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