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Home >> Lexus >> 2015 >> NX 200t Base, AWD >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Pre-Collision System - Diagnostic Codes & Circuit Tests >> Pre-Collision System >> DTC C1A4B: Stop Light Relay Circuit [09/2017 - 05/2019] >> Caution / Notice / Hint
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Caution / Notice / Hint

NOTE:
  • Inspect the fuses for circuits related to this system before performing the following procedure.
  • When replacing the skid control ECU (brake actuator assembly), perform zero point calibration and store system information.

    Refer to CALIBRATION [10/2014 - 05/2019]

  • Before replacing the certification ECU (smart key ECU assembly), refer to Service Bulletin.