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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 C1A4B: Stop Light Relay Circuit [08/2015 - 08/2019] >> Caution / Notice / Hint
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Caution / Notice / Hint

NOTE:
  • When replacing the master cylinder solenoid, perform calibration (Refer to CALIBRATION [08/2015 - 08/2019] ).
  • Inspect the fuses for circuits related to this system before performing the following inspection procedure.

HINT: 

This circuit uses CAN communication. Therefore, if there are any malfunctions in the communication circuit, one or more DTCs in the CAN communication system are output.