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Home >> Lexus >> 2021 >> ES 300h Luxury >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (Hybrid) - Diagnostic Codes (2 Of 5) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC C1247: Stroke Sensor; DTC C1392: Zero Point Calibration of Stroke Sensor undone [06/2018 - ] >> Caution / Notice / Hint

Caution / Notice / Hint

NOTE:

After replacing the skid control ECU (brake booster with master cylinder assembly) or brake pedal stroke sensor assembly, perform linear solenoid valve offset learning, ABS holding solenoid valve learning, yaw rate and acceleration sensor zero point calibration and system information memorization after performing "Reset Memory".

Refer to INITIALIZATION [06/2018 - ]

HINT: 

Check the condition of each related circuit connector before troubleshooting.

Refer to ELECTRONIC CIRCUIT INSPECTION PROCEDURE [06/2018 - ]

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