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Home >> Toyota >> 2020 >> Avalon Limited >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> Electronically Controlled Brake System - Diagnostic Codes (C1336-P0571) (Except Hybrid) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model) >> DTC C146C: Open Circuit in ABS Motor Relay Circuit [04/2018 - 08/2021] >> Caution / Notice / Hint

Caution / Notice / Hint

NOTE:
  • When replacing the skid control ECU (brake actuator assembly), perform system variant learning and acceleration sensor zero point calibration.

    Refer to CALIBRATION [04/2018 - 08/2021]

  • Inspect the fuses for circuits related to this system before performing the following procedure.

HINT: 

When C1241 and/or C1417 is output together with C146C, inspect and repair the trouble areas indicated by C1241 and/or C1417 first.

for C1241: Refer to DTC C1241: Low or High Power Supply Voltage [04/2018 - 08/2020] , or refer to DTC C1241: Low or High Power Supply Voltage [08/2020 - 08/2021]

for C1417: Refer to DTC C1417: IG1 Voltage Supply too High [04/2018 - 08/2020] , or refer to DTC C1417: IG1 Voltage Supply too High [08/2020 - 08/2021] 

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