Toyota Corolla Cross: ABS Pump Motor Control Internal Electronic Failure (C052C49)

Toyota Corolla Cross (2022-2025) Service Manual / Brake / Brake Control / Dynamic Control Systems / Electronically Controlled Brake System (for Gasoline Model) / ABS Pump Motor Control Internal Electronic Failure (C052C49)

DESCRIPTION

The ABS motor relay and pump motor are built into the brake actuator assembly.

If the skid control ECU (brake actuator assembly) detects a malfunction in the drive circuit of the pump motor, this DTC is stored.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
C052C49	ABS Pump Motor Control Internal Electronic Failure	The skid control ECU (brake actuator assembly) detects a malfunction in the pump motor circuit. When the system has started, a short to +B is detected during the ABS motor drive circuit self test.	Skid control ECU (brake actuator assembly)

PROCEDURE

1.	REPLACE BRAKE ACTUATOR ASSEMBLY

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System Description

SYSTEM DESCRIPTION LIN COMMUNICATION SYSTEM DESCRIPTION The LIN communication system is used for communication between the components in the tables below. If communication cannot be performed through LIN communication such as when there is an open or short in a communication line, the master c

Installation

INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION) Procedure Part Name Code 1 BRAKE ACTUATOR BRACKET CUSHION 44547B - - - 2 NO. 1 BRAKE

Toyota Corolla Cross: ABS Pump Motor Control Internal Electronic Failure (C052C49)

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