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

Toyota Corolla Cross (2022-2026) 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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END

SEE MORE:

VEHICLE CONTROL HISTORY (RoB)

VEHICLE CONTROL HISTORY (RoB) NOTICE: If the vehicle or vehicle controls are operated (for example, during initial inspection when the vehicle is brought in for repair) before vehicle control history (RoB) has been read out and saved, the vehicle control history (RoB) information could be lost.

Reassembly

REASSEMBLY CAUTION / NOTICE / HINT COMPONENTS (REASSEMBLY) Procedure Part Name Code 1 BENCH TYPE REAR SEAT CUSHION COVER 71075B - - 2 BENCH TYPE REAR SEAT CUSHION COVER 71075B - - 3 CHILD RESTRAI

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

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Reassembly