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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END

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Disassembly

DISASSEMBLY CAUTION / NOTICE / HINT COMPONENTS (DISASSEMBLY) Procedure Part Name Code 1 ULTRASONIC SENSOR CLIP 89348D - - 2 REAR CENTER ULTRASONIC SENSOR 89342A - - - 3 REAR CORNER ULTRASONIC SENSOR 89342 -

Driver Seat Belt Pretensioner "A" Deployment Control Circuit Open (B007013)

DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Test Mode / Check Mode B007013 Driver Seat Belt Pretensioner "A" Deployment Control Circuit Open One of the following conditions is met: The airbag ECU assembly det

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

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Disassembly

Driver Seat Belt Pretensioner "A" Deployment Control Circuit Open (B007013)