Toyota Corolla Cross: 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.
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DTC No.
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Detection Item
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DTC Detection Condition
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Trouble Area
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C052C49
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ABS Pump Motor Control Internal Electronic Failure
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- 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.
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Skid control ECU (brake actuator assembly)
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PROCEDURE
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1.
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REPLACE BRAKE ACTUATOR ASSEMBLY
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END
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READ NEXT:
DESCRIPTION
The master cylinder pressure sensor is connected to the skid
control ECU in the brake actuator assembly.
DTC No.
Detection Item
DTC Detection Conditi
DESCRIPTION
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
C055595
Left Front Wheel Speed Sensor Incorrect Compone
DESCRIPTION
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
C055695
Right Front Wheel Speed Sensor Incorrect Compon
SEE MORE:
PROBLEM SYMPTOMS TABLE
If DTCs are not output but the malfunction persists, use the
following table to determine which circuits to inspect for each problem symptom.
HINT:
Refer to each inspection procedure for related problem symptoms.
Electronically Controlled Brake System
Symptom
VEHICLE CONTROL HISTORY (RoB)
HINT:
The Vehicle Control History stores the history of the reject function and
system protection operations.
The number of occurrences, date and distance are stored in batches for each
item.
CHECK VEHICLE CONTROL HISTORY (CONTINUOUSLY VARIABLE TRANSAX
