Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM100000001D2KH |
Model Year Start: 2019 |
Model: GR Corolla |
Prod Date Range: [06/2018 - 09/2022] |
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model with Electric Parking Brake System): C052C49; ABS Pump Motor Control Internal Electronic Failure; 2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022] |
DTC
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C052C49
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ABS Pump Motor Control Internal Electronic Failure
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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.
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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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DTC Detection Conditions: C052C49
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Vehicle Condition
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Pattern 1
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Pattern 2
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Diagnosis Condition
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The system has started.
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-
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○
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Malfunction Status
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The skid control ECU (brake actuator assembly) detects a malfunction in the pump motor circuit.
|
○
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-
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A short to +B is detected during the ABS motor drive circuit self test.
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-
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○
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Detection Time
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-
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-
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Number of Trips
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1 trip
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1 trip
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HINT:
DTC will be output when conditions for either of the patterns in the table above are met.
CAUTION / NOTICE / HINT
NOTICE:
After replacing the skid control ECU (brake actuator assembly), perform acceleration sensor zero point calibration and store system information memorization.
Click here
PROCEDURE
1.
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REPLACE BRAKE ACTUATOR ASSEMBLY
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(a) Replace the skid control ECU (brake actuator assembly).
Click here
NEXT |
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END
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