Toyota Camry (XV70): 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 |
| Skid control ECU (brake actuator assembly) |
|
Vehicle Condition | |||
|---|---|---|---|
|
Pattern 1 | Pattern 2 | ||
|
Diagnosis Condition | The system has started. |
- | ○ |
|
Malfunction Status | The skid control ECU (brake actuator assembly) detects a malfunction in the pump motor circuit. |
○ | - |
|
A short to +B is detected during the ABS motor drive circuit self test. |
- | ○ | |
|
Detection Time | - |
- | |
|
Number of Trips | 1 trip |
1 trip | |
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 system information memorization.
Click here .gif)
PROCEDURE
| 1. |
REPLACE BRAKE ACTUATOR ASSEMBLY |
(a) Replace the skid control ECU (brake actuator assembly).
Click here
| NEXT | .gif) | END |
READ NEXT:
Brake Pressure Sensor "A" Circuit Voltage Out of Range (C05401C,C054028,C054049)
DESCRIPTION The master cylinder pressure sensor is connected to the skid control ECU in the brake actuator assembly.
DTC No. Detection Item
DTC Detection Condition Trouble Area
Brake System Control Module "A" System Internal Failure (C059704)
DESCRIPTION The skid control ECU (brake actuator assembly) stores this DTC if malfunctions are found in a circuit inside the ECU by self diagnosis.
DTC No. Detection Item
DTC Detection Co
ECM Communication (C124A00)
DESCRIPTION If the vehicle information stored by the skid control ECU (brake actuator assembly) does not match that sent from the ECM or a new skid control ECU (brake actuator assembly) is installed a
SEE MORE:
Control Module Communication Bus "B" Off Bus Off (U007488,...,U015187)
DESCRIPTION The skid control ECU (brake actuator assembly) communicates with the following ECUs and sensors via CAN communication.
ECM
TCM (ECM)
Yaw rate and acceleration sensor (airbag sensor assembly)
Steering angle sensor
Power steering ECU (rack and pinion power steering gea
RR Speed Sensor Wrong Installation (X0454)
DESCRIPTION
Code Tester Display
Measurement Item Trouble Area
X0454 RR Speed Sensor Wrong Installation
History of rear speed sensor RH being installed incorrectly
Rear Speed Sensor RH PROCEDURE
1.
CHECK FOR DTCs (HEALTH CHECK) (a) Perform the Hea
