Toyota Camry (XV70): Brake System Control Module "A" System Internal Failure (C059704)
Toyota Camry Repair Manual XV70 (2018-2024) / Brake / Brake Control / Dynamic Control Systems / Vehicle Stability Control System (w/o Electric Parking Brake System) / 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 Condition | Trouble Area |
|---|---|---|---|
|
C059704 | Brake System Control Module "A" System Internal Failure |
Internal failure of the skid control ECU (brake actuator assembly). |
Skid control ECU (brake actuator assembly) |
CAUTION / NOTICE / HINT
NOTICE:
After replacing the skid control ECU (brake actuator assembly), perform acceleration sensor zero point calibration and system information memorization.
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PROCEDURE
| 1. |
REPLACE BRAKE ACTUATOR ASSEMBLY |
(a) Replace the skid control ECU (brake actuator assembly).
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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
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DESCRIPTION The skid control ECU (brake actuator assembly) measures the speed of each wheel by receiving signals from each speed sensor.
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Left Front Wheel ABS Hold Solenoid Control Circuit Short to Battery (C12A512,...,C12B049)
DESCRIPTION The ABS solenoid relay and solenoid valves are built into the brake actuator assembly.
The front solenoid valve LH controls the brake fluid pressure of the front wheel cylinder LH of the
SEE MORE:
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Before performing troubleshooting for the road sign assist system, make sure that the pre-collision system and lane tracing assist system are not malfunctioning.
Pre-collision system: Click here
Lane tracing assist system: Click here
Perform the fol
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
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