Lexus ES: Brake System Control Module "A" System Internal Failure (C059704)
Lexus ES (XZ10) Service Manual / Brake / Brake Control / Dynamic Control Systems / Electronically Controlled Brake System (for Gasoline Model) / 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 store 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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Brake System Control Module "A" Calibration / Parameter Memory Failure (C059746)
DESCRIPTION If the system information stored by the skid control ECU (brake actuator assembly) is corrupted, this DTC is output. DTC No. Detection Item DTC Detection Condition Trouble Area
Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a pa
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Electronically Controlled Brake System DTC No. Detection Item Link C00631C Yaw Rate Sensor Circuit Voltage Out of Range C00631F Yaw Rate Sensor Ci
SEE MORE:
Key information
Keys
Key types
The following keys are provided with
the vehicle.
Electronic keys
Operating the smart access system with
push-button start
Operating the wireless remote control
function
Mechanical keys
Key number plate
■When riding in an aircraft
When bringing an
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspect
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