Lexus ES: 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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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 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 Electronically Controlled Brake System DTC No. Detection Item Link C00631C Yaw Rate Sensor Circuit Voltage Out of Range C00631F Yaw Rate Sensor Ci
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Components
COMPONENTS
ILLUSTRATION
*1
REAR DIFFERENTIAL FILLER PLUG
*2
REAR DIFFERENTIAL DRAIN PLUG
*3
GASKET
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N*m (kgf*cm, ft.*lbf): Specified torque
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DESCRIPTION The ECM uses signals from the throttle position sensor, mass air flow meter, transmission revolution sensor (NT), transmission revolution sensor (NC) and crankshaft position sensor to help determine the engagement timing of the lock-up clutch. The ECM monitors the engagement of the clutc
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