DESCRIPTION The skid control ECU (brake actuator assembly) stores this DTC if malfunctions are found in a circuit inside the ECU by self diagnosis.
PROCEDURE
(a) Replace the skid control ECU (brake actuator assembly). Click here HINT: This DTC is output when the skid control ECU (brake actuator assembly) detects a malfunction in an internal circuit. (b) Enter the following menus: Chassis / ABS/VSC/TRAC/EPB / Utility / Test Mode. (c) Perform system variant learning and acceleration sensor zero point calibration. Click here
(d) Enter the following menus: Chassis / ABS/VSC/TRAC/EPB / Utility / Signal Check. (e) Perform the sensor check using the Test Mode (Signal Check) procedure. Click here
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Toyota Avalon Service & Repair Manual > Electronically Controlled Brake System(for Gasoline Model): Air Bag Circuit (C147D)
DESCRIPTION The skid control ECU (brake actuator assembly) receives the secondary collision brake control request signal from the airbag sensor assembly. DTC No. Detection Item DTC Detection Condition Trouble Area C147D Air Bag Circuit An abnormal secondary collision brake control request signal is ...