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 (XX50) 2019-2022 Service & Repair Manual > Lin Communication System(for Gasoline Model): Terminals Of Ecu
TERMINALS OF ECU CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (a) Disconnect the MB main body ECU (multiplex network body ECU) connector. Click here (b) Measure the voltage and resistance according to the value(s) in the table below. HINT: Measure the ...