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 Hv Model): Open in Stop Switch Circuit (C1425,P0573)
DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) detects the brake operating conditions through a signal transmitted by the stop light switch assembly. The skid control ECU incorporates a circuit to detect an open circuit. This DTC is output when an open circuit is dete ...
