DESCRIPTION The skid control ECU (brake actuator assembly) is connected to the combination meter assembly via CAN communication. CAUTION / NOTICE / HINT NOTICE: When replacing the skid control ECU (brake actuator assembly), perform system variant learning and acceleration sensor zero point calibration. Click here
PROCEDURE
(a) Check if CAN communication system DTCs are output. Click here
(a) Enter the following menus: Chassis / ABS/VSC/TRAC / Active Test. ABS/VSC/TRAC
(b) Check the operating condition of the ABS warning light when operating it using the Techstream.
(a) Enter the following menus: Body Electrical / Combination Meter / Active Test. Click here (b) Perform the Active Test of the combination meter assembly using the Techstream. (c) Check the combination meter assembly. OK: The ABS warning light turns on or off in accordance with the Techstream operation.
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Toyota Tundra Service Manual > Vehicle Stability Control System: Open in Stop Light Switch Circuit (C1425)
DESCRIPTION The skid control ECU (brake actuator assembly) receives stop light switch assembly signals and uses them to determine whether or not the brakes are applied. The skid control ECU (brake actuator assembly) has a detection circuit that it uses to detect an open in the stop light input line. ...
