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 slip indicator light when operating it using the Techstream.
(a) Enter the following menus: Body Electrical / Combination Meter / Active Test. Click here (b) Perform an Active Test of the combination meter assembly using the Techstream. (c) Check the combination meter assembly. OK: The slip indicator light turns on or off in accordance with the Techstream operation.
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Toyota Tundra Service Manual > Lighting System: Light Sensor Circuit Malfunction (B1244)
DESCRIPTION The automatic light control sensor detects ambient light. The sensor creates an electrical signal based on the amount of light detected, and sends the signal to the main body ECU (multiplex network body ECU). The main body ECU (multiplex network body ECU) turns on or off the headlights a ...