DESCRIPTION Troubleshooting for when ABS operates too soon due to a noisy signal from the speed sensor, a difference in output, etc. PROCEDURE
(a) Enter the following menus: Chassis / ABS/VSC/TRAC/EPB / Utility / Signal Check. (b) Using the Techstream, perform a Test Mode (Signal Check) inspection sensor check and check that speed sensor Test Mode (Signal Check) inspection items change from incomplete to complete. Click here OK: Speed sensor Test Mode (Signal Check) inspection items change from incomplete to complete. NOTICE:
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Toyota Tundra Service Manual > Pre-collision System: Brake System Malfunction (C1A50)
DESCRIPTION When the pre-collision system is operating, the millimeter wave radar sensor assembly sends brake control signals to the skid control ECU (brake actuator assembly). If the millimeter wave radar sensor assembly receives a vehicle stability control system malfunction signal from the skid c ...