DESCRIPTION This DTC is stored when the skid control ECU (brake actuator assembly) receives a +B line open signal from the steering angle sensor (spiral with sensor cable sub-assembly).
WIRING DIAGRAM  CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following procedure. PROCEDURE
(b) Make sure that there is no looseness at the locking part and the connecting part of the connector. OK: The connector is securely connected. (c) Disconnect the J166 steering angle sensor (spiral with sensor cable sub-assembly) connector. (d) Check both the connector case and the terminals for deformation and corrosion. OK: No deformation or corrosion. (e) Measure the voltage according to the value(s) in the table below. Standard Voltage:
(b) Measure the resistance according to the value(s) in the table below. NOTICE: Before measuring the resistance of the steering angle sensor (spiral with sensor cable sub-assembly), turn the ignition switch off and leave the vehicle for 1 minute or more without operating the key or switches, or opening or closing the doors. Standard Resistance:
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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. ...
