INSPECTION PROCEDURE 1. CHECK STEERING ANGLE SENSOR (a) Check the steering angle sensor. Under any of the following conditions, replace the sensor with a new one:
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Toyota Tundra Service Manual > Navigation System: AVC-LAN Circuit
DESCRIPTION Each unit of the navigation system connected to the AVC-LAN (communication bus) transfers the switch signals using the AVC-LAN. If a short to +B or short to ground occurs in the AVC-LAN, the navigation system will not function normally because communication is not possible. WIRING DIAGRA ...