OPERATION CHECK 1. CHECK SEAT CUSHION CLIMATE CONTROL BLOWER (a) Turn the ignition switch to ON. (b) Set the seat heater switch blower side to level 3 (maximum). (c) Check that the fan motor turns smoothly. 2. CHECK SEATBACK CLIMATE CONTROL BLOWER (a) Turn the ignition switch to ON. (b) Set the seat heater switch blower side to level 3 (maximum). (c) Check that the fan motor turns smoothly. |
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 ...