PRECAUTION PRECAUTIONS WHEN USING TECHSTREAM (a) After all DTCs are cleared, check if the malfunction occurs again 6 seconds after turning the ignition switch to ON. PRECAUTIONS FOR THE KEY (a) The key is a precision instrument. Be sure to observe the following: (1) Do not drop or strike the key. (2) Do not allow the key to be kept in a high temperature place for a long time. (3) Do not use an ultrasonic washing machine to clean the key. (4) Keep the key away from magnets or magnetized items during use. (5) Do not attach any stickers to the key. PRECAUTION FOR REGISTRATION (a) If replacing any of the following parts, refer to Registration. Click here NOTICE: Any keys or ECUs for which registration has been performed cannot be reused. (1) Key (2) Transponder key ECU assembly (3) ECM |
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 ...