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 > Can Communication System: Check Bus 3 Line for Short to GND
DESCRIPTION There may be a short circuit between one of the CAN bus wires and +B when no resistance exists between terminal 6 (CA3H) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3, or terminal 21 (CA3L) of the central gateway ECU (network gateway ECU) and terminal 4 ...