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 > Pre-collision System: Stop Light Relay Circuit (C1A4B)
DESCRIPTION The skid control ECU (brake actuator assembly) sends a stop light operation request signal to the stop light relay (stop light switch assembly). If the skid control ECU (brake actuator assembly) detects a malfunction in the stop light relay circuit, the millimeter wave radar sensor assem ...