Vehicle Identification And Serial Numbers VEHICLE IDENTIFICATION AND SERIAL NUMBERS 1. VEHICLE IDENTIFICATION NUMBER (a) The vehicle identification number is stamped on the vehicle identification number plate and certification label, as shown in the illustrations. (1) Vehicle Identification Number Plate  (2) Certification Label  (3) Frame Number  2. ENGINE SERIAL NUMBER AND TRANSMISSION SERIAL NUMBER (a) The engine serial number is stamped on the cylinder block of the engine and the transmission serial number is stamped on the housing as shown in the illustrations. (1) Engine Serial Number  (2) Transmission Serial Number  |
Toyota Tundra Service Manual > Theft Deterrent System: Horn Circuit
DESCRIPTION When the theft deterrent system is switched from the armed state to the alarm sounding state, the main body ECU (multiplex network body ECU) transmits a signal to cause the horn to sound at intervals of 0.4 seconds. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for cir ...
