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under the hood on the right side facing truck
Look under the exhust manifold.
It Stands for "Toyota Racing Development" it says it on every Toyota truck under the TRD vynal in small letters, its pretty noticable
under neath the truck
look through the driver side tire and if it is not there then it is right under the truck on the same side under the engine
under the hood
it under neath the truck by the rails
Look behind the front wheel from under neath.
The 2003 Toyota Tacoma OBD 2 port is under driver side dash next to center console
Its on the inside of the frame of the truck between the cabin and the bed. it is not on the inside of the frame of the truck between the cab and the bed. it is under the intake manifold on the drivers side of the block.
The OBDII on a Toyota Tacoma 1998 is located on the driver side under the console right above the gas pedal... I should know I own a Tacoma 1998.
Remove the lower bolt from under the truck. Remove the upper bolt by removing the left front wheel and getting to it though the wheel opening. Not easy, I just changed the one on my 2.7 Tacoma last year.