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How to Read the Codes on a 1989 Toyota 22RE

You can read the codes on a 1989 Toyota 22RE using an OBD I code reader. An On-Board Diagnostics computer monitors all the functions of the Toyota. It illuminates a warning or service light on the instrument panel when it receives trouble codes from sensors positioned throughout the vehicle, This OBD I code reader is used to retrieve these codes. It is also used to reset the computer after repairs are made to the Toyota.

Instructions

1

Plug the OBD I code reader into the diagnostic port on the driver-side dashboard near the steering column. Dont force it in or you may bend the pins inside.

2

Put the key into the ignition and turn it to the "II" position. This will power most code readers. If not, look for an "on/off" switch on the code reader. Turn it on. Wait while the OBD I code reader retrieves the codes.

3

Write down the codes on a piece of paper. Look up the codes in the code readers manual to determine their meaning.