1990 Honda Accord speed sensor. on 1990 Honda Accord

How do I test/check speed sensor on 1990 Honda Accord.

Asked by for the 1990 Honda Accord
You check it with an ohm meter or HZ meter-it is not uncommon for the speed sensor to go bad-usually speedo jumps around and auto trans shifts irratic-Buy one from the dealer-aftermarket one is not of good quality-good luck
Thank you for your reply, I just need to know the procedure for using the ohm meter and what readings should be there?