Confirm 5v supply and wiggle test, if all ok, test ground return to pcm, wiggle test and tighten all grounds point/choke points. If all ok, suspect faulty pcm, but DON"T JUMP THERE YET.
5V supply are the illiterate blue circles
Don't forget to ohm test EACH WIRE YOU TOUCH!! From sensors to pcm pins
All is here for you to make a successful diagnosis and not see this client back unless for a brake job or better service. Customer service is #1. Don"t hold back because you feel dizzy. Regroup and come back strong, you will have a customer for life cuz you did it right the first time.
5V supply are the illiterate blue circles
Don't forget to ohm test EACH WIRE YOU TOUCH!! From sensors to pcm pins
All is here for you to make a successful diagnosis and not see this client back unless for a brake job or better service. Customer service is #1. Don"t hold back because you feel dizzy. Regroup and come back strong, you will have a customer for life cuz you did it right the first time.