groves73

ok I started getting error code b1640 component or signal line is open or short. i tried to jump the compressor with direct line from battery and ground to ground. comp would not come one. I took those two items as bad compressor. i found a new denso on bay for $280. Put it on and now the ac is doing what it should. It turns its self down and still maintains temp. I am assuming the internals of the compressor were not turning on. it still had plenty of gas when I replaced the comp. if it fails again I will repost.

groves73

still going strong, no more issues. it was the compressor

secondchance550

This being an old thread, I hope you are still on the forum.
Since you have resolved the issue with a new compressor, what is your N70b1 temp reading at OCP?
Also, are you still getting very low dew point temp reading at multifunction sensor?

groves73

sold the car a while ago but i know the owner and it is till working. I dont recall what those readings were after

secondchance550

Thanks for the reply.
i replaced the thermistor but still OCP N70b1 reads 32.45 Fahrenheit. ACC control, N70b1 reads realistic value - 75 to 82 in current weather. What is interesting is when OCP connector is disconnected, ACC N70b1 reads 32.45.