|
Re: AC Compressor only works when jumped.
There is no other sensor- the system has a variable stroke compressor that adjust the refrigerant flow- so no evap sensor needed. A code could have been set when you had it wired wrong- or unplugged- and can only be reset by a scan tool or perhaps a battery unhook- worth a try in my opinion. Sure the pressures are fine on your gages- but what does the computer see? that is what the high side transducer is producing.
A Tech II scan tool will tell you what input is amiss- and whether or not it is commanding the relay and/or relay driver on or off.
If you are friends with a dealership- ask them to let you borrow one for a minute- sure would get you to your answer a lot faster than guessing.
__________________
Automotive A/C Engineer with:
'99 IH 4700 Toy Hauler
(2) '95 GEO Prizms both maroon
'99 GMC Yukon
'95 Chev 3500, 454 Dually Crew Cab- 145k miles-
Wife's Camel trailer puller.
'94 Astro- 370k miles
'94 Firebird Formula- 5.7L 180k miles- gone-
'92 Chevy Lumina Van 3.8L 264k
'86 GMC S-15 - 2.8L 154k
'87 Buick Park Ave . 187k
'86 Buick Park Ave 3.8L 199k miles- gone
'77 Chevy Vega- 2.5L 175k miles gone but not forgotten
'68 Camaro 396 4 spd RS/SS -72k miles-
|