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In need of a air conditioning circuit diagram. compressor will not turn on.

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Without a make and model of what you are working on we cannot help ya much.
I am guessing you have already checked the Freon? I just had to add a can to mine and it started right up. If you have put in a can or two already and it does not start up, time for an expert..lol.. not me for sure on AC units. Need some work on some myself. Just answering from what little I know about it. Good Luck.

Posted on Apr 20, 2015

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Posted on Jan 02, 2017

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2003 Cadillac coupe DeVille . Diagnostic code RIM C0655. Where do I start?


DTC C0655
Level Control Compressor Relay Malfunction .
You start by doing the diagnostic tests for that code .
Circuit Description
The automatic level control adjusts the vehicle suspension ride height. The RIM determines the height of the vehicle based on the voltage from the automatic level control sensor. The RIM grounds the compressor relay and the exhaust control solenoid to raise and lower the vehicle in order to keep the vehicle level.

Diagnostic Aids
• Inspect all wiring harnesses carefully for chaffs and proper routing. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
• This circuit is monitored before every functional operation of the compressor relay output. If a compressor relay fault is detected, the RIM retries the output every 15 seconds to try to recover from the fault.

Your probably not going to be able to do the factory diagnostics unless you have a factory scan tool to turn on an off the relay . You can test with a volt meter at the relay for B+ voltage and control from the RIM - Rear Integration Body Control Module. Do you know what a relay is and how it works ?

2
Install a scan tool.
Turn ON the ignition, with the engine OFF.
With a scan tool, command the level control compressor relay ON and OFF.
Does the level control compressor relay turn ON and OFF with each command?
--
YES Go to Diagnostic Aids
NO Go to Step 3
3
Turn OFF the ignition.
Disconnect the level control compressor relay .
Turn ON the ignition, with the engine OFF.
Probe the coil side feed circuit of the level control compressor relay with a test lamp that is connected to a good ground.
Does the test lamp illuminate?
--
YES Go to Step 4
NO Go to Step 10
4
Connect a test lamp between the control circuit of the level control relay and the coil side feed circuit of the level control compressor relay.
With a scan tool, command the level control compressor relay ON and OFF .
Does the test lamp turn ON and OFF with each command?
--
YES Go to Step 8
NO Go to Step 5
5
Does the test lamp remain illuminated with each command?
--
YES Go to Step 7
NO Go to Step 6
6
Test the control circuit of the level control compressor relay for a short to voltage or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
--
YES Go to Step 13
NO Go to Step 9
7
Test the control circuit of the level control compressor relay for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
--
YES Go to Step 13
NO Go to Step 9
8
Inspect for poor connections at the level control compressor relay . Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
--
YES Go to Step 13
NO Go to Step 11
9
Inspect for poor connections at the harness connector of the RIM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
--
YES Go to Step 13
NO Go to Step 12

10
Repair the coil side feed circuit of the level control compressor relay . Refer to Wiring Repairs in Wiring Systems.
Did you complete the repair?
--
YES Go to Step 13
--
11
Replace the level control compressor relay.
Did you complete the replacement?
--
YES Go to Step 13
--
12
Replace the RIM. Refer to Rear Integration Body Control Module Replacement in Body Control System.
Did you complete the replacement?
--
YES Go to Step 13
--
13
Use the scan tool in order to clear the DTCs .
Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text.
Does the DTC reset?
--
Go to Step 2
System OK

Aug 04, 2017 | Cadillac Cars & Trucks

1 Answer

I WOULD LIKE A WIRING DIAGRAM FOR A VDJ76R LANDCRUISER AIR CONDITIONING CIRCUIT, NO POWER TO COMPRESSOR, IF POWERED UP A/C WORKS FINE.


by passing the pressure switches to check the compressor reveals nothing. There are 2 pressure switches in he system
one is for low pressure --when the gas is too low and the other is for when the pressure is too high--blockage in the system or condenser fan not working if the system is a climate control unit then check the control module for correct operatyion

Feb 18, 2015 | Cars & Trucks

1 Answer

Air conditioning problems


First check that all electrical connections to/from your air conditioning components are tight and secure with no broken or chaffed wires and connectors, or oil swollen connection points. Then check that all fuses and relays involved in the operation of your air conditioning system are operational. If all is good, then remove the belt around the air conditioner compressor pulley. Get a wrench and try to turn the front of the compressor pulley. It should turn with little to no resistance. If it wont move or is very hard to turn, it is probably locked up and needs repair or replacement. If it moves, then the compressor part is OK, but your clutch would likely need replacement. Some model cars its cheaper to just replace the whole compressor than to rebuild the clutch. Jaguar sounds expensive - I would seek out a junk yard. Good luck.

Apr 20, 2014 | 2001 Jaguar S-Type

1 Answer

Engine quits when ac turned on compressor unplugged


Knowing make model and year would help. Most newer vehicles, 2000 and newer, will adjust the idle control up to compensate for the compressor engaging. Possible there is an issue in the idle air control valve or electrical circuit.

Mar 14, 2017 | 2003 Ford Focus

1 Answer

My air conditioning won't work on my 2001 Oldsmobile Aurora


There is a relay and a low pressure switch as well as a controller in the circuit.
You would need to backtrack from the compressor clutch to check for voltage in the circuit. You may need a shop manual to get the necessary wiring diagrams.

Sep 23, 2012 | 2001 Oldsmobile Aurora

1 Answer

I have a 2001 Cavalier Coupe, I am having problems with the air condition. Freon was added, that evening the air condition started to work. The next day, I turned on the air condition, no cold air. I was...


There is a power distrobution box under the hood containing relays and a few heavy duty fuses.
I'd take the cover off and find the A/C relay usually depicted in the diagram inside the cover.
Start the car, turn the A/C switch on and then under hood at A/C relay give it a light tap with the handle of a screwdriver to see if compressor clutch on compressor "kicks on".
Relay can even be pulled out and put back in to make a better connection.
I'm betting the problem is that relay...or dirty contacts.

Hope this helps...

Aug 07, 2011 | 2001 Chevrolet Cavalier

1 Answer

.much@yahoo.comWhere is the air conditioning


Here is a copy of the serpentine diagram for your car. If you look at the second diagram it shows the location of the air conditioning compressor. The compressor will have to be one of the wheels for the serpentine belt. Not sure which engine you have. Here are the diagrams. Hope this helps.
http://www.2carpros.com/diagrams/chevrolet/beretta/1993

Aug 04, 2011 | 1993 Chevrolet Beretta

1 Answer

10 amp fuse blown, air compressor will not run.


whats the fuse for. if it operate the air conditioning system on the engine fuse box ur compressor clutch is burnt. if its the fuse inside the car it o\powers the hvac controls. put a new fuse on unplug ur compressor clutch connector and turn the engine on switch your air conditioning and heating controls on and off see if it blows the fuse again if it does then u have a problem with ur inside wiring circuit or heating ventilation air conditioning controls. good luck.

Feb 20, 2011 | 2005 Hyundai Sonata

1 Answer

Rear suspension compressor turns on when without ignition


The compressor turns on when the height level switch closes. This is most likely occuring because the air bags are leaking air.

Nov 14, 2009 | 1992 Buick Park Avenue

1 Answer

Air conditioning electrical diagram for 2004 kia sedona


I also have a 2004 Kia sedona with approx. 80,000 miles on it. The air conditing system stopped blowing cool air into the car. The fan would work, but would not blow cool air. After doing a lot of research. After trying to find a car repair manual or diagrams for the Kia Sedona with no luck. We ended up taking it to our machanic. He then replaced the compressor and it is working fine now. I now know that this is common for the compressor to go out on this van.

Danny

Jul 02, 2008 | 2004 Kia Sedona

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