Question about 1992 Oldsmobile 88

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Air condition it's not working

A/c compressor it's ok it is charge there is no leaks some told me the problem was with body control module thank you

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Its either the low pressure switch or the relay for the a\c

Posted on Aug 25, 2008

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1 Answer

What would make my air conditioning compressor, body function control module fuse keep blowing


Unplug compressor and other related parts and try the fuse then,,this will tell you which part is the problem.

Dec 04, 2017 | Cars & Trucks

2 Answers

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

So I have a 2007 dodge nitro my ac compressor stopped working, and I had it replaced and recharged after that I got a call from the guy that did the work when he was finished and he told me that the...


The lite blue orange wire grounds the ac clutch relay. The engine computer is supposed to do this IF conditions are right for the ac to function. There could be a problem with one of the freon pressure sensors or the AC control module. If you are not getting a normal level of cold air from the vents, and the mechanical system is functioning correctly, the problem may be the ac control module. There may be blend doors that are not open or closed as they should be.
This is normally beyond most DIY people, so info is not available in over the counter repair books. A shop that knows how to work on electronic ac systems and a shop manual may be needed.

Aug 06, 2013 | 2007 Dodge Nitro R/T New Cars

2 Answers

My 2004 Saturn Vue air conditioner no longer works well when the vehicle is at idle RPM (sitting or driving at low RPM). It doesn't get very cold or seem to pull any humidity out of the air. The freon...


First change the belt driving the compressor. Belt slippage is the number one cause of low cooing at idle or slow speeds (if the charge is OK)

Jan 03, 2018 | 2001 Jaguar S-Type

1 Answer

Body control module\


So the mechanic did all the necessary testing ?

If not then is is only a guess,you change nothing

Common Sense

The idle is not controlled by the body module
as the name implies
Body is windows,sun roof,air conditioning,fan control
radio etc not the motor

Great advice--- right?

Mar 12, 2013 | Mitsubishi Cars & Trucks

1 Answer

2003 Yukon Denali has Service ride Control Warning..wat to do?


Hi Jose:
The first place to start is to have Ride Control Module scanned for trouble codes, this requires a high end scan tool. Most common problem is the air compressor in the rear or a height sensor. Here is how the system works.

Automatic Level Control Description and Operation
The RTD system is bi-state real time damping system. The Suspension Control module controls the suspension damper solenoids and suspension position sensors, along with parts of the automatic level control (ALC) system and electronic variable orifice (EVO) power steering system.

The Automatic Level Control system consists of the following:
• Suspension Control Module
• Compressor/Leveling Module
- Air Pressure Sensor
- Exhaust Solenoid
• Compressor Motor Relay

The objective of the Automatic Level Control System is to provide constant ride height at all load conditions. The Suspension Control module monitors body-to-wheel height, and vehicle speed.

The Suspension Control module will use the rear body-to-wheel displacements and vehicle speed inputs to keep the rear trim height of the vehicle at its desired level.

The electronic suspension control (ESC) system is bi-state real time damping system. The ESC module controls the suspension damper solenoids and suspension position sensors, along with parts of the automatic level control (ALC) system, if 1500 series.

The ESC system consists of the following:
• The ESC module
• The compressor/leveling module, if 1500 series
- The air pressure sensor, if 1500 series
- The exhaust solenoid, if 1500 series
• The compressor motor relay, if 1500 series
• The steering handwheel speed/position sensor
• The suspension damper solenoids
• The suspension position sensors

Hope this helps; also keep in mind that your feedback is important and I'll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using Fixya, and have a nice day.

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2 Answers

A dealership fixed my cooling system. I was told it was an airpocket in the system. Now my ac only blows hot air. They keep putting me on hold and its hot outside. any ideas?


if the low side tube is cold while the compressor is working the problem will be on air door module, or one piece of hose from intake manifold go to recirculation door is dis connected, but if he compressor is not working, there is only two reason, even the refrigerant pressure is too high or too low, if low a leak on your system, if too high overcharge or clogged expansion valve or the condenser, if refrigrant is i the right pressure and compressor is not working, check the supply on main switch, ambient temperature sensor, refrigrant pressure sensor and the high pressure sensor, if all ok,. replace compressor

Aug 05, 2010 | 1989 Ford Crown Victoria

1 Answer

When I turn on the ac it blow out hot air.


Do you hear the air conditioning compressor switch on (with the engine running) when you turn on the air conditioning from inside the car. Get a friend to turn on and off the air conditioning while you listen with the hood open engine running you should hear a clicking sound on and off each time the a/c is cycled on and off or the a/c clutch is not locking up the compressor. This may be due to many things (bad clutch, bad compressor, no power to controls or compressor clutch) but it could be a sign of low charge the system has a low pressure switch which prevents the system from being energized if the system has low refrigerant charge. By protecting itself it prevent catastrophic failure of the compressor and ensuing damage to the rest of the a/c system if the system looses it charge. You will need to have the system checked out by someone experienced in air conditioning work who will attach pressure gauges to your car and see if the refrigerant pressures are OK. The system naturally looses some refrigerant over time but if the system constantly looses charge then it has a leak that must be investigated and repaired before just recharging the system

May 28, 2010 | 2001 Ford Expedition

1 Answer

Toyota echo 2003 air conditioner stoped working.ac button dosn't show power on led.7.5 fuse is ok.what's next?


Ok if your air conditioning system has lost the freon leak and the compressor does not start even if you have well I recommend the fuses check if you have full charge of freon in the system and then wanted another cause. Thanks

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1 Answer

Air ride air comp not comming on new air pump


If everything else is working, the compressor and the air bags are good, and the lines are ok, then you might have a bad leveling switch. That what actually controls the compressor.

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