How do you diagnose a bad AC system?

Four Signs Your Car’s AC Compressor Is Going Bad

Odd Sounds. You might hear some strange noises when you flip on your vehicle’s air conditioner and if you do, it’s probably the compressor.
Hot Air. The whole point of turning on your vehicle’s AC is to get cold air to come through the vents.
Fluid Leaks.
Stuck Clutch.

Why is my car air conditioner not blowing cold air?

Air Conditioning Not Working in Your Car? The most common causes of broken air conditioning are leaks or compressor issues. If your air is blowing cool but not cold, the problem could be a clogged filter, cooling fan problem, radiator trouble, or it could simply be that you need to recharge your AC.

How do you know if your Acura has a trouble code?

On all models, turn ignition On and observe red LED on front or top of ECU. The LED will indicate diagnostic trouble codes (DTCs) by number of flashes. In the event of a PGM-FI system malfunction, the Check Engine lamp will light and stay On. When this condition occurs, proceed as follows:

What is the code for an Acura transaxle?

For example, 1 long blink, followed by 4 short blinks equals code 14. Four long blinks followed by five short blinks equals code 45. NOTE: Legend Models: If code 7 or 17 is stored and the S4 light on the transaxle indicator panel is also flashing, it may be necessary to diagnose the automatic transaxle control unit.

Why does my Acura ABS light keep coming on?

Common symptoms that you may notice when there is a problem with the Acura ABS: Wheels may lock and slide when braking. Common problems that trigger the ABS light to stay on: To reset the ABS light on an Acura, you first need to read the codes with an ABS scanner.

What to do if your Acura Dashboard Light does not turn on?

Park your ACURA in a safe area where you can work safely. Locate the diagnostic port under the dashboard. Turn on the ignition. All ACURA dashboard lights should turn on but do not start the engine. If your ACURA has START/STOP button, press it twice without pressing on the brake pedal. Allow your OBD-2 scanner to connect to the vehicle.

How can I read the ABS code on my Acura?

Allow your OBD-2 scanner to connect to the vehicle. This may take a few seconds. Select ACURA from the menu. Next, select the Anti-lock Brake System menu. Using an OBD-II Scanner that can read the ABS, read codes from the ABS module.