How to Get Codes From a 1994 Chevy Camaro

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If you want to perform your own repairs on your 1994 Chevrolet Camaro, you will need a way to diagnose the car's problems. The 94 Camaro has an On Board Diagnostic (OBD) system that is designed to give you information to help you locate the source of your car troubles. Obtaining information from the OBD system is a simple task, but it does require an expensive hand-held reader.

Things You'll Need

  • Handheld OBD-I reader
  • 1994 Chevy Camaro owners manual
  • Locate the 12 pin OBD-I reader port under the dashboard on the driver's side, just to the left of the steering column.

  • Plug the OBD-I reader cable into the port. The cable will only fit in one direction, so do not force it into the port if it appears not to fit.

  • Insert the key into the ignition and turn it backward one click.

  • Turn on the OBD-I reader. It will initialize and then scan the Camaro's computer to obtain diagnostic codes. The reader will then display these codes on its screen.

  • Look up the codes in your Camaro owner's manual to diagnose the car's problems.

Tips & Warnings

  • New OBD-I readers sell for about $200 as of 2010, but you can sometimes find deals on these readers on auction sites like Ebay, Bidz and PropertyRoom.
  • The 1994 and 1995 model years represented a crossover from OBD-I to OBD-II systems, so models are not consistent. Some allow you to read the codes by inserting a paper clip between the A and B pins (The two pins farthest to the right on the top row) and counting how many times the "Check Engine" light flashes. This strategy does not work on the 1994 Chevy Camaro.
  • Do not turn the car on before plugging in the OBD-I reader. Doing this creates a risk of damage to the car's computer system.

References

  • "Chevrolet Camaro, Pontiac Firebird 1993-2002 (Haynes Repair Manual);" John Haynes; 2001
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