every single referring to a precise issue detected in the engine.

How Do I Troubleshoot the Diagnostic Lights on a 1999 Volvo S70?

1Park the Volvo and turn the engine off. The diagnostic sequence is not going to initiate with all the engine running.

2Look beneath the driver's side dash for the test hyperlink, or Assembly Hyperlink Diagnostic Hyperlink (ALDL). This can be an electrical port a bit bigger than a smaller box of matches. The ALDL has 12 to 16 open ports and might possess a plastic cover guarding it. Get rid of the cover.

3Connect the test lead finish of an OBD-II scanner towards the ALDL. Turn the scanner on.

4Turn the essential inside the ignition till the dash panel lights up but prior to the engine cranks. A series of concerns will appear on the scanner screen ">Auto diagnostic tools, asking you to determine the make and year of one's car. Answer each of them in turn.

5Select the selection to pull the diagnostic codes. Write down every single one particular so you are able to reference them within your owner's or service manual. There are numerous distinctive diagnostic codes ">Obd2 scanner, every single referring to a precise issue detected in the engine.

6Fix the issue located by the personal computer then retrieve the diagnostic codes once more. Opt for the selection to reset the codes after they seem. This may clear them from the personal computer.

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