How to Reset the Service Engine Light on a Chevy Lumina OBD: 1990-1994 Chevy Lumina1Open the hood of your Lumina.2Locate the negative battery terminal on the battery. This has a black wire and is identified by a negative " diagnostics car tool;-" stamped on the battery housing.3Disconnect the negative battery terminal employing a box-end wrench and isolate it so it doesn't come back into speak to together with the unfavorable battery post.
4Leave the unfavorable battery terminal disconnected for 10 to 15 minutes.5Reconnect the unfavorable battery terminal and recheck the service-engine-soon light by starting the automobile.OBD II: 1995-2001 Lumina6Locate the diagnostic link connector (DLC) beneath the driver's side dashboard.7Plug the OBD II code reader and reset tool into the DLC. The battery in the Lumina will power the tool, so no on or off button is necessary.8Use the OBD II tool buttons and screen to scroll through the choices. Whilst there are actually different tools with varying buttons Auto diagnostic tool, operating the tool is fairly standardized.
Most employ up and down scroll buttons to choose distinctive possibilities displayed on the screen. Use the buttons to scroll to "Erase Codes."9Press the "Enter" or "Send" crucial on the tool. The display will inform you that it can be sending the information towards the computer. Wait till "Command Sent" or the default screen appears on the screen display of your tool.10Start the Lumina and examine to make certain the service-engine light is out. Unplug the tool from the DLC.
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