It cannot be done, you must have a code reader because the system is OBD2, you used to be able to do it without a code reader, but that was OBD1, OBD2 is much more complicated electronics. If you want to get it scanned, you should go to Autozone, they will code scan for free but will not clear codes. You have to pay someone with a code reader to clear the codes, disconnecting the battery doesn't work either
Answering "How can you diagnose a 1998 Honda accord without an OBD scanner?"
You can't. It requires a scanner to read them.
You can't, you must use a scanner.
To retrieve OBD codes from a 1999 Daewoo Nubira, you will need an OBD-II scanner, as this model is equipped with an OBD-II system. Connect the scanner to the OBD-II port, which is typically located under the dashboard near the driver's seat. Turn on the ignition without starting the engine, and follow the scanner's instructions to read the error codes. Make sure to note any codes displayed for further diagnostics or troubleshooting.
To change the odometer from kilometers to miles in a 2007 Pontiac G5, turn the ignition to the "ON" position without starting the engine. Press the gas pedal three times within 5 seconds, and the display should switch from kilometers to miles. If it doesn't, consult the owner's manual for specific instructions or troubleshooting steps.
No obd2 requires a code reader or scanner.
Unlike the older cars with CCC you cannot get trouble codes with your car without the scanner. Often Autozone or Advance will connect your car to a scanner for free, to see if there are codes stored. Remember just because a sensor sets a code, doesn't mean that the sensor is bad, It is in that circuit, so it could be the wiring, plug loosem vacuum lines to the sensor, etc. Good luck.
How could you buy a used car without checking it out first? I'd never rent an aparment without checking it out first. There's a new restaurant in town and I'd love checking it out on Saturday. He removed the book from the library without checking it out.
since 1995 to present, you have to retrieve codes by use of a obd2 scanner.
To read trouble codes on a 1990 Mitsubishi Mighty Max without a scanner, you can use the diagnostic connector under the dash. Connect a jumper wire between terminals A and B of the connector, then turn the ignition key to the "On" position without starting the engine. The check engine light will begin to blink, with a series of long and short flashes indicating the specific trouble codes. Count the blinks to decipher the codes, which can then be referenced in a repair manual for troubleshooting.
Food on a TSA scanner appears as a solid mass without any distinguishable features or details.
I am sorry but you do not without the proper equipment.