How To Erase Self-Diagnostic Results
By performing this procedure, ECM memory is erased and the following diagnostic information is erased as well.
- Diagnostic Trouble Codes
- 1st trip diagnostic trouble codes
- Freeze Frame Data
- 1st Trip Freeze Frame Data
- System Readiness Test (SRT) codes
- Test values
NOTE:
Also, if a battery terminal is disconnected, ECM memory is erased and the diagnostic information as listed above is erased. (The amount of time required for erasing may vary from a few seconds to several hours.)
- Turn Ignition Switch OFF and wait at least 10 seconds.
- Turn Ignition Switch ON.
- Turn Ignition Switch OFF and wait at least 10 seconds.
- Turn Ignition Switch ON.
- Set ECM in "self-diagnostic results" mode.
- The diagnostic information has been erased from the backup memory in the ECM.
Fully depress the accelerator pedal and keep it depressed for more than 10 seconds.
- Fully release the accelerator pedal, and confirm the DTC 0000 is displayed.