Operation CHARM: Car repair manuals for everyone.

Clearing Diagnostic Trouble Codes





1. After repairs, connect the NGS to the data link connector-2.
2. Select "CLEAR" function and erase diagnostic trouble codes from the PCM memory.
3. Carry out OBD II drive cycle procedure twice. (Refer to below.)
4. Start the engine.
5. Perform diagnostic trouble code inspection again and verify that no diagnostic trouble codes are displayed.