Ignition Timing
Check ignition timing with M/T in Neutral or A/T in Neutral or Park, and accessories off. Install Honda Diagnostic System (HDS) tool to 16-pin data link connector before checking timing. Ensure idle speed and ignition timing are set to 8-12° BTDC (Red mark) at 680-780 RPM. For timing mark identification, refer to illustration. See Fig 1.