Hyundai Accent: Passive Occupant Detection System (PODS-F). Repair procedures
RemovalInspection
1.
Measure the output voltage between the terminal of the wheel speed
sensor and the body ground.
...
Check spark plugs and ignition system
Inspect your spark plugs as described in section 7 and replace them if necessary.
Also check all ignition wiring and components to be sure they are not cracked, worn
or damaged in any way. ...