Knock Sensor (KS)
NOTE:
Santa Fe 2.4L, Sonata 2.4L and Tiburon 2.0L knock sensor specifications are not available from manufacturer.
- Ensure sensor is properly mounted. Knock sensor mounting bolt should be tightened to 11-18 ft. lbs. (16-25 N.m). Disconnect knock sensor connector. On Accent, Elantra, Santa Fe 3.5L and XG350, measure resistance and capacitance between knock sensor connector terminals. On Santa Fe 2.7L, Sonata 2.7L and Tiburon 2.7L engines, measure resistance and capacitance between knock sensor connector terminals No. 2 and 3.
- On Tiburon 2.0L, measure resistance and capacitance between knock sensor connector terminals No. 1 and 2. See ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article in ELECTRICAL. Compare with expected values. See KNOCK SENSOR SPECIFICATIONS table.
KNOCK SENSOR SPECIFICATIONS
| Temperature °F (°C) | Resistance - Ohms | Capacitance - pF |
|---|---|---|
| 68 (20) | 5,000,000 | 800-1600 |