Sportage 2WD L4-2.0L DOHC (1996)
Knock Sensor: Testing and Inspection
Inspection
1. With the knock sensor connector still connected, connect a voltmeter between terminal 3 (YEL/GRN) and ground.
2. Turn the ignition switch ON.
3. Tap the engine crossmember bracket with a wrench.
4. Verify that a voltage spike (less than 1V) is output from the knock sensor.
5. If no voltage spike is observed, replace the knock sensor.