KNOCK SENSOR (KS) INSPECTION [L8, LF, L3]

Note

• Perform the following test only when directed.

Resistance Inspection

1. Turn the ignition switch to LOCK.

2. Disconnect the KS connector.

3. Measure the resistance between the KS terminals A and B using an ohmmeter.

• If not as specified, replace the KS.

• If the KS is okay, but PID value is out of specification, perform the "Circuit Open/Short Inspection".

Approx. 4.87 megohms

Circuit Open/Short Inspection

1. Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION [L8, LF, L3].)

2. Inspect the following wiring harnesses for open or short. (Continuity check)

Open circuit

• If there is no continuity, the circuit is open. Repair or replace the harness.

- KS terminal A and PCM terminal 2U

- KS terminal B and PCM terminal 2V

Short circuit

• If there is continuity, the circuit is shorted. Repair or replace the harness.

- KS terminal A and power supply

- KS terminal A and body GND

- KS terminal B and power supply

- KS terminal B and body GND