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Knock Sensor: Testing and Inspection

INSPECTION

1. REMOVE THROTTLE BODY COVER
2. REMOVE INTAKE AIR CONNECTOR
3. REMOVE INTAKE MANIFOLDS ASSEMBLY
4. INSPECT KNOCK SENSORS 1 AND 2




a. Disconnect the knock sensor connectors.
b. Using an ohmmeter, measure the resistance between terminals.

Resistance: 120 to 280 kOhm at 20 °C (68 °F)

HINT: If the resistance is not as specified, replace the sensor.

5. REMOVE KNOCK SENSOR




a. Disconnect the 2 knock sensor connectors.
b. Remove the 2 nuts and 2 knock sensors.

6. INSTALL KNOCK SENSOR




a. Install the 2 knock sensors with the 2 nuts as shown in the illustration.

Torque: 20 Nm (204 kgf.cm, 15 ft.lbf)

b. Connect the 2 knock sensor connectors.

7. INSTALL INTAKE MANIFOLD ASSEMBLY
8. INSTALL INTAKE AIR CONNECTOR
9. INSTALL THROTTLE BODY COVER