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Knock Sensor: Testing and Inspection

CIRCUIT DIAGRAM

TROUBLESHOOTING PROCEDURES

HARNESS INSPECTION PROCEDURES

SENSOR INSPECTION
1. Disconnect the knock sensor connector

2. Measure resistance between the terminal 2 and 3.

Standard value: about 5 M Ohms [at 20°(68°F)]

3. If the resistance is continual, replace the knock sensor.

Knock sensor torque: 16 - 25 Nm (11.8 - 18.4 lb ft)