mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

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Knock Sensor: Testing and Inspection

KNOCK SENSOR (KS) INSPECTION [LF, L5]

Resistance Inspection

1. Remove the battery cover.  See: Starting and Charging/Battery/Service and Repair/Removal and Replacement

2. Disconnect the negative battery cable.

3. Disconnect the KS connector.

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

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If not as specified, replace the KS.

Specification

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Approx. 4.63-5.11 megohms [ECT: 25 °C {77 °F}]

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