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Home >> Mazda >> 2012 >> 3 L4-2.0L (MZR) >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Knock Sensor >> Testing and Inspection
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Knock Sensor: Testing and Inspection





KNOCK SENSOR (KS) INSPECTION [MZR 2.0, MZR 2.5]

Resistance Inspection

1. Remove the battery cover. Removal and Replacement

2. Disconnect the negative battery cable. Removal and Replacement

3. Disconnect the KS connector.

4. Measure the resistance between KS terminals A and B.






- If not as specified, replace the KS. Service and Repair

Specification
- Approx. 4.87 megohms [normal temperature]

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