LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2012 >> 5 L4-2.5L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Knock Sensor >> Testing and Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Knock Sensor: Testing and Inspection





KNOCK SENSOR (KS) INSPECTION [MZR 2.5]

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





KS specification
- Approx. 4.87 megohms [normal temperature]