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Home >> Mazda >> 2014 >> 3 SV, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Knock Sensor (KS) Inspection >> Resistance Inspection
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Resistance Inspection

  1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
  2. Remove the plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION .)
  3. Remove the intake manifold. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
  4. Disconnect the KS connector.
  5. Remove the KS. (See KNOCK SENSOR (KS) REMOVAL/INSTALLATION .)
  6. Measure the resistance between KS terminals A and B.
    • If not as specified, replace the KS. (See KNOCK SENSOR (KS) REMOVAL/INSTALLATION .)

      Specification 

      504-616 kilohms [10-30 °C {50-86 °F}] 

      Fig 1: Locating KS Connector Terminal
      G09796951Courtesy of MAZDA MOTORS CORP.
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