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Home >> Mazda >> 2007 >> CX-7 Touring, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> Engine Control System (L3 With TC) >> Knock Sensor (KS) Inspection >> Resistance Inspection
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Resistance Inspection

  1. Turn the ignition switch to the LOCK position.
  2. Disconnect the KS connector.
  3. Measure the resistance between KS terminals A and B using a tester.
    • If not as specified, replace the KS. (See KNOCK SENSOR (KS) REMOVAL/INSTALLATION .)
    • If the KS is normal, but the PID value is out of specification, perform the "Circuit Open/Short Inspection".

      Specification 

      Approx. 4.87 megohms