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Home >> Mazda >> 2007 >> CX-9 Touring, 3.5 Y, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (MZI-3.5) >> 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 LOCK.
  2. Disconnect the KS connector.
  3. Measure the resistance between the KS terminals.

    KS(RH): KS terminals A and B

    KS(LH): KS terminals C and D

    • If not as specified, replace the KS.
    • If the KS is normal, but PID value is out of specification, perform the "Circuit Open/Short Inspection".

    KS resistance 

    4.39-5.35 Mohms