LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2012 >> 6 s Touring Plus >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System [MZI 3.7 V6] >> Knock Sensor (KS) Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Knock Sensor (KS) Inspection

  1. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZI 3.7 V6] .)
  2. Disconnect the KS connector. (See KNOCK SENSOR (KS) REMOVAL/INSTALLATION .)
  3. Measure the resistance between the following terminals:
    Fig 1: Identifying Knock Sensor Connector Terminals
    G08140832
    • KS terminals A and B (KS (RH))
    • KS terminals C and D (KS (LH))

      KS resistance 

    • Approx. 4.87 megohms [ECT: 25 °C {77 °F}]