Resistance Inspection

WARNING: This page is about a different car, the 2004 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.

Turn the ignition switch to LOCK.
Disconnect the knock sensor connector.
Measure the resistance between the knock sensor terminals A and B.
- If not as specified, replace the knock sensor.
- If the knock sensor is okay, but PID value or PCM terminal 57 and 66 voltage are out of specification, perform the "Circuit Open/Short Inspection."
  Specification
  
  Approx. 560 kilohms (20 °C {68 °F})