
Diagnostic procedure

Dtc 21
Dtc 31Mazda 6 Service Manual: Knock sensor inspection
Note
Perform the following test only when directed.
Resistance Inspection
1. Turn the ignition switch to LOCK.
2. Disconnect the knock sensor connector.
3. Measure the resistance between the knock sensor terminals A and B using an
ohmmeter.
If not as specified, replace the knock sens ...
Mazda 6 Service Manual: Steps for Determining the Correct Load Limit
Steps for Determining Correct Load Limit-
1. Locate the statement “The combined weight of occupants and cargo should never
exceed XXX kg or XXX lbs.” on your vehicle's placard.
2. Determine the combined weight of the driver and passengers that will be riding
in your vehicle.
3. Subtract t ...