
Diagnostic procedure

Dtc b2229, b2231, b2233, b2235
Dtc b2444, u2017Mazda 6 Service Manual: Center roof antenna removal/installation
1. Disconnect the negative battery cable.
2. Remove the headliner. (See HEADLINER REMOVAL/INSTALLATION.)
3. Remove in the order indicated in the table.
4. Install in the reverse order of removal.
5. After installation, verify that the rubber of the center roof antenna is
installed to the r ...
Mazda 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 ...