
Diagnostic procedure

Dtc 12
Dtc 15Mazda 6 Service Manual: Ignition Switch
Push Button Start Positions
The system operates only when the key is within operational range.
Each time the push button start is pressed, the ignition switches in the order
of off, ACC, and ON. Pressing the push button start again from ON switches the ignition
off.
NOTE
The engine star ...
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 ...