Mazda 6 Service Manual: Dtc 21

Dtc 19

Dtc 22

Other materials:

Mazda 6 Service Manual: Starter inspection
On-vehicle Inspection 1. Verify that the battery is fully charged. 2. Crank the engine and verify that the starter rotates smoothly without any noise. If not, inspect the following. - Remove the starter and inspect the magnetic switch and the starter. - Inspect the related wiring har ...

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 ...