

Diagnostic procedure


Dtc p0121
Dtc p0123Mazda 6 Service Manual: Rear door speaker inspection
1. Inspect for resistance between the rear door speaker terminals using an
ohmmeter.
If not as specified, replace the rear door speaker.
2. To verify that the rear door speaker outputs sound, apply voltage to the
rear door speaker and release using a 1.5-V battery.
If not outputs ...
Mazda 6 Service Manual: Fuse Panel Description
Fuse block (Engine compartment)
*Some models.
Fuse block (Left side)
*Some models. ...