
Diagnostic procedure


Dtc b2477
Dtc b2777, b2778, b2779, b2780Mazda 6 Service Manual: Rear map light removal/installation
1. Disconnect the negative battery cable.
2. Remove in the order indicated in the table.
3. Install in the reverse order of removal.
Rear Map Light Removal Note
1. Insert a tape-wrapped flathead screwdriver into the gap between the
headliner and the rear map light.
2. Push the hooks to re ...
Mazda 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 ...