
Diagnostic procedure

Dtc b1231
Dtc b1869, b1870Mazda 6 Service Manual: Sunshade
The sunshade can be opened and closed by hand.
The sunshade opens automatically when the moonroof is opened, but must be closed
by hand.
CAUTION
The sunshade does not tilt. To avoid damaging the sunshade, do not push
up on it.
Do not close the sunshade while the moonroof is opening. T ...
Mazda 6 Service Manual: Intermittent concern troubleshooting
Vibration Method
1. If malfunction occurs or becomes worse while driving on a rough road or
when engine is vibrating, perform the steps below.
Note
There are several reasons vehicle or engine vibration could cause
an electrical malfunction. Some of the things to check for are:
...