
Diagnostic procedure

Dtc b1231
Dtc b1869, b1870Mazda 6 Service Manual: No. 1 one or more on-board diagnostic functions inoperative
When performing an asterisked (*) troubleshooting inspection, shake the
wiring harness and connectors while doing the inspection to discover whether
poor contact points are the cause of any intermittent malfunctions. If there
is a problem, check to make sure connectors, terminals and wir ...
Mazda 6 Service Manual: How to use USB mode
This unit does not support a USB 3.0 device. In addition, other devices may not
be supported depending on the model or OS version.
USB devices formatted to FAT32 are supported (USB devices formatted to other
formats such as NTFS are not supported).
Playback
1. Select the icon on the home
...