
Diagnostic procedure

Dtc b1231
Dtc b1869, b1870Mazda 6 Service Manual: Headlight leveling switch 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.
Headlight Leveling Switch Removal Note
1. Insert your hand from the lower side of the dashboard and squeeze the tabs
of the headlight leveling switch.
2. Pu ...
Mazda 6 Service Manual: Steering wheel and column inspection
Steering Wheel Play Inspection
With the wheels in the straight-ahead position, gently turn the steering
wheel to the left and right and verify that the play is within the
specification.
If the play exceeds the specification, either the steering joints are
worn or the backlash of the stee ...