
Diagnostic procedure

Dtc b1231
Dtc b1869, b1870Mazda 6 Service Manual: Front crossmember removal/installation
1. Remove the under cover.
2. Remove the splash shield.
3. Remove the front auto leveling sensor. (See FRONT AUTO LEVELING SENSOR
REMOVAL/INSTALLATION.)
4. Remove the transverse member. (See TRANSVERSE MEMBER
REMOVAL/INSTALLATION.)
5. Remove the steering gear and linkage, and pipe assembly i ...
Mazda 6 Service Manual: High-mount brake light removal/installation
4SD
In-vehicle-type
1. Disconnect the negative battery cable.
2. Remove in the order indicated in the table.
3. Install in the reverse order of removal.
Rear spoiler type
1. Disconnect the negative battery cable.
2. Remove the rear spoiler. (See REAR SPOILER REMOVAL/INSTALLATION)
3. Remo ...