
Diagnostic procedure

Dtc b1231
Dtc b1869, b1870Mazda 6 Service Manual: Indication/Indicator Lights
These lights turn on or flash to notify the user of the system operation status
or a system malfunction.
*Some models.
*1 The light turns on when the ignition is switched on for an operation check,
and turns off a few seconds later or when the engine is started. If the light does
not t ...
Mazda 6 Service Manual: Rear drain hose removal
1. Remove the headliner.
2. Remove the trunk side trim. (4SD)
3. Remove the trunk side upper trim and trunk side trim. (5HB)
4. Disconnect the rear drain hose from the sunroof frame.
5. Remove the rear drain hose from the clips.
6. Pull the rear drain hose into the room side.
7. Remove the rea ...