
Diagnostic procedure

Dtc b1231
Dtc b1869, b1870Mazda 6 Service Manual: Camshaft position (cmp) sensor inspection
Caution
When foreign material such as an iron chip is on the CMP sensor,
it can cause abnormal output from the sensor because of flux turbulence and
adversely affect the engine control. Be sure there is no foreign material on
the CMP sensor when replacing.
Note
Perform the follow ...
Mazda 6 Service Manual: Manually Shifting Down
You can shift gears down by operating the selector lever or the steering shift
switches (some models).
M6 → M5 → M4 → M3 → M2→ M1
Using selector lever
To shift down to a lower gear, tap the selector lever forward (-) once.
Using steering shift switch (Some model ...