
Diagnostic procedure

Dtc b1231
Dtc b1869, b1870Mazda 6 Service Manual: Replacing Windshield Wiper Blades
When the wipers no longer clean well, the blades are probably worn or cracked.
Replace them.
CAUTION
To prevent damage to the wiper arms and other components, do not try to sweep
the wiper arm by hand.
NOTE
When raising both windshield wiper arms, raise the driver's side wiper arm
first. W ...
Mazda 6 Service Manual: Battery inspection
Battery
Inspect the battery in the following procedure.
Test load chart
Battery positive voltage with load
Back-up Current
1. Verify that the engine switch is at OFF and that the key has been removed.
2. Disconnect the negative battery cable.
3. Measure the back-up current between the n ...