
Diagnostic procedure

Dtc b1231
Dtc b1869, b1870Mazda 6 Service Manual: Fuel-filler lid and opener removal/installation
1. To remove the fuel-filler lid opener, remove the left side trunk side trim
(4SD) or trunk side lower trim (5HB).
2. To remove the fuel-filler lid opener cable, perform the following and turn
over the floor covering.
(1) Remove the driver-side front seat.
(2) Remove the driver-side fron ...
Mazda 6 Service Manual: Inspecting Coolant Level
WARNING
Do not use a match or live flame in the engine compartment. DO NOT ADD
COOLANT WHEN THE ENGINE IS HOT: A hot engine is dangerous. If the engine has
been running, parts of the engine compartment can become very hot. You could be
burned. Carefully inspect the engine coolant in the coola ...